VÄRMEKABELTEKNIKS CABLE PRODUCTS CHARACTERISTICS – INDUSTRIAL CABLES
| Mineral insulated heating cables | ||||||||
|
Characteristics |
SRL | SRM | CWM | Copper | Cu/Nickel | Incoloy | TCT | TCTR |
|
Max. maintenance temp. (°C) |
85 | 150 | 120 | 200 | 300 | 450 | 160 | 160 |
|
Max. exposed temp. (°C) |
130 | 180 | 200 | 250 | 350 | 600 | 200 | 200 |
|
Max. Watt/m |
33 | 65 | 30 | Depending on process temp. | Dep. on temp. | |||
|
Max. circuit length |
See data sheet | See data sheet | See data sheet | Depending on the supply voltage | Dep. on feed(U) | |||
|
Voltage |
120, 240 | 120, 240 | 240/440 | 1-600V | 1-600V | 1-600V | 1-440V | 1-440V |
|
Ex. approved |
Yes | Yes | No | No* | No* | No* | No | No |
|
Usable on plastic pipes |
Yes | No | No* | No** | No** | No** | Dep. on output | |
|
Can be cut on site |
Yes | Yes | Yes | No | No | No | No | No |
|
Can cross itself |
Yes | Yes | No | No | No | No | No | No |
|
Varying output/temperature |
Yes | Yes | No | No | No | No | No | No |
|
Varying output along cable length |
Yes | Yes | No | No | No | No | No | No |
* The cables are Ex-approved in a number of countries. At use in for example Sweden shall exemption be applied for.
** Suitability depend on load/metre