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Ceramic E-Mitters®
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(9 filters)Construction Styles
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Solid Curved Face
These ceramic e-mitters come in 5 sizes. They utilize a metal reflector to direct the heat to the application.
Solid Curved Face
These ceramic e-mitters come in 5 sizes. They utilize a metal reflector to direct the heat to the application.
Solid Flat Face
These ceramic e-mitters come in one size, 120 mm x 120 mm.
Insulated Flat Face
These ceramic e-mitters come in 4 sizes. They contain insulation that keeps the heat generated towards the application and reduces reliance on reflectors in the installation.
Insulated Flat Face
These ceramic e-mitters come in 4 sizes. They contain insulation that keeps the heat generated towards the application and reduces reliance on reflectors in the installation.
A special manufacturing process allows construction with thin walls that withstand larger temperature gradients. The embedded resistance coils heat up the low mass body at a faster rate, providing considerable energy savings.
The hollow inner area is filled with low-mass ceramic fiber to further insulate the contact region from the e-mitter surface, resulting in an improved operating life.
Linear Housings
Linear Housings can be designed with custom configuations using any combination of Ceramic E-mitter Series necessary. They are available in preconfigured sizes or Tempco can design a custom heater to suit your application.
Linear Housings
Linear Housings can be designed with custom configuations using any combination of Ceramic E-mitter Series necessary. They are available in preconfigured sizes or Tempco can design a custom heater to suit your application.
Arrays/Panels
Array Housing Assemblies can be designed with custom configuations using any combination of Ceramic E-mitter Series necessary. They are available in preconfigured sizes or Tempco can design a custom heater to suit your application.
Arrays/Panels
Array Housing Assemblies can be designed with custom configuations using any combination of Ceramic E-mitter Series necessary. They are available in preconfigured sizes or Tempco can design a custom heater to suit your application.
Edison Style Bulb
These hollow ceramic heaters have a unique thin wall construction and geometrical shape to facilitate fast heating and cooling rates. The resistance coil is embedded into the specially designed circular ceramic E-mitter surface, providing extremely uniform heat transmission with low element surface temperatures. Because of the convenient Edison Screw-In style termination, CRE & CRR E-Mitters are recognized as a tremendously versatile source for localized spot heating. They can be used virtually anywhere quickly and easily by simply installing the CRE E-Mitter into common porcelain/ceramic insulated bulb sockets—like any ordinary light bulb.
Edison Style Bulb
These hollow ceramic heaters have a unique thin wall construction and geometrical shape to facilitate fast heating and cooling rates. The resistance coil is embedded into the specially designed circular ceramic E-mitter surface, providing extremely uniform heat transmission with low element surface temperatures. Because of the convenient Edison Screw-In style termination, CRE & CRR E-Mitters are recognized as a tremendously versatile source for localized spot heating. They can be used virtually anywhere quickly and easily by simply installing the CRE E-Mitter into common porcelain/ceramic insulated bulb sockets—like any ordinary light bulb.
Series Size
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Series CRL
Design Features Size: 95 mm x 295 mm (3.72″ x 11.61″) Universal mount designed to be dropped into existing systems regardless of manufacturer. Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available. Long operating life—over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions. 2.5 to 6µm infrared radiation wavelength
Series CRL
Design Features Size: 95 mm x 295 mm (3.72″ x 11.61″) Universal mount designed to be dropped into existing systems regardless of manufacturer. Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available. Long operating life—over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions. 2.5 to 6µm infrared radiation wavelength
Series CRB
Design Features Size:60 mm x 245 mm (2.36″ x 9.65″) Universal mount designed to be dropped into existing systems regardless of manufacturer. Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available. Long operating life—over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions. 2.5 to 6µm infrared radiation wavelength
Series CRB
Design Features Size:60 mm x 245 mm (2.36″ x 9.65″) Universal mount designed to be dropped into existing systems regardless of manufacturer. Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available. Long operating life—over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions. 2.5 to 6µm infrared radiation wavelength
Series CRM
Design Features Size: 60 mm x 163 mm (2.36″ x 6.42″) Universal mount designed to be dropped into existing systems regardless of manufacturer. Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available. Long operating life—over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions. 2.5 to 6µm infrared radiation wavelength
Series CRM
Design Features Size: 60 mm x 163 mm (2.36″ x 6.42″) Universal mount designed to be dropped into existing systems regardless of manufacturer. Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available. Long operating life—over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions. 2.5 to 6µm infrared radiation wavelength
Series CRC
Design Features Size: 60 mm x 122 mm (2.36″ x 4.80″) Universal mount designed to be dropped into existing systems regardless of manufacturer. Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available. Long operating life—over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions. 2.5 to 6µm infrared radiation wavelength
Series CRC
Design Features Size: 60 mm x 122 mm (2.36″ x 4.80″) Universal mount designed to be dropped into existing systems regardless of manufacturer. Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available. Long operating life—over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions. 2.5 to 6µm infrared radiation wavelength
Series CRS
Design Features Size: 60 mm x 60 mm (2.36″ x 2.36″) Universal mount designed to be dropped into existing systems regardless of manufacturer. Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available. Long operating life—over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions. 2.5 to 6µm infrared radiation wavelength
Series CRS
