Accessories for Group Motor InstallationBus bar system 45mm ( for 4 MPW without side mouting auxiliary contacts)Part # BBS45-4DocumentsWeg MPW Catalog Related Products Quick view BBS45-5 Motor protective circuit breaker Quick view BBS45-3 $13.65 MSRP: $35.00 Motor protective circuit breaker Quick view BBS45-2 $12.48 MSRP: $32.00 Motor protective circuit breaker MPW18/40 Quick view PLMP $0.20 MSRP: $0.50 Manual motor protector Quick view HM2P250K5WM01S10YC $3,140.31 MSRP: $5,037.58 Motor Circuit Protector