High-Temperature Constant-Wattage Heating Cable (KK)
Constant Wattage Heating Cable provides a precise and constant temperature output regardless of ambient and/or surface temperature. This heating cable is ideal for a wide range of high temperature applications up to 500F (260C)
- 18 W/ft (59 W/m)
- 480V
Since 1949
Ideal for a Wide Range of High Temperature Applications:
- Viscosity control
- Asphalt lines
- Heavy oil lines
- Nuclear environments
- Locations where halogens are not permitted
- Process lines subject to high pressure steam blow down
Exposure Temperature Range: -22°F to 500°F (-30°C to 260°C)
Minimum Bend Radius: 1.0 in (25 mm)
Bus Wire Gauge: 12 AWG
Dimensions: 0.15 in x 0.25 in (4 mm x 6 mm)
Weight: 30 lb. (14 Kg) per 500-foot (152 m) spool
- FM Approved Ordinary Locations
- FM Approved Hazardous Locations:
- Class I Division 2 Groups B, C, D
- Class II Division 2 Groups F, G
- Class III Division 2
Approval valid only when used with appropriate heating cable and installation accessories, and installed in accordance with all applicable instructions, codes, and regulations.
Maximum Circuit Length in ft (m)
| Cable Type | 120 VAC | 208 VAC | 240 VAC | 277 VAC | 480 VAC |
| 4 watts/ft (13 watts/m) | 480 (146) | 830 (253) | 960 (293) | 1110 (338) | 1920 (585) |
| 8 watts/ft (26 watts/m) | 240 (73) | 415 (127) | 480 (146) | 555 (169) | 960 (293) |
| 12 watts/ft (39 watts/m) | 160 (49) | 277 (85) | 320 (98) | 370 (113) | 640 (195) |
| 18 watts/ft (59 watts/m) | 105 (32) | 185 (56) | 215 (65) | 245 (75) | 425 (130) |
Circuit Module Length in ft (m)
| Cable Type | 120 VAC | 208 VAC | 240 VAC | 277 VAC | 480 VAC |
| 4 watts/ft (13 watts/m) | 4 (1.2) | 4 (1.2) | 4 (1.2) | 4 (1.2) | 8 (2.4) |
| 8 watts/ft (26 watts/m) | 4 (1.2) | 4 (1.2) | 4 (1.2) | 4 (1.2) | 6 (1.8) |
| 12 watts/ft (39 watts/m) | 2 (0.6) | 4 (1.2) | 4 (1.2) | 4 (1.2) | 7 (2.1) |
| 18 watts/ft (59 watts/m) | 1.75 (0.5) | 3 (0.9) | 3.5 (1.1) | 4 (1.2) | 5.5 (1.7) |
*When ordering, please allow a minimum of 1 module length extra for terminations
How does Constant Wattage Work?