nVent RAYCHEM FMT, FHT constant wattage trace heating cables


Parallel constant wattage trace heating cables for frost protection or process temperature maintenance applications up to 230°C

The RAYCHEM FMT and FHT range of constant wattage parallel trace heating cables are designed for freeze protection of industrial equipment or process temperature maintenance up to 230°C. These heating cables can withstand up to 260°C and have fluoropolymer outer jackets for high chemical resistance.

They are approved for use in hazardous areas, and are usually used in conjunction with advanced control systems.

Key benefits:

  • The FHT product is available in 230V and 400V versions for extended circuit lengths.
  • Cut to length and termination possible on site
  • Round geometry provides excellent flexibility during installation
  • Heating element is protected by 2 layers of PTFE insulation tape to minimize mechanical stress
230 V versions400 V version
10FxT2 (10 W/m)  10FHT4 (10 W/m)
20FxT2 (20 W/m)  20FHT4 (20 W/m)
30FxT2 (30 W/m) 30FHT4 (30 W/m)
40FHT2 (40 W/m)

Технические характеристики

Nominal Power outputUp to 30 W/mUp to 40 W/mUp to 30 W/m
Nominal voltage230 Vac230 Vac400 Vac
Maximum circuit lengthUp to 200 mUp to 200 mUp to 330 m
Maximum maintain or continuous exposure temperature (power on)150°C230°C230°C
Maximum continuous exposure temperature (power off)200°C260°C260°C


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