... 3-flameproof; 4-waterproof/motor coated with plastics; 5-Used for refrigerator,freezer,etc specificationpower connection: 110-240V, 50/60Hz;Speed ... casting: 99.7-99.9%;Electric strength level: 1800V ac for 1s mian application: ventilator, heater, freezer blower,oven, humidifier, ... are glad to send you our latest price and samples for your reference.Tip3: Customised products and design are available.. ...