SIMATIC S7-300, Digital input SM 321, Isolated 16 DI, 24 V DC, Source input, 1x 20-pole6ES7321-1BH50-0AA0 : SM321, 16DI, DC24V, Source InputSKU: 6ES73211BH500AA0Add to WishlistProduct ConditionBrand NewReturn & Refund Policyas per PA terms & conditionsShipping Infocost extra at the time of delivery
