... class B or F insulated,single or 3 phase 3)evaporator,air cooler,freezer... 1. An ... motors have two kinds, single phase asynchronous capacitor fan motor and three phases asynchronous fan motor. They ... voltage of the single phase motor is 120V/60Hz, 220V/50Hz. The voltage of three phases motor is 380V ... technology center... UL approval axial cooling fan three phase,air conditioner indoor fan motor