ABB 1SAR502040R0004 Description Description ABB C579 CONTACT EXPANSION UNIT Related products ABB 2TLA040001R1200 ABB 1SFN075112R1000 ABB 2TLA040001R0000 ABB 2TLA040037R0800 ABB FPR3600227R1202 ABB 2TLA042023R0100
