AFT Flameproof Air / Process Sensing Thermostats

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EXHEAT Industrial's AFT thermostats are supplied in weatherproof or explosionproof enclosures to complement our heaters. All thermostats are certified for use in hazardous areas where the atmosphere is classified as a Zone 1 or 2 (IIA, IIB, IIC) gas group. The AFT has an externally adjustable option, enabling quick and accurate variable control for air applications.



  • Certified to ATEX, IECEx or CU TR (formerly GOST) standards
  • Wall mounted
  • Suitable for ambient temperatures from -60°C to +60°C
  • Lightweight cast aluminium enclosure certified weatherproof to IP6X




Certification ATEX / IECEx II 2 G/D
Ex d IIC T6 Gb (Gas)
Ex t IIIC T85°C Db (Dust) IP6X
Enclosure Cast aluminium alloy with a maximum of two cable entries and external and internal earths
Controls Choice of control range: 0 to 25°C, 0 to 40°C or 0 to 60°C options
Mounting Any threaded boss or flange in any material can be specified within the limits of the design parameters
Voltage 20A on 250VAC in a choice of switching configurations
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