MROcentral.co  Global Express Shipping USA: (207) 922-9900   CAN: (207) 400-0518   800K+ Parts Avail Module / Controller / Board [ A20B-3900-0171 ] Qty Unit Price Discount 1 2 3 4 5 6 7 8 9 10 We carry replacement commercial grade components for use in process control applications including aerospace and nuclear installations. This assembly comes with a 3 month warranty. Our components conform with NTL or other industry recognized quality certifications. Click below for   bulk pricing or product details.  Industrial components, LCDs, inverters, PLCs, control modules, PCBs, safety relays  and other obsolete, out-of-production, over-stocked, and discontinued parts for commercial and industrial use.

Last Update: 8/1/2025  |  © 2025