Click to expand Tap to zoom USED SIEMENS 6ES5-943-7UB11 CPU MODULE 6ES59437UB11 by EcoTech Solutions Inc. Sale $4,100.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart USED SIEMENS 6ES5-943-7UB11 CPU MODULE 6ES59437UB11