Design Features Size: 60 mm x 60 mm (2.36″ x 2.36″) Universal mount designed to be dropped into existing systems regardless of manufacturer. Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available. Long operating life—over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions. 2.5 to 6µm infrared radiation wavelength
Series CRG
Design Features Size: 122 mm (4.80″) square Universal mount designed to be dropped into existing systems regardless of manufacturer. Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available. Long operating life—over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions. 2.5 to 6µm infrared radiation wavelength
Series CRG
Design Features Size: 122 mm (4.80″) square Universal mount designed to be dropped into existing systems regardless of manufacturer. Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available. Long operating life—over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions. 2.5 to 6µm infrared radiation wavelength
Series CRH
Design Features Size: 122 mm (4.80″) Square Universal mount designed to be dropped into existing systems regardless of manufacturer Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available Long operating life – over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions 2.5 to 6µm infrared radiation wavelength
Series CRH
Design Features Size: 122 mm (4.80″) Square Universal mount designed to be dropped into existing systems regardless of manufacturer Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available Long operating life – over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions 2.5 to 6µm infrared radiation wavelength
Series CRD
Design Features Size: 122 mm (4.80″) Square Long neck series allows wiring to be better insulated from the heat of the face of the E-mitter. Universal mount designed to be dropped into existing systems regardless of manufacturer Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available Long operating life – over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions 2.5 to 6µm infrared radiation wavelength
Series CRD
Design Features Size: 122 mm (4.80″) Square Long neck series allows wiring to be better insulated from the heat of the face of the E-mitter. Universal mount designed to be dropped into existing systems regardless of manufacturer Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available Long operating life – over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions 2.5 to 6µm infrared radiation wavelength
Series CRN
Design Features Size: 60 mm x 245 mm (2.36″ x 9.65″) Universal mount designed to be dropped into existing systems regardless of manufacturer Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available Long operating life – over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions 2.5 to 6µm infrared radiation wavelength
Series CRN
Design Features Size: 60 mm x 245 mm (2.36″ x 9.65″) Universal mount designed to be dropped into existing systems regardless of manufacturer Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available Long operating life – over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions 2.5 to 6µm infrared radiation wavelength
Series CRZ
Design Features Size: 60 mm x 122 mm (2.36″ x 4.80″) Universal mount designed to be dropped into existing systems regardless of manufacturer Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available Long operating life – over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions 2.5 to 6µm infrared radiation wavelength
Series CRZ
Design Features Size: 60 mm x 122 mm (2.36″ x 4.80″) Universal mount designed to be dropped into existing systems regardless of manufacturer Optional color changing material to indicate if E-mitter is on or off. Standard stocked voltage: 120 or 220/240V as noted; other voltages are available Long operating life – over 10,000-plus hours of continuous operation under normal conditions Performance is unaffected by vibration or adverse atmospheric conditions 2.5 to 6µm infrared radiation wavelength
Series CRA
Design Features Designed for use with CRB, CRC, CRN or CRZ E-Mitters Lightweight extruded aluminum housing with 5/16-18 mounting bolts for use up to 250°C (482°F) extrusion temperature E-Mitters are easily replaced by removing the top cover Internal mounting hole pattern simplifies mixing and matching E-mitter sizes and ratings Space between reflector and housing can be used with any manufactruer’s standard 60 x 245 mm or 60 x 122 mm heaters Wiring entrance 7.8″ diameter at both ends, for 1/2″ trade size electrical fittings
Series CRA
Design Features Designed for use with CRB, CRC, CRN or CRZ E-Mitters Lightweight extruded aluminum housing with 5/16-18 mounting bolts for use up to 250°C (482°F) extrusion temperature E-Mitters are easily replaced by removing the top cover Internal mounting hole pattern simplifies mixing and matching E-mitter sizes and ratings Space between reflector and housing can be used with any manufactruer’s standard 60 x 245 mm or 60 x 122 mm heaters Wiring entrance 7.8″ diameter at both ends, for 1/2″ trade size electrical fittings
Multiple Pre-wired Options include (specify below under Electrical Terminations):
- SS Armor Cable
- Galvanzied Armor Cable
- SS Wire Braid
- Fiberglass leads
- SJO Cable
Series CRP
Design Features Standard colors are metamorphing yellow (cold) to orange (hot), and traditional white. Optional colors are metamorphing rose (cold) to grey (hot) and black. Dark red face glass is standard. Glass provides for ease of cleaning. Low profile 20 ga. aluminized steel or stainless steel housing. Standard stocked voltage: 120, 220-240V or 480V as noted; other voltages are available. Low noise type K thermocouple mounted internally in center heater. Optional type J thermocouple is also available. Watt density range: from 11w/in2 to 35w/in2 Standard operating temp range: 750°F to 1300°F Best when used at radiation distances of 4-10″ from application. Performance is unaffected by vibration or adverse atmospheric conditions. 3 to 6µm infrared radiation wavelength. Made to order.
Series CRP
Design Features Standard colors are metamorphing yellow (cold) to orange (hot), and traditional white. Optional colors are metamorphing rose (cold) to grey (hot) and black. Dark red face glass is standard. Glass provides for ease of cleaning. Low profile 20 ga. aluminized steel or stainless steel housing. Standard stocked voltage: 120, 220-240V or 480V as noted; other voltages are available. Low noise type K thermocouple mounted internally in center heater. Optional type J thermocouple is also available. Watt density range: from 11w/in2 to 35w/in2 Standard operating temp range: 750°F to 1300°F Best when used at radiation distances of 4-10″ from application. Performance is unaffected by vibration or adverse atmospheric conditions. 3 to 6µm infrared radiation wavelength. Made to order.
