H5144 magnetic motor starter nema size 1p amps ac 36 coil volts 120vac enclosure nema rating 1 action nonreversing number of poles 2 hp @ 1 phase - 120v 3 hp @ 1 phase - 230v 5 height 10 in. Width 6 in. Depth 5.56 in. Standards ul listed/csa certified