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Products / Commercial & Industrial Heating / Self-Regulating Heating Cables

12-17W/m (12VAC, 24 VAC)

Self-regulating electrical heating tape for freeze protection or temperature maintenance of industrial pipelines and vessels even in hazardous areas.

  • Automatically adjusts heat output subject to any temperature change
  • Can be cut to required length
  • Not overheat or burnout even if overlapped
  • Full range of controls and accessories
  • Operating voltage 22-24 VAC (on request 11-12 VAC)



HTB is an industrial grade self-regulating heating tape rated for light load that can be used to prevent freezing of pipes or to maintain the preset temperature of industrial pipelines and vessels in the construction and refrigeration industries as well as automobile transportation.

It can be cut to length on site and exact piping length can be matched without any complicated design considerations.

HTB is certified for use in safe and explosion hazardous environments against international standards as well as GOST R 60079 standards.

Its self-regulating characteristics improve safety and reliability. HTB will not overheat or burnout even when overlapped. The heat output adjusts automatically subject to temperature change.

The installation of HTB heating tape is quick and simple and requires no special skills or tools. Termination, splicing and power connection components are all provided in kits.


Thermoplastic elastomer outer jacket over tinned copper braid ensures additional protection.
Fluoroplastic outer jacket over tinned copper braid provides protection where corrosive chemical solutions or vapors may present.


Maximum temperature 65 °C
Maximum allowable temperature de-energized (1000 hours cumulative) 85 °C
Minimum installation temperature - 60 °C
Power supply ~22–24 VAC
(~11–12 VAC)
Temperature classification T6
Maximum resistance of the protective braid not more than 10 Ohm/km

Maximum length of a heating section, or overall length of sections of the same type connected in parallel (m) vs circuit breaker type

Type Start-up temperature, °C 230 V
  10 A 16 A
12HTB 5 8 14 20
0 8 12 20
-20 6 10 16
-40 4 8 12
17HTB 5 6 10 16
0 6 10 16
-20 6 8 14
-40 4 8 12

For use with type C circuit breakers according to GOST R 50345- 2010 (IEC 60898-1:2003)

* A current step takes place (starting current) at the moment of turning on the heating section. The current value stabilizes within 5 minutes after start-up. Maximum starting current can be 5-6 times higher than the rated current value of the circuit breaker.

Dimensions and weights

Type Nominal dimensions, mm Weight, kg/100 m Minimum bending radius, mm
HTB…BT 10.5 x 5.9 10.5 30
HTB…BP 10.5 x 5.9 12 30

* Minimum bending radius is given for temperature –20 °C.

Thermal ratings

Nominal heat output at operating voltage 12 V or 24 V, when self-regulating heating tapes operate in normal conditions.

Ordering information


A range of accessories includes kit of component parts for power supply input, splice and termination of the heating tape and control unit.

We recommend to use original accessories made by SST to ensure trouble-free operation and meet safety standards and requirements.