Series ARA
Design Features Custom Engineered/Manufactured Lightweight extruded aluminum outer housing Each heater’s power leads are connected to an individual ceramic terminal block NCC or Nickel wire with heat resistant insulation is used for wiring between terminal blocks Zones with different radiant heat levels can be achieved by using different wattage heaters (each zone would have a heater with built-in thermocouple for temperature control) Shipped fully assembled Optional factory wiring and power control panels Optional ceramic fiber insulation in wiring space Optional entrances in rear cover or sides to customer specs
Series ARA
Design Features Custom Engineered/Manufactured Lightweight extruded aluminum outer housing Each heater’s power leads are connected to an individual ceramic terminal block NCC or Nickel wire with heat resistant insulation is used for wiring between terminal blocks Zones with different radiant heat levels can be achieved by using different wattage heaters (each zone would have a heater with built-in thermocouple for temperature control) Shipped fully assembled Optional factory wiring and power control panels Optional ceramic fiber insulation in wiring space Optional entrances in rear cover or sides to customer specs
Series CRE
Design Features Bulb Shape construction Provides safe, clean, radiant heat anywhere Easy installation Not affected by vibration— high mechanical strength Good resistance to atmospheric contamination Does not generate visible light – produces only heat Reversible color change feature 3.5 to 7µm infrared radiation peak wavelength
Series CRE
Design Features Bulb Shape construction Provides safe, clean, radiant heat anywhere Easy installation Not affected by vibration— high mechanical strength Good resistance to atmospheric contamination Does not generate visible light – produces only heat Reversible color change feature 3.5 to 7µm infrared radiation peak wavelength
Series CRR
Design Features Flat Face construction Provides safe, clean, radiant heat anywhere Easy installation Not affected by vibration— high mechanical strength Good resistance to atmospheric contamination Does not generate visible light – produces only heat Reversible color change feature 3.5 to 7µm infrared radiation peak wavelength
Series CRR
Design Features Flat Face construction Provides safe, clean, radiant heat anywhere Easy installation Not affected by vibration— high mechanical strength Good resistance to atmospheric contamination Does not generate visible light – produces only heat Reversible color change feature 3.5 to 7µm infrared radiation peak wavelength
Series CRT
Design Features Tube Shape Construction Provides safe, clean, radiant heat anywhere Easy installation Not affected by vibration— high mechanical strength Good resistance to atmospheric contamination Does not generate visible light – produces only heat Reversible color change feature 3.5 to 7µm infrared radiation peak wavelength
Series CRT
Design Features Tube Shape Construction Provides safe, clean, radiant heat anywhere Easy installation Not affected by vibration— high mechanical strength Good resistance to atmospheric contamination Does not generate visible light – produces only heat Reversible color change feature 3.5 to 7µm infrared radiation peak wavelength
Request Other Series
If your filter selections do not return your desired results from our standard configurations, please continue to select your Specifications. When you are finished, save your selections in the Wish List (using the button at the right of this page) and follow the steps to submit them to Tempco.
Request Other Series
If your filter selections do not return your desired results from our standard configurations, please continue to select your Specifications. When you are finished, save your selections in the Wish List (using the button at the right of this page) and follow the steps to submit them to Tempco.
Heater Colors
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Yellow
Optional metamorphing color change from Yellow (cold) to Orange (hot)
Electrical Terminations
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Hi-Temp Ring Terminal
Nickel Plated Steel Uninsulated Terminals
| Terminal Type | Description | Usage | Part Number |
| Ring | #10 stud, 22-18 ga. wire | Heater leads | TER-110-117 |
| #10 stud, 16-14 ga. wire | Misc. | TER-110-106 | |
| #10 stud, 16-14 ga. wire | Misc. (Monel material) | TER-110-104 | |
| #10 stud, 12-10 ga. wire | Line Wiring of Assy. | TER-110-111 | |
| #8 stud, 22-18 ga. wire | Heater leads | TER-109-110* | |
| #8 stud, 16-14 ga. wire | Heater leads | TER-109-104 | |
| #8 stud, 12-10 ga. wire | Line wiring of Assy. | TER-109-106 |
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Hi-Temp Spade Terminal
Nickel Plated Steel Uninsulated Terminals
| Terminal Type | Description | Usage | Part Number |
| Spade | #10 stud, 22-18 ga. wire | Misc. | TER-115-111 |
| #8-10 stud, 22-18 ga. wire | Heater leads (Standard) | TER-115-112* | |
| #8 stud, 16-14 ga. wire | Internal CRA & ARA wiring | TER-115-113* |
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Hi-Temp Straight Terminal
Nickel Plated Steel Uninsulated Terminals
| Terminal Type | Description | Usage | Part Number |
| Straight | 1/4″ long Ni 200 Barrel Crimp | T/C or Heater leads | CON-101-101 |
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Stainless Steel Armor Cable
18″ armor cable over 24″ leads ; if longer cable is required, specify when ordering.
Stainless Steel Armor Cable
18″ armor cable over 24″ leads ; if longer cable is required, specify when ordering.
Galvanzied Armor Cable
18″ armor cable over 24″ leads; if longer cable is required, specify when ordering.
Galvanzied Armor Cable
18″ armor cable over 24″ leads; if longer cable is required, specify when ordering.
Stainless Steel Wire Braid
18″ wire braid over 24″ leads; if longer cable is required, specify when ordering.
Stainless Steel Wire Braid
18″ wire braid over 24″ leads; if longer cable is required, specify when ordering.
Fiberglass Leads
450°C rating — 12″ long plain leads; if longer cable is required, specify when ordering.
Fiberglass Leads
450°C rating — 12″ long plain leads; if longer cable is required, specify when ordering.
