All Class A200 non-reversing starters contain block type B, three-pole overload relays with three current transformers. A200 sizes 5 and 6 starters contain an AC magnetically-operated size 5 or 6 line contactor and size 6 starters include a control relay with contacts to handle the coil current. Starter sizes 7, 8 and 9 contain a DC-operated line contactor, DC power supply and a control relay. All Class A200 starters are UL listed and recognised and are CSA certified.