SIMATIC S7-1200, Digital input SB 1221, 4 DI, 5V DC 200kHz, Sourcing input6ES7221-3AD30-0XB0 : Signal Board SB 1221, 4 DI 5VDC 200KHzSKU: 6ES72213AD300XB0Add to WishlistProduct ConditionBrand NewReturn & Refund Policyas per PA terms & conditionsShipping Infocost extra at the time of delivery