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Contact thermostat with capillary and bulb, in an IP65 polyester junction box, for measuring surface temperatures, in all places requiring the use of ATEX 2014/34/EU or IECEx certified equipment for explosive atmosphere. These thermostats can be installed in zones 1 and 2 (gas environment) or in zones 21 and 22 (dust environment) to control heating devices (heating cables...). Control range from -20 to +50 °C with automatic reset. 1 changeover contact. Switching capacity: 16 A, 230 V 1P.