Hazardous-Area Rated Silicone Rubber Drum Heaters (DHCX) - BriskHeat

Hazardous-Area Rated Silicone Rubber Drum Heaters (DHCX)

Hazardous-Area Rated Silicone Rubber Drum Heaters (DHCX) - BriskHeat

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

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

Class II Division 2 Groups F and G

  • 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.
  • 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


392oF (200oC)

292oF (145oC)


248oF (120oC)

158oF (70oC)

Available Options: Hazardous-Area Rated Silicone Rubber Drum Heaters (DHCX)

QuantityPriceUOMPart NumberSizeVoltageT-RatingWattage
DHCX131000T330 Gallon (114 Liter)120T31000
DHCX131000T4A30 Gallon (114 Liter)120T41000
DHCX151300T355 Gallon (208 Liter)120T31300
DHCX151300T4A55 Gallon (208 Liter)120T41300
DHCX231000T330 Gallon (114 Liter)240T31000
DHCX231000T4A30 Gallon (114 Liter)240T41000
DHCX251300T355 Gallon (208 Liter)240T31300
DHCX251300T4A55 Gallon (208 Liter)240T41300
NOTE: Selecting Configuration Options limit / refine the available products; to match your selection criteria.


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