Details:

Features

Certified and declared in accordance with ATEX directive 2014/34/EUCertified to CSA (Divisions and Zones) standards for North American marketsCompact, low profile, 316 stainless steel case, requires minimal spaceSelf-regulating - can be used without a thermostatSuitable for ambient temperatures from -60°C (-55°C for CSA certified models only) to +80°CMounting of the heater can be in any orientationDesign allows for closer installation proximity to internal components and cables (minimum distance 100mm away)

Specification

Certification	ATEX / IECEx   II 2 G Ex eb IIC T4...T3 Gb CSA (CAN & USA) CAN: Class I, Division 2, Groups A, B, C and D, T3 or T4 CAN: Ex e IIC T3 or T4 Gb USA: Class I, Division 2, Groups B, C and D, T3 or T4 USA: Class I, Zone 1, AEx e IIC T3 or T4 Gb CU TR (EAC) 2Ex e II T4 Gb KGS Ex e IIC T4
Casing	316 perforated stainless steel
Element	Self-regulating
Controls	The HEF is self-regulating, automatically reducing its output as the ambient temperature rises. If overall enclosure temperature control is required, it is recommended that the HEF heater be used in conjunction with the AFT, HFT or FXT flameproof air sensing thermostats
Mounting	The heater may be mounted in any orientation, using appropriate securing bolts through the mounting feet or DIN rail holes
Rating	The HEF range is available in a nominal 30W, 50W, 100W, 200W and 500W outputs
Voltage	Models available for 110V to 120V and 230V to 240V 1 phase supplies (max 254V subject to design parameters)