ABB S501-D50 Description Description ABB S501D50 SP MCB D50A 50kA S800 and S500 Related products ABB 1SFN075112R1000 ABB 2TLA040037R1000 ABB 3BSE008510R1 ABB ACS550-01-038A-4 ABB 3BSE013230R1 ABB 2TLA040037R0800