ABB OTM1600E4CM24D 4P 1600A Motorised Changeover sw 24VDC OT Change over Switches Description Description ABB OTM1600E4CM24D 4P 1600A Motorised Changeover sw 24VDC OT Change over Switches Related products ABB 2TLA040001R1400 ABB ACS800-01-0011-5 ABB ACS60100203 ABB 2TLA042023R0100 ABB 2TLA040001R1000 ABB 3BSE008510R1