The Lovato line of B contactors is compact, reliable and has a wide range of accessories to fit any electrical need. Each contactor can be outfitted with up to 3 auxiliary contact blocks to give you an additional 8 poles. Also, an overload relay can be directly mounted to the load side of each B series contactor or wired separately via a panel mounted overload. These Lovato contactors are UL, IEC and CSA certfied to be used in any application in North America.