The Westinghouse Electric Corporation FAN421 Fusible Bus Plug is a 30-amp, 240-volt fusible plug designed for use in plug‑in bus duct systems. It belongs to the Westinghouse FAN family (along with FAN321 and FAN421 models) and provides a protected fusible tap for power distribution within compatible busway assemblies. Designed for industrial electrical distribution, this fusible bus plug enables a modular, field‑replaceable connection point at up to 30 A and 240 V in compatible busway configurations.
