55 Gallon Hazardous Area Drum Heater T3 (DHCX151300T3)




BriskHeat® Silicone Rubber Hazardous-Area Rated Drum and Pail Heaters are designed to provide practical, efficient means of freeze protection, viscosity control, and maintenance of materials at elevated temperatures. A variety of standard sizes are combined with availability of configure-to-order designs to meet your application requirements.

  • Hazardous-area rated
  • Dual set-point NEMA 7 temperature controller connected to a high temperature limit indicator light
  • Extra wide 8” (203mm) coverage area
  • Exceptional durability and flexibility
  • Grounded heating element meets NEC 427.23
  • Designed for metal drums

Product Highlights:

  • Dual set-point NEMA 7 temperature controller connected to a high temperature limit indicator light.
    • One set-point is set at a high temperature limit and connected to read indicator light.
    • Set-point dial shows °F and °C values for added convenience.
  • Leads from drum heater to external temperature controller are enclosed in a liquid tight conduit.
  • Extra-wide 8" (203mm) wide heater coverage.
  • Designed for use with metal drums only.
  • Moisture and chemical resistant.
  • Durable reinforced silicone rubber provides excellent strength and flexibility for long service life.
  • Heating element is laminated between two extra thick layers of 25mil fiberglass reinforced silicone rubber for the ultimate in strength and durability.
  • Multi-stranded resistance wire heating element provides exceptional flexibility and durability.
  • Patented grounded heating element meets NEC 427.23.

Product Specifications:

  • Power density: 2.5 watts/in2 (.004 watts/mm2)

  • Nominal silicone rubber density: 26oz/yd2 (881g/m2) per layer

  • Power cord: 6ft (1.8) long with standard 3-prong wall plug.

  • Voltage options: single phase 120, 240VAC

  • Maximum exposure temperature: 400°F (204°C)

About High-Limit Safety Thermostat and NEC article 500 T-Rating

BriskHeat® DHCX series hazardous area silicone rubber drum heaters are manufactured with a built-in high-limit thermostat designed to keep the drum heater below high-limit safety temperatures per NEC article 500 T-Ratings. The following chart shows NEC high-limit temperatures and actual BriskHeat DHCX heater’s high-limit settings.

T Rating NEC Temperature Actual High Limit Thermostat
T3 392oF (200oC) 292oF (145oC)
T4A 248oF (120oC) 158oF (70oC)

Class I Division 2 Groups A*, B, C, and D

Class II Division 2 Groups F and G 


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