Type 8013/311-al Rated operational voltage AC : 254 V Enclosure material : Polyamide Construction : with terminal compartment Application area (zones) : 1 , 2 , 21 , 22 Gas explosion protection : II 2 G Ex db eb mb IIC Area of application : European Union (ATEX) IECEx UL Ambient temperature min. : -30 °C Ambient temperature max. : +60 °C Electrical life : 10^5 hours