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Heat Tracing


PLT Series Image
  • Designed for Connecting 1 to 3 Heating Cables
  • Pipe Sizes Range from .75 to 20 inches
  • Constructions Available in Braided Heater, Overjacketed Heater, Cable Entry, and Special Heater
  • Enclosures Rated NEMA 4X
  • UL Listed, CSA Certified and FM Approved
Nelson's PLT Series non-metallic connection kits are Factory Mutual, Underwriter's Laboratory and Canadian Standards Association approved for use in ordinary and Division 2 hazardous areas when used with approved. PLT series connection kits are approved for use with all Nelson LT, HLT and NC Series field-fabricated heating cables.
TA Series Image
  • Features a Cast Aluminum (TA7140) or Epoxy-Coated Metal (TA4X140) Enclosure
  • Includes a Stainless Steel Capillary
  • Internal Temperature Adjustment Calibration Accuracy of 2 Degrees Fahrenheit
  • Incorporates a 480V/22A Single Pole Double Throw Switch
  • UL Listed, FM (7140) Approved, CSA and ATEX (7140) Certified, CE (4X140) Marked
Nelson's TA Series thermostats automatically switch on the heating cable system when the ambient temperature reaches the freezing point. Thermostat TA7140 is suitable for use in hazardous locations. Thermostat TA4X140 is suitable for use in ordinary and corrosive locations.
TH Series Image
  • Features a Die Cast Aluminum Enclosure
  • Includes a Stainless Steel Capillary
  • Internal Temperature Adjustment Calibration Accuracy of 3 Degrees Fahrenheit
  • Incorporates a 480 Volt and 22 Amp Single Pole Double Throw Switch (TH4X325: DPST)
  • UL Listed, FM (7325) and LCIE (7325) Approved, CSA Certified, and CE (4X325; 4X325-2) Marked
Nelson's TH Series thermostats provide affordable, mechanical on and off switching in response to the temperature sensed at the pipe. Thermostats THX325 and THX4x325-2 are suitable for use in ordinary and corrosive Locations. Thermostat TH7325 is suitable for use in hazardous locations.
TF Series Image
  • Features a Molded Fiberglass Polyester Enclosure
  • Includes a Copper Capillary
  • Internal Temperature Adjustment Calibration Accuracy of 4 Degrees Fahrenheit
  • Incorporates a Single Pole Single Throw Switch
  • UL Listed, CSA Certified and CE Marked
Nelson's TF Series thermostats are used for controlling heat tracing systems in ordinary locations. The capillary bulb should be mounted on the side of the pipe.
ALT Series Image
  • Designed for Connecting 1 to 3 Heating Cables
  • Pipe Sizes Range from .75 to 20 inches
  • Constructions Available in Braided Heater, Overjacketed Heater, Cable Entry, and Special Heater
  • Enclosures Rated NEMA 4, 7, 9
  • UL Listed, CSA Certified and FM Approved
Nelson's ALT Series aluminum connection kits are Factory Mutual, Underwriters Laboratory and Canadian Standards Association approved for use in ordinary and Division 2 hazardous areas when used with approved Nelson heating cables. ALT Series connection kits are approved for use with all Nelson LT, HLT and NC Series field-fabricated heating cables.
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