SJO Cable
Includes ground wire 16 ga. cable (Up to 15 Amps) 14 ga. cable (Up to 22 Amps Max.) 12 ga. cable (Up to 28 Amps Max.) Max. terminal box temperature 194°F (90°C) If longer cable is required, specify when ordering.
SJO Cable
Includes ground wire 16 ga. cable (Up to 15 Amps) 14 ga. cable (Up to 22 Amps Max.) 12 ga. cable (Up to 28 Amps Max.) Max. terminal box temperature 194°F (90°C) If longer cable is required, specify when ordering.
Factory prewired internal terminal box connections
Internal connections made between heaters in the factory. Customer supplied power is connected to a single terminal block.
Factory prewired internal terminal box connections
Internal connections made between heaters in the factory. Customer supplied power is connected to a single terminal block.
Edison Screw-In Socket
Heater is terminated with E26 Standard Base that fits standard screw-in base Part Number: CRK00016
Edison Screw-In Socket
Heater is terminated with E26 Standard Base that fits standard screw-in base Part Number: CRK00016
Request Other Electrical Termination
If your filter selections do not return your desired results from our standard configurations, please continue to Refine Results for your specifications. When you are finished, save your selections with the Save Results for Quote button (at the right of this page) and choose Request for Quote for further assistance.
Request Other Electrical Termination
If your filter selections do not return your desired results from our standard configurations, please continue to Refine Results for your specifications. When you are finished, save your selections with the Save Results for Quote button (at the right of this page) and choose Request for Quote for further assistance.
Ceramic Terminal Blocks
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Standard 2-Pole Ceramic Terminal Block for Internal Wiring
Maximum Voltage: 600 VAC,
Maximum Current: 20 Amp
Maximum Temperature: 450°C/842°F
Wire Gauge: 20 to 12 ga.
Hardware: Stainless Steel
Terminals: #8 Screw
Body Material: Steatite
Part Number: EHD-108-101
Standard 2-Pole Ceramic Terminal Block for Internal Wiring
Maximum Voltage: 600 VAC,
Maximum Current: 20 Amp
Maximum Temperature: 450°C/842°F
Wire Gauge: 20 to 12 ga.
Hardware: Stainless Steel
Terminals: #8 Screw
Body Material: Steatite
Part Number: EHD-108-101
Mounting Hardware Supplied
Part Number: SCW-102-109
#8 × 7/8 Pan Head Sheet Metal Screw
Part Number: WAS-119-106
#8 External Tooth Lockwasher
Standard 3-Pole Ceramic Terminal Block for Internal Wiring
Maximum Voltage: 600 VAC,
Maximum Current: 20 Amp
Maximum Temperature: 450°C/842°F
Wire Gauge: 20 to 12 ga.
Hardware: Stainless Steel
Terminals: #8 Screw
Body Material: Steatite
Part Number: EHD-108-121
Standard 3-Pole Ceramic Terminal Block for Internal Wiring
Maximum Voltage: 600 VAC,
Maximum Current: 20 Amp
Maximum Temperature: 450°C/842°F
Wire Gauge: 20 to 12 ga.
Hardware: Stainless Steel
Terminals: #8 Screw
Body Material: Steatite
Part Number: EHD-108-121
Mounting Hardware Supplied per Mounting Hole
Part Number: SCW-102-109
#8 × 7/8 Pan Head Sheet Metal Screws
Part Number: WAS-119-106
#8 External Tooth Lockwashers
1-Pole Ceramic Terminal Block (Enclosed Terminals)
Maximum Voltage: 380 VAC,
Maximum Current: 30 Amp
Maximum Temperature: 240°C/464°F
Wire Gauge: 26 to 12 ga. stranded, 26-14 solid
Screw: M3, zinc plated steel
Terminal Body: Nickel plated brass
Body Material: Porcelain
Agency Approvals: CE & VDE
Part Number: EHD-108-116
1-Pole Ceramic Terminal Block (Enclosed Terminals)
Maximum Voltage: 380 VAC,
Maximum Current: 30 Amp
Maximum Temperature: 240°C/464°F
Wire Gauge: 26 to 12 ga. stranded, 26-14 solid
Screw: M3, zinc plated steel
Terminal Body: Nickel plated brass
Body Material: Porcelain
Agency Approvals: CE & VDE
Part Number: EHD-108-116
2-Pole Ceramic Terminal Block (Enclosed Terminals)
Maximum Voltage: 380 VAC,
Maximum Current: 30 Amp
Maximum Temperature: 240°C/464°F
Wire Gauge: 26 to 12 ga. stranded, 26-14 solid
Screw: M3, zinc plated steel
Terminal Body: Nickel plated brass
Body Material: Porcelain
Agency Approvals: CE & VDE
Part Number: EHD-108-117
2-Pole Ceramic Terminal Block (Enclosed Terminals)
Maximum Voltage: 380 VAC,
Maximum Current: 30 Amp
Maximum Temperature: 240°C/464°F
Wire Gauge: 26 to 12 ga. stranded, 26-14 solid
Screw: M3, zinc plated steel
Terminal Body: Nickel plated brass
Body Material: Porcelain
Agency Approvals: CE & VDE
Part Number: EHD-108-117
3-Pole Ceramic Terminal Block (Enclosed Terminals)
Maximum Voltage: 380 VAC,
Maximum Current: 30 Amp
Maximum Temperature: 240°C/464°F
Wire Gauge: 26 to 12 ga. stranded, 26-14 solid
Screw: M3, zinc plated steel
Terminal Body: Nickel plated brass
Body Material: Porcelain
Agency Approvals: CE & VDE
Part Number: EHD-108-118
3-Pole Ceramic Terminal Block (Enclosed Terminals)
Maximum Voltage: 380 VAC,
Maximum Current: 30 Amp
Maximum Temperature: 240°C/464°F
Wire Gauge: 26 to 12 ga. stranded, 26-14 solid
Screw: M3, zinc plated steel
Terminal Body: Nickel plated brass
Body Material: Porcelain
Agency Approvals: CE & VDE
Part Number: EHD-108-118
Heavy Duty 2-Pole Ceramic Terminal Block (Enclosed Terminals)
Maximum Voltage: 600 VAC,
Maximum Current: 50 Amp
Maximum Temperature: 200°C/392°F
Wire Gauge: 14 to 8 ga.
