ABB 2CDS273317R0157 S203UPK05 MCB TP K05 UL489 480V UL489 American Standard Mcbs Description Description ABB 2CDS273317R0157 S203UPK05 MCB TP K05 UL489 480V UL489 American Standard Mcbs Related products ABB 2TLA040037R1300 ABB FPR3600227R1202 ABB ACS60100203 ABB 1SFN075112R1000 ABB 3BSE008508R1 ABB ACS601-0100-3