The ABB BC25-40-22 is an auxiliary contact block, part of the BC25 series, used to extend the switching capability of contactors and starters in control panels.
Sourcing Reality
For a BOM line that calls out BC25-40-22, the primary sourcing path is through independent distributors and surplus channels. We source and quote this part to order against an RFQ, with availability and current pricing confirmed at quote time.