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 3BSE008516R1 ABB ACS60100203 ABB 3HNE00313-1 ABB 2TLA040001R0000 ABB ACS800-01-0011-5 ABB 2TLA040037R0800