Screw: M4, zinc plated steel
Terminal Body: Nickel plated brass
Body Material: Porcelain
Agency Approval: UL (File # E69841)
Stock Number: EHD-108-114
MFR Part Number: 4010-B
Heavy Duty 2-Pole Ceramic Terminal Block (Enclosed Terminals)
Maximum Voltage: 600 VAC,
Maximum Current: 50 Amp
Maximum Temperature: 200°C/392°F
Wire Gauge: 14 to 8 ga.
Screw: M4, zinc plated steel
Terminal Body: Nickel plated brass
Body Material: Porcelain
Agency Approval: UL (File # E69841)
Stock Number: EHD-108-114
MFR Part Number: 4010-B
Heavy Duty 3-Pole Ceramic Terminal Block (Enclosed Terminals)
Maximum Voltage: 600 VAC,
Maximum Current: 50 Amp
Maximum Temperature: 200°C/392°F
Wire Gauge: 14 to 8 ga.
Screw: M4, zinc plated steel
Terminal Body: Nickel plated brass
Body Material: Porcelain
Agency Approval: UL (File # E69841)
Stock Number: EHD-108-115
MFR Part Number: 4011-B
Heavy Duty 3-Pole Ceramic Terminal Block (Enclosed Terminals)
Maximum Voltage: 600 VAC,
Maximum Current: 50 Amp
Maximum Temperature: 200°C/392°F
Wire Gauge: 14 to 8 ga.
Screw: M4, zinc plated steel
Terminal Body: Nickel plated brass
Body Material: Porcelain
Agency Approval: UL (File # E69841)
Stock Number: EHD-108-115
MFR Part Number: 4011-B
Heavy Duty 1-Pole Ceramic Line Wiring Block (Exposed Terminals)
Maximum Voltage: 500 VAC,
Maximum Current: 44 Amp @ 104°F ambient
Maximum Temperature: 240°C/464°F
Wire Gauge: 18 to 8 ga.
Terminal Screw: M4, zinc-plated steel
Body Material: Steatite
Agency Approvals: None
Part Number: EHD-108-106
Heavy Duty 1-Pole Ceramic Line Wiring Block (Exposed Terminals)
Maximum Voltage: 500 VAC,
Maximum Current: 44 Amp @ 104°F ambient
Maximum Temperature: 240°C/464°F
Wire Gauge: 18 to 8 ga.
Terminal Screw: M4, zinc-plated steel
Body Material: Steatite
Agency Approvals: None
Part Number: EHD-108-106
Heavy Duty 2-Pole Ceramic Line Wiring Block (Exposed Terminals)
Maximum Voltage: 500 VAC,
Maximum Current: 44 Amp @ 104°F ambient
Maximum Temperature: 240°C/464°F
Wire Gauge: 18 to 8 ga.
Terminal Screw: M4, zinc-plated steel
Body Material: Steatite
Agency Approvals: None
Part Number: EHD-108-107
Heavy Duty 2-Pole Ceramic Line Wiring Block (Exposed Terminals)
Maximum Voltage: 500 VAC,
Maximum Current: 44 Amp @ 104°F ambient
Maximum Temperature: 240°C/464°F
Wire Gauge: 18 to 8 ga.
Terminal Screw: M4, zinc-plated steel
Body Material: Steatite
Agency Approvals: None
Part Number: EHD-108-107
Heavy Duty 3-Pole Ceramic Line Wiring Block (Exposed Terminals)
Maximum Voltage: 500 VAC,
Maximum Current: 44 Amp @ 104°F ambient
Maximum Temperature: 240°C/464°F
Wire Gauge: 18 to 8 ga.
Terminal Screw: M4, zinc-plated steel
Body Material: Steatite
Agency Approvals: None
Part Number: EHD-108-108
Heavy Duty 3-Pole Ceramic Line Wiring Block (Exposed Terminals)
Maximum Voltage: 500 VAC,
Maximum Current: 44 Amp @ 104°F ambient
Maximum Temperature: 240°C/464°F
Wire Gauge: 18 to 8 ga.
Terminal Screw: M4, zinc-plated steel
Body Material: Steatite
Agency Approvals: None
Part Number: EHD-108-108
Heavy Duty 4-Pole Ceramic Line Wiring Block (Exposed Terminals)
Maximum Voltage: 500 VAC,
Maximum Current: 44 Amp @ 104°F ambient
Maximum Temperature: 240°C/464°F
Wire Gauge: 18 to 8 ga.
Terminal Screw: M4, zinc-plated steel
Body Material: Steatite
Agency Approvals: None
Part Number: EHD-108-109
Heavy Duty 4-Pole Ceramic Line Wiring Block (Exposed Terminals)
Maximum Voltage: 500 VAC,
Maximum Current: 44 Amp @ 104°F ambient
Maximum Temperature: 240°C/464°F
Wire Gauge: 18 to 8 ga.
