ABB S272-K4 Description Description ABB CIRCUIT BREAKER 4AMP 2POLE 277/480V Related products ABB 2TLA040001R1000 ABB 2TLA042021R8000 ABB 2TLA040037R0800 ABB 1SFN075112R1000 ABB 3BSE013230R1 ABB 2TLA040001R1400
