DSX Self-Regulating Heating Cable for Pipe Protection

Transferring the warmth needed to protect industrial piping systems from freezing, the DSX self-regulating electric heat trace provides a safe, reliable, easy-to-install, and energy-efficient solution in an optimized form factor.

The trace heaters self-regulate to prevent overheating, even when overlapped, and are marked for use in ordinary and hazardous locations.

Available in 9 and 18 W/m nominal outputs (@ 230V AC), it can be energized at 208 to 277V AC.

Construction options include polyolefin or fluoropolymer overjacket and braid or foil and drain wire electrically conductive covering.


  • Self-regulating core prevents overheating, even when overlapped
  • Certified for ordinary and hazardous locations
  • Uses proven and proprietary compounding, extrusion, and cross-linking technology to extend service life
  • Cut-to-length, small profile design works for complex small piping layouts
  • Auto adjusts heat output based on the temperature, delivering optimal heating for cold and warm spots alike.

Available Watt Densities 9 or 18 W/m at 50°F (10°C) and 230V AC
Nominal Supply Voltage Range 208 to 277 V AC
Max. Maintenance Temp. 149°F (65°C)
Max. Continuous Exposure Temp. 185°F (85°C) 
Min. Installation Temp. -76°F (-60°C)
Min. Bend Radius 3/8 in. (10 mm) @ 59°F (-15°C)
1.25 in. (32 mm) @ -76°F (-60°C)

Thermon, Inc.

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