Pre-assembled Self-Regulating Heating Cable Kits FSR Kits

Pre-assembled Self-Regulating Heating Cable Kits FSR Kits is mostly used for outer side pipe frost protect, snow melting, roof and gutter de-icing.The kit has per-assembled plug, very easy to install, save energy.
Roof And Gutter De-icing Kits
  • Item NO.:

    FSR kits
  • Lead Time:

    20 days after received payment
  • Product Orgin:

  • Brand:

  • Shipping Port:

    Any port in China
  • Payment:

  • Color:

    OEM color
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  • Features & Benefits
Product Name:
Pre-assembled Self-Regulating Heating Cable Kits FSR Kits


Pre-assembled Self-Regulating Heating Cable Kits FSR Kits is mostly used for outer side pipe frost protect, snow melting, roof and gutter de-icing. The kit has per-assembled plug, very easy to install, save energy.

Technical data
Output Wattage: 11, 17, 23, 31(W/m)
Maximum maintain temperature: 65°C
Maximum exposure temperature: 110°C
Minimum installation temperature: -40°C
Working voltage: 110V-120V / 220V-240V

FSR Series
FSR Self Regulating Heating Cables provide the most versatility in heat trace designs and applications. Constructed of a semiconductor heater matrix extruded between parallel bus wires, a self-regulating cable adjusts its output to independently respond to ambient temperatures all along its length. As temperatures increase, the heater’s resistance increases which lower the output wattage. Conversely, as the temperature decreases, the resistance decreases and the cable produces more heat. So thermostat is not necessary in some applications. It will never overheat or burnout even when wrapped by itself (overlapped). It can also be cut to any length. The result —an energy efficient heating cable. With optional outer jackets, the heating cable is resistant to watery and inorganic chemicals and protect against abrasion and impacted damage.
FSR Series
FSR-P: Tinned copper metal braid
FSR-PB: Thermoplastic outer jacket
FSR-PF: Fluoropolymer outer jacket
Max resistance of braid: ≤18.2Ω/km
Bus wire gauge: 18WAG
Approvals: CE EAC EAC-ex ATEX

MOQ: 50 pcs 

CE certificateEAC certificate





Power Output


Bus wire gauge


Item Length

Power Output


Bus wire gauge


FSR17-2 2 34W 18AWG FSR23-2 2 46W 18AWG
FSR17-4 4 68W 18AWG FSR23-4 4 92W 18AWG
FSR17-6 6 102W 18AWG FSR23-6 6 138W 18AWG
FSR17-8 8 136W 18AWG FSR23-8 8 184W 18AWG
FSR17-10 10 170W 18AWG FSR23-10 10 230W 18AWG
FSR17-15 15 255W 18AWG FSR23-15 15 345W 18AWG
FSR17-20 20 340W 18AWG FSR23-20 20 460W 18AWG
FSR17-25 25 425W 18AWG FSR23-25 25 575W 18AWG
FSR17-30 30 510W 18AWG FSR23-30 30 690W 18AWG
FSR17-35 35 595W 18AWG FSR23-35 35 805W 18AWG
FSR17-40 40 680W 18AWG FSR23-40 40 920W 18AWG
FSR17-45 45 765W 18AWG FSR23-45 45 1035W 18AWG
FSR17-50 50 850W 18AWG FSR23-50 50 1150W 18AWG

Our advantage:

self-regulating heating cable

Three layer co-extrusion technology

1. Conductor

2. Low resistance transition layer

3. PTC Semi-conductive

4. Inner insulation layer

5. Outer insulation layer

6. Metal braid

7. Outer jacket


1. Definition

Three-layer co-extrusion technology of self-regulating heating cables is characterized in: the cables consist of two conductive wires with a low resistance transition layers, PTC semi-conductive matrix, inner insulating layer and outer insulating layer, metal braid and outer jacket. Among them the three layers — low resistance transition layer, PTC Semi-conductive matrix and inner insulting layer are extruded in one step.

2. Advantages

A. Owing to three-layer co-extrusion technology, the inner insulating layer wrapped the PTC semi-conductive matrix tightly. No gap, no air, no water, no oil and no impurities will contaminate the matrix, which reduces the cable decay rate.

B. Low resistance transition layer contacts the PTC semi-conductive matrix tightly, effectively reducing the current impact to the material of PTC, reducing the start current, prolonging service life.

C. Most of out-sourcing insulation resin will damage the PTC matrix on the performance such as life-span and insulation safety. Huanrui improved it by using self-made special modified insulation resin, the resin matches the PTC well and avoids the damaged to both layers, with longer life-span and higher performance.


Material properties:

Excellent weather resistance and ultraviolet radiation.

High and low temperature resistance, -50°C—140°C.

Great insulating property. 2000MΩ per 100 meters. 

self-regulating heating cable kits with plug


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