phase linear 700 phase linear 700b 7.5 hp single phase motor phase linear 700 series 2 75 kva 3 phase transformer 7.5 hp 3 phase motor 7.5 hp electric motor single phase 7 1/2 hp electric motor single phase 700/800 mhz radio p25 phase 2 7.5 hp single phase motor 1750 rpm