... flameproof; 4-waterproof/motor coated with plastics; 5-Used for refrigerator,freezer,etc specificationpower connection: 110-240V, 50/60Hz; ... : 99.7-99.9%;Electric strength level: 1800V ac for 1s mian application: ventilator, heater, freezer blower,oven, humidifier ... , exhausting fan, refrigerator, etc.Tip1: Before ordering, pls let us know ...