ABB 1751-0-1633 1789 LI-20 Rocker “Light” Alpha Bs Description Description ABB 1751-0-1633 1789 LI-20 Rocker “Light” Alpha Bs Related products ABB 1SFN075112R1000 ABB 2TLA040037R0800 ABB 2TLA042023R0100 ABB 3BSE008508R1 ABB GJV3074397R1 ABB ACS601-0100-3