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 3BSE013230R1 ABB 2TLA040001R1200 ABB 2TLA040001R1400 ABB ACS601-0100-3 ABB FPR3600227R1202 ABB 3BSE008510R1