ABB MCU2AB2V2-4 Description Description ABB MCU2 20-63A 380-690V Uaux2=230VAC OT/OETL Accessories Related products ABB FPR3600227R1202 ABB 2TLA042021R8000 ABB 3BSE008516R1 ABB 2TLA042023R0100 ABB 3BSE008508R1 ABB 2TLA040037R1300