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 ACS60100203 ABB 2TLA040001R1000 ABB 2TLA040037R1000 ABB ACS601-0100-3 ABB FPR3600227R1202 ABB 2TLA040037R1300