ABB OT630KLUU4C 630A 4 pole enclosed changeover switch Metal Enclosed (Loadbreak) Description Description ABB OT630KLUU4C 630A 4 pole enclosed changeover switch Metal Enclosed (Loadbreak) Related products ABB 2TLA040001R1300 ABB 2TLA040001R0000 ABB 2TLA040001R1200 ABB 3HNE00313-1 ABB 2TLA042023R0100 ABB 3BSE008510R1