ABB OTM1600E4CM230C 1600A 4P Motorised Changeover Sw 230VAC OT Change over Switches Description Description ABB OTM1600E4CM230C 1600A 4P Motorised Changeover Sw 230VAC OT Change over Switches Related products ABB ACS800-01-0003-3 ABB ACS550-01-038A-4 ABB 2TLA040037R0900 ABB 3BSE008510R1 ABB ACS60100203 ABB 2TLA042023R0100