Terminal Screw: M4, zinc-plated steel
Body Material: Steatite
Agency Approvals: None
Part Number: EHD-108-109
Heavy Duty 6-Pole Ceramic Line Wiring Block (Exposed Terminals)
Maximum Voltage: 500 VAC,
Maximum Current: 44 Amp @ 104°F ambient
Maximum Temperature: 240°C/464°F
Wire Gauge: 18 to 8 ga.
Terminal Screw: M4, zinc-plated steel
Body Material: Steatite
Agency Approvals: None
Part Number: EHD-108-105
Heavy Duty 6-Pole Ceramic Line Wiring Block (Exposed Terminals)
Maximum Voltage: 500 VAC,
Maximum Current: 44 Amp @ 104°F ambient
Maximum Temperature: 240°C/464°F
Wire Gauge: 18 to 8 ga.
Terminal Screw: M4, zinc-plated steel
Body Material: Steatite
Agency Approvals: None
Part Number: EHD-108-105
Request Other Ceramic Terminal Blocks
If your filter selections do not return your desired results from our standard configurations, please continue to select your Specifications. When you are finished, save your selections in the Wish List (using the button at the right of this page) and follow the steps to submit them to Tempco.
Request Other Ceramic Terminal Blocks
If your filter selections do not return your desired results from our standard configurations, please continue to select your Specifications. When you are finished, save your selections in the Wish List (using the button at the right of this page) and follow the steps to submit them to Tempco.
Wire Nut Connectors
No options available for this section based on your selections
Ceramic Wire Nut Connectors
Material: Porcelain
Maximum Temperature Rating: 1200°F (645°C)
Maximum Voltage: 300V
Agency Approvals: UL (UL File # E9809) & CSA for EHD-114-102 EHD-114-103 EHD-114-104 For Stock Numbers see Learn More.
Ceramic Wire Nut Connectors
Material: Porcelain
Maximum Temperature Rating: 1200°F (645°C)
Maximum Voltage: 300V
Agency Approvals: UL (UL File # E9809) & CSA for EHD-114-102 EHD-114-103 EHD-114-104 For Stock Numbers see Learn More.
| Stock Number | MFR Part Number | Wire Range | Skirt Length | Opening ID | Outer Diameter | |
|---|---|---|---|---|---|---|
| (Solid or Stranded Wire) | ||||||
| EHD-114-102 | 10-401 | 2#22 | 1#18 + 1#16 | .687″ | .250″ | .406″ |
| EHD-114-103 | 10-405 | 2#20 | 2#16 | .750″ | .312″ | .484″ |
| EHD-114-104 | 10-407 | 2#18 | 2#14 | .843″ | .406″ | .531″ |
| EHD-114-105 | – | 1#16 + 1#14 | 1#14 + 2#12 | 1.00″ | .468″ | .703″ |
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Termination Accessories
No options available for this section based on your selections
Ceramic Beads
Used to insulate bare lead wire at extremely high temperatures.
Ceramic Beads
Used to insulate bare lead wire at extremely high temperatures.
| O.D. | I.D. | Part | |||
| (in) | (in) | Length | Packaging | Sold By | Number |
| 0.11 | 0.056 | 0.11 | 67 beads/6″ sleeve | Sleeve | CER-103-101 |
| 0.17 | 0.068 | 0.17 | 86 beads/12″ sleeve | Sleeve | CER-103-102 |
| 0.2 | 0.092 | 0.2 | 36 beads/6″ sleeve | Sleeve | CER-103-103 |
| 0.2 | 0.092 | 0.2 | bulk—loose | Piece | CER-103-104 |
| 0.33 | 0.124 | 0.33 | bulk—loose | Piece | CER-103-105 |
| 0.203 | 0.085 | 0.203 | bulk—loose | Piece | CER-103-108 |
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Plug Types
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Heavy Duty Quick Disconnect Plugs
Tempco offers 9 Heavy Duty Quick Disconnect Plugs and Matching Connecters. (Connectors are cable mount only.)
Heavy Duty Quick Disconnect Plugs
Tempco offers 9 Heavy Duty Quick Disconnect Plugs and Matching Connecters. (Connectors are cable mount only.)
| Reference | NEMA P or R |
Amps | Volts | Plug Part No. |
Connectors (Female) Part Number |
|---|---|---|---|---|---|
| P1 twist lock | L1-15 | 15A | 125V | EHD-102-102 | EHD-103-101 |
| P2 twist lock | n/a | 10A | 250V | EHD-102-107 | EHD-103-103 |
| 15A | 125V | ||||
| P3 straight | 15-May | 15A | 125V | EHD-102-103 | EHD-103-102 |
| P4 twist lock | L5-15 | 15A | 125V | EHD-102-113 | EHD-103-104 |
| P5 twist lock | L6-15 | 15A | 250V | EHD-102-121 | EHD-103-107 |
| P6 twist lock | L6-20 | 20A | 250V | EHD-102-122 | EHD-103-150 |
| P7 twist lock | L6-30 | 30A | 250V | EHD-102-126 | EHD-103-125 |
| P8 straight | 15-Jun | 15 | 250V | EHD-102-114 | EHD-103-139 |
| P9 twist lock | L2-20 | 20A | 250V | EHD-102-104 | N/A |
| P10 straight | 15-Jan | 15 | 125V | EHD-102-101 | N/A |
| P11 straight | 20-May | 20 | 125V | EHD-102-140 | N/A |
| P12 straight | L8-20 | 20 | 480V | EHD-102-123 | EHD-103-106 |
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Additional Options
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CRK Housings
Standard CRK Linear Housings CRK housings include the following components: housing body, end plates, 5/16-18 mounting bolts, cover and ground lug.
