ABB A 1016 WHI Description Description ABB 20a ROCKER SWITCH “IO” A-BS Alpha Bs Related products ABB 2TLA040001R1200 ABB GJV3074397R1 ABB 3BSE008510R1 ABB 2TLA042023R0100 ABB 2TLA042021R8000 ABB 3BSE013230R1