We are manufacturing different kinds of definite purpose contactor,Dp contactor,HVAC contactor,Air conditioner contactor. SA-3P-30A-24VAC ... -4-1 (AC1-40A / AC3-30A) 5) Coil: 24VAC/110VAC/208-240VAC/277VAC/480VAC for choose 6) Cetificate: ISO 9001:2000 ... CE approval ISO 9001:2000 certified company Definite purpose contactor,DP contactor,Definite purpose contactors.