CRK Housings
Standard CRK Linear Housings CRK housings include the following components: housing body, end plates, 5/16-18 mounting bolts, cover and ground lug.
E-Mitters are easily replaced by removing the top cover. Wiring entrance side covers are not affected. The heater lead wires are insulated with ceramic beads and connected to ceramic terminal blocks. Heaters can be wired to function individually or grouped into heating zones.
Design Features
- Designed for use with E-Mitters CRB, CRC, CRN and CRZ
- Lightweight extruded aluminum housing with 5/16-18 mounting bolts for use up to 250°C (482°F) extrusion temperature
- E-Mitters are easily replaced by removing the top cover
- Internal mounting hole pattern simplifies mixing and matching E-Mitter sizes and ratings
- Space between reflector and housing wall offers a good thermal barrier to protect the wiring area
- This CRA structural housing can be used with any manufacturer’s standard 60 × 245 mm -or- 60 × 122 mm heaters
- Wiring entrance 7/8″ Diameter at both ends, for 1/2″ trade size electrical fittings
| Nominal Housing Length |
“A” Dim. | Housing | Examples of Possible E-Mitter Configurations | Maximum | |
| in | in | mm | Part Number | Power | |
| 5 | 5.19 | 131.8 | CRK00024 | 1 CRC or 1 CRZ | .5KW |
| 10 | 10.13 | 257.2 | CRK00001 | 1 CRB or 1 CRN, 2 CRCs or 2 CRZs | 1KW |
| 15 | 15.06 | 382.6 | CRK00023 | 3 CRCs or 3 CRZs | 1.5KW |
| (1 CRB and 1 CRC) or (1 CRN and 1 CRZ) | |||||
| 20 | 20 | 508 | CRK00002 | 2 CRBs or 2 CRNs, 4 CRCs or 4 CRZs | 2KW |
| (1 CRB and 2 CRCs) or (1 CRN and 2 CRZs) | |||||
| 25 | 24.94 | 633.4 | CRK00022 | 5 CRCs or 5 CRZs | 2.5KW |
| a combination of (CRBs and CRCs) or (CRNs and CRZs) | |||||
| 30 | 29.88 | 758.8 | CRK00003 | 3 CRBs or 3 CRNs, 6 CRCs or 6 CRZs | 3KW |
| a combination of (CRBs and CRCs) or (CRNs and CRZs) | |||||
| 35 | 34.81 | 884.2 | CRK00019 | 7 CRCs or 7 CRZs | 3.5KW |
| a combination of (CRBs and CRCs) or (CRNs and CRZs) | |||||
| 40 | 39.75 | 1009.7 | CRK00004 | 4 CRBs or 4 CRNs, 8 CRCs or 8 CRZs | 4KW |
| a combination of (CRBs and CRCs) or (CRNs and CRZs) | |||||
| 50 | 49.63 | 1260.5 | CRK00021 | 5 CRBs or 5 CRNs, 10 CRCs or 10 CRZs | 5KW |
| a combination of (CRBs and CRCs) or (CRNs and CRZs) | |||||
| 60 | 59.5 | 1511.3 | CRK00027 | 6 CRBs or 6 CRNs, 12 CRCs or 12 CRZs | 6KW |
| a combination of (CRBs and CRCs) or (CRNs and CRZs) | |||||
| 70 | 69.38 | 1762.1 | CRK00029 | 7 CRBs or 7 CRNs, 14 CRCs or 14 CRZs | 7KW |
| a combination of (CRBs and CRCs) or (CRNs and CRZs) | |||||
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Built-In Type K Thermocouple Standard
Specify Type K thermocouple as needed.
Built-In Type J Thermocouple Optional
Specify Type J thermocouple as needed.
Low Noise Thermocouple Optional
For those applications where emf generated noise is a problem for the instrument, Tempco offers a low noise thermocouple solution. The low noise thermocouple option is designed to minimize the induced AC noise by using stainless steel overbraid on the high temperature fiberglass color- coded 24 GA solid leads as a ground shield and a ceramic insulator at the thermocouple junction.
Low Noise Thermocouple Optional
For those applications where emf generated noise is a problem for the instrument, Tempco offers a low noise thermocouple solution. The low noise thermocouple option is designed to minimize the induced AC noise by using stainless steel overbraid on the high temperature fiberglass color- coded 24 GA solid leads as a ground shield and a ceramic insulator at the thermocouple junction.
Reflectors for Ceramic E-Mitters
Designed to withstand bending and heat distortion. Made from highly polished chrome steel or optional aluminized steel for extreme temperatures and harsh environments. Will withstand high operating temperatures. Available in three standard sizes; includes standoffs and hardware. Easy installation into CRA linear structural housing assemblies (except CRK00032).
Reflectors for Ceramic E-Mitters
Designed to withstand bending and heat distortion. Made from highly polished chrome steel or optional aluminized steel for extreme temperatures and harsh environments. Will withstand high operating temperatures. Available in three standard sizes; includes standoffs and hardware. Easy installation into CRA linear structural housing assemblies (except CRK00032).
Stranded Lead Wire
Stock High Temperature Stranded Lead Wire The following insulated lead wires are available for internal bussing and the line input wiring of CRA Linear Housing Assemblies and AR_ Radiant Panels.
