ABB 1SDA055878R1 E2N 1250 PR123/P-LSI In=1250A 3p W New Emax Description Description ABB 1SDA055878R1 E2N 1250 PR123/P-LSI In=1250A 3p W New Emax Related products ABB ACS550-01-038A-4 ABB 2TLA040037R0800 ABB ACS800-01-0011-5 ABB 2TLA040001R0000 ABB ACS800-01-0003-3 ABB 2TLA040001R1400