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 $27.66 MSRP: $60.00 Motor protective circuit breaker Quick view BBS45-3 $16.14 MSRP: $35.00 Motor protective circuit breaker Quick view BBS45-2 $14.75 MSRP: $32.00 Motor protective circuit breaker MPW18/40 Quick view PLMP $0.23 MSRP: $0.50 Manual motor protector Quick view SRMPD59 Manual Motor Protector