Stranded Lead Wire
Stock High Temperature Stranded Lead Wire The following insulated lead wires are available for internal bussing and the line input wiring of CRA Linear Housing Assemblies and AR_ Radiant Panels.
| Temperature | Size & | Maximum | 100 Foot | 250 Foot | 500 Foot | ||
| Rating | Conductor | Amperage | Spool | Spool | Spool | Usage | |
| 450°C, 600V | 18 ga. NCC | 12.3 @ 300°C (572°F) | LDWR-1088 | LDWR-1098 | LDWR-1142 | Heater lead modifications | |
| 450°C, 600V | 16 ga. NCC | 18.0 @ 300°C (572°F) | LDWR-1089 | LDWR-1099 | LDWR-1143 | Miscellaneous | |
| 450°C, 600V | 14 ga. NCC | 21.2 @ 300°C (572°F) | LDWR-1090 | LDWR-1100 | LDWR-1144 | Standard for internal wiring of factory wired units | |
| 450°C, 600V | 12 ga. NCC | 26.2 @ 300°C (572°F) | LDWR-1091 | LDWR-1101 | LDWR-1145 | Panel zones & line input | |
| 450°C, 600V | 10 ga. NCC | 35.6 @ 300°C (572°F) | LDWR-1092 | LDWR-1102 | LDWR-1146 | Panel zones & line input | |
| 250°C, 600V | 18 ga. NPC | 9.0 @ 200°C (392°F) | LDWR-1093 | LDWR-1103 | LDWR-1147 | Heater lead modifications | |
| 250°C, 600V | 16 ga. NPC | 14.2 @ 200°C (392°F) | LDWR-1094 | LDWR-1104 | LDWR-1148 | Miscellaneous | |
| 250°C, 600V | 14 ga. NPC | 21.1 @ 200°C (392°F) | LDWR-1095 | LDWR-1105 | LDWR-1149 | Internal panel wiring | |
| 250°C, 600V | 12 ga. NPC | 29.5 @ 200°C (392°F) | LDWR-1096 | LDWR-1106 | LDWR-1150 | Panel zones & line input | |
| 250°C, 600V | 10 ga. NPC | 37.6 @ 200°C (392°F) | LDWR-1097 | LDWR-1107 | LDWR-1151 | Panel zones & line input | |
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Thermocouple Wire
The following insulated thermocouple wires are available for internal bussing and wiring of CRA Linear Housing Assemblies and AR_ Radiant Panels to external control systems. These duplex thermocouple wires have color coded fiberglass insulation over each lead within an overall fiberglass insulation jacket.
Thermocouple Wire
The following insulated thermocouple wires are available for internal bussing and wiring of CRA Linear Housing Assemblies and AR_ Radiant Panels to external control systems. These duplex thermocouple wires have color coded fiberglass insulation over each lead within an overall fiberglass insulation jacket.
NCC = Nickel Clad Copper, 27% Nickel by weight. NPC = Nickel Plated Copper, 2% Nickel by weight.
The 450°C (842°F) rated wires amperage is derated over 300°C (572°F). Maximum ambient is 400°C (752°F).
The 250°C (482°F) rated wires amperage is derated over 200°C (392°F). Maximum ambient is 225°C (437°F).
See Wiring Accessories for additional specifications.
See amperage tables in Engineering Data for more details on current carrying capacity of Tempco’s high temperature lead wire.
| Type | Wire Style | 100 Foot Spool | 250 Foot Spool |
| K | 20 ga. solid | TCWR-1025 | TCWR-1029 |
| K | 20 ga. stranded | TCWR-1034 | TCWR-1036 |
| J | 20 ga. solid | TCWR-1028 | TCWR-1032 |
| J | 20 ga. stranded | TCWR-1033 | TCWR-1035 |
| With Stainless Steel Overbraid | |||
| K | 20 ga. stranded | TCWR-1049 | TCWR-1053 |
| J | 20 ga. stranded | TCWR-1047 | TCWR-1051 |
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One-Piece Mounting Clip
Part Number: SPR-103-102 Designed for heater mounting with 22 ga (.028″) to 20 ga (.037″) sheet metal. Thinner or thicker materials require the Two-Piece Mounting Clip.
One-Piece Mounting Clip
Part Number: SPR-103-102 Designed for heater mounting with 22 ga (.028″) to 20 ga (.037″) sheet metal. Thinner or thicker materials require the Two-Piece Mounting Clip.
Two-Piece Mounting Clip
Part Number: CRK00008 The two-piece wave spring clip and holding clip assembly is used for mounting heaters in materials thicker than 20 ga (.037″) or thinner than 22 ga (.028″)
Two-Piece Mounting Clip
Part Number: CRK00008 The two-piece wave spring clip and holding clip assembly is used for mounting heaters in materials thicker than 20 ga (.037″) or thinner than 22 ga (.028″)
Single Element Mounting Bracket
Part Number: CRK00018 A convenient method for mounting individual E-Mitters to a flat surface or panel for spot heating applications
Single Element Mounting Bracket
Part Number: CRK00018 A convenient method for mounting individual E-Mitters to a flat surface or panel for spot heating applications
Screw-In Base
Part Number: CRK00016 Ceramic receptacle for use with screw-in bulb E-Mitters
Screw-In Base
Part Number: CRK00016 Ceramic receptacle for use with screw-in bulb E-Mitters
Request Other Additional Options
If your filter selections do not return your desired results from our standard configurations, please continue to select your Specifications. When you are finished, save your selections in the Wish List (using the button at the right of this page) and follow the steps to submit them to Tempco.
Request Other Additional Options
If your filter selections do not return your desired results from our standard configurations, please continue to select your Specifications. When you are finished, save your selections in the Wish List (using the button at the right of this page) and follow the steps to submit them to Tempco.
