ABB 1751-0-3031 1789 LI-884 Rocker marked “Light” Alpha Bs Description Description ABB 1751-0-3031 1789 LI-884 Rocker marked “Light” Alpha Bs Related products ABB ACS550-01-038A-4 ABB 2TLA040001R1000 ABB 3BSE008516R1 ABB 2TLA042021R8100 ABB FPR3600227R1202 ABB 2TLA040001R1300