... contact:Gold-silver,silver-palladium ( for aggressive atmospheres ).Switch housing:Polycarbonate(PC)Mechanical characteristicsTerminals:Screw terminals;Plug-in ... temperature must not exceed the quoted maximum values.Switch ratingAt switch rating AC for gold-silver and silver-palladium ... 1.Voltage :230VAC, 400VAC, 500VACCurrent :7A,5A,4AAt switch rating DC for gold-silver contacts,service category DC- ...