SM2-CR Self Regulating Heating Cable

SM2-CR Self-Regulating Heating Cable

Unlike ordinary metal resistance wire which produces heat output corresponding to its length, the core of SM2-CR is composed of the infinite parallel connection of carbon particles. The parallel circuitry allows the cable to be cut to the exact length required, with no wasted cable.

SM2-CR consists of a continuous core of conductive polymer extruded between two copper bus wires.

SM2-CR regulates its own heat output in response to ambient temperatures as electrical current flows through the core. The self-regulating function of the core is due to its PTC (Positive Temperature Coefficient) property by which the electrical consumption of SM2-CR is reduced in the application.

Product construction

1.Copper bus wire
Self-regulating conductive core
3. Inner adhesive jacket
4. Modified polyolefin jacket
5. Tinned-copper braid
6. Modified polyolefin outer jacket (-CR)

Product characteristics and design information

Copper bus wire

14 AWG

Max. power output

80 W/M

at 0℃ in concrete

Cable spacing

25cm

4M/square meter

Max. maintenance temperature

90℃

Min. installation temperature

-10℃

Service voltage

200 - 254 Vac

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