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 3BSE013230R1 ABB ACS800-01-0011-5 ABB 2TLA040001R1200 ABB 2TLA040001R0000 ABB ACS800-01-0003-3