MROcentral.co USA: (207) 922-9900    Global Express Shipping CAN: (514) 400-0518    800K+ Parts Avail   Module / Controller / Board Part # [ A20B-3900-0291 ] Qty Unit Price Discount 1 2 3 4 5 6 7 8 9 10 We stock hard-to-find business grade products for use in production applications as well as aerospace and nuclear installations. This assembly comes with a 3 month guarantee. All assemblies conform to UL or other nationally recognized performance certifications. Click below for   discount pricing or manufacturer specifications.  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: 8/2/2025  |  © 2025