SRM/E 3-2CT Self-Regulating Medium Temperature Heating Cable

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Chromalox SRM/E Self-Regulating Medium Temperature, SRM/E 3-2CT 3W/FT 240V.
  • Product Description
  • Dimension Drawing
Chromalox SRM/E self-regulating heating cable provides safe, reliable heat tracing for process temperature maintenance and freeze protection of pipes, valves, tanks and similar applications.


  • Self-Regulating, Energy Efficient
  • 14 AWG Buss Wire
  • Circuit Lengths to 780 Feet
  • Process Temperature Maintenance to 302°F (150°C)
  • Maximum Exposure Temperature (Power Off) 420°F (215°C)
  • Industrial Process Maintenance Applications
  • Industrial Freeze Protection Applications
  • Freeze Protection of Fire Protection System Piping
  • Steam Cleanable On Process Equipment Up to 300 PSIG
  • 3, 5, 8, 10, 15 and 20 Watts per Foot
  • 120 and 208-277 Volts Available From Stock
  • Energy efficient, self-regulating SRM/E uses less energy when less heat is required.
  • Easy to install, SRM/E can be cut to any length (up to maximum circuit length) in the field.
  • Field splices can be performed easily in minutes with no scrap or wasted cold sections.
  • With lower installed cost than steam tracing, SRM/E features less maintenance expense and down time.
  • SRM/E can be single overlapped without burnout, which simplifies heat tracing of in-line process equipment such as valves, elbows and pumps.
  • Because SRM/E is self-regulating, overtemperature conditions are virtually impossible.
  • Chromalox termination, splice, tee and end seal kits reduce installation time.
  • UL listed for use on fire protection system piping
ATEX and IECEX Exe IIGb, Factory Mutual (FM) Approved for ordinary areas. UL Listed, CSA Certified for ordinary areas. UL listed for freeze protection of fire protection system piping. FM Approved for hazardous (classified) areas when used with U Series, DL and EL accessories:

  • Class I, Div. 2, Groups B, C, D (gases, vapors)
  • Class II, Div. 2, Groups F, G (combustible dust)
  • Class III, Div. 2 (easily ignitable fibers and filings)
  • 5 and 8 Watt Rated T3 Temperature Class
  • 10, 15 and 20 Watt Rated T2D Temperature Class
CSA Certified for hazardous (classified) areas when used with DL and U Series accessories:

  • Class I, Div. 2, Groups A, B, C, D
  • Class II, Div. 2, Groups F, G
  • Rated T31 Temperature Class.
  • ATEX and IECEX Exe IIGb
  • IIG Exe II