Waterproof housing, EXTREME series, ATEX and IECEX certified, for indoor/outdoor environment classified 1-21 and areas in which potentially explosive atmospheres may form, thermostat-controlled triple-heating, cable glands for gas categories IIA (propane), IIB (ethylene) and IIC (acetylene and hydrogen), cable glands size 1/2'' or 3/4'' on request, temperature from -50°C to +50°C, anticorodal aluminium case IP66/67, useful dimensions (W x H x D) 110 x 84 x 220 mm, weight 11 kg. Wall bracket art. 44160 NOT included.