HFT Explosion Proof Thermostats HFT Explosion Proof Air Sensing Thermostats

Model Types

HFT-40  20A, 250V, Control Range: 0°C-40°C
hft-60 20A, 250V, Control Range: 0°C-60°C

*The HFT range thermostat is ATEX certified for use in hazardous areas where the atmosphere is classified as a Zone 1 or 2 (IIA, IIB, IIC) gas group. The HFT is designed for the temperature control of work or storage areas, in conjunction with a hazardous area air heater.


  • Certified to ATEX / IECEx II 2 G Ex d IIC T6 Gb Zone 1 and 2 and CU TR standards
  • CSA Approved (March 2017 Certificate)
  • Certified weatherproof protected to IP66
  • Wall mounted
  • Compact design, requires minimal space
  • 316 stainless steel enclosure
  • Suitable for ambient temperatures -60°C to +60°C