Westinghouse RDB-RBA-400 Power Fuse Refill Unit

The Westinghouse RDB-RBA-400 Power Fuse Refill (MPN 423D815A18) provides high-current overcurrent protection for industrial power distribution and electrical protection systems. Commonly installed in switchgear assemblies and other electrical distribution equipment, it delivers reliable fault interruption to support continuous operation. This refill is designed for replacement servicing and upgrades in industrial power protection systems, with a current rating of 250E Amps and fuse type RDB-RBA-400. It mounts in switchgear or fuse assemblies and is compatible with industrial switchgear and electrical distribution systems, with common replacements including Westinghouse 423D815A19, Eaton RDB-RBA-400, and GE EJ-2400E.