The ABB AFN21F2-2C2 is a non-reversing contactor from the AFN2 family, rated for 3-phase motor loads and housed in a NEMA 3R enclosure — meaning it's built for outdoor or washdown-adjacent locations where rain, sleet, and ice formation are a concern, not just dry indoor panel air.
Sourcing and fit for the BOM
The AFN21F2-2C2 lifecycle stage is current. The NEMA 3R enclosure means the contactor is self-contained with knockouts for conduit entry, so it mounts directly to a wall or structure without an additional cabinet. That saves panel space and installation labor compared to an open-style contactor that needs a separate enclosure.