Explosion-proof space heaters

"Exd" heater suitable for hazardous areas


These heaters are ideal for space heating in hazardous areas, where high performance of heating is needed. They are designed for fixed mounting in horizontal position, for indoor installation. The device is cylindrical in shape and made of stainless steel. The construction of the heater, without thermostat, ensures that the maximum temperature on the outer surface does not exceed 150°C. Due to better heat transfer, the outer surface of the tube is finned.
The heater is intended for use in hazardous area zone 1 and 2 of explosive gas atmosphere, group IIB, temperature class T3. The explosion protection of the device is specified in accordance with standard EN 60079-1 Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d".


  • Air heating in hazardous areas
  • Odorization of gas
  • Heating in aggressive areas
  • Manufacturing facilities and warehouses
  • Prevent moisture, condensation and freezing

Technical data

Type of heating

Natural convection heat
Radiant heat


Finned tube: Stainless steel
Tubular heater: Stainless steel
Terminal box: Stainless steel


Height: 160mm
Width: 98mm
Length: 988mm
Tube diamater: Ø50mm
Fin diameter: app. Ø91mm
Weight: 12kg


Horizontal position is mandatory
Fixed mounting on surface, using feet stands and screws


Cable entry
Cable H05SS-F 3x2.5mm² with ground lead


Designed according to:

EN 60079-0 - Explosive atmospheres - Equipment - General requirements

EN 60079-1 - Explosive atmospheres - Equipment protection by flameproof enclosures "d"


Type: GR400
Voltage: 230V
Power: 400W
Temperature class: T3
Protection class IP55
Temperature on fins: Max. 150°C
Ex code: Ex II2G Exd IIB T3 Gb
Cetificate: VINCA.EX.17.T003X


  • Certified product, safe for use in hazardous areas
  • Able to withstand aggressive environments
  • Without thermoregulation
  • Excellent heat transfer
  • Long service life

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