MC-9b-AC120 3-pole contactor rated for 3 H.P. @ 230 volt, 5 H.P. @ 460 volt 3 phase and has a 120 volt AC rated coil. This 9 AMP AC-3 contactor (25 AMP AC-1) comes with screw terminals, can be mounted on DIN rail or screwed to the panel back plate and comes with one side mounted auxiliary contact having 1 normally open and 1 normally closed contact set. Motor protective thermal overload relays can be added to the bottom of the Metasol MC-9b-AC120 contactor for complete motor protection. The manufacturer recommends this contactor as a replacement for the obsolete GMC-9 series.