AFT Flameproof Air/Process Sensing Thermostats
Zone 1 or 2 (IIA, IIB, IIC) gas group
Description
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.
Features
- 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
Technical data
| Certification | ATEX/IECEx II 2 G/D Ex d IIC T6 Gb (Gas) Ex t IIIC T85°C Db (Dust) IP6X CU TR (EAC) 1Ex db IIC T6 Gb Ex tb IIIC T85OC Db |
| Enclosure | Cast aluminium alloy with a maximum of two cable entries and external and internal earths
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| Controls | Choice of control range: 0 to 25°C, 0 to 40°C or 0 to 60°C options
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| Mounting | Any threaded boss or flange in any material can be specified within the limits of the design parameters
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| Voltage | 20A on 250VAC in a choice of switching configurations |