Features: Contactor will replace your bad contactor to provide power to compressor and condenser to turn your unit on and off, control flows of electricity to all parts of your unit and get it to work again. Silver alloy has a high conductivity rating, temperature strength, and corrosions resistance. Plastic surfaces helps prevent people from touching the contact directly and may also protect the contact against dust and rainwater. Copper coil, precise winding. Good heat dissipation effect and more stable performances. Suitable for welding machines, lighting equipment, electric furnaces, and electric motors. Specifications: Component: Plastic voltages: 220V/380V(Optional) Size: about 86x57mm/3.39x2.24inch Contact form: Normally open Installation way: guide rails, screw installation Wiring capacity: 4-10mm² working current: 32A insulation voltages: 690V Upper limit of operating frequency: 3500 times/hour switches on power factor: 0.8 New power factor: 0.3 Package Includes: 1pc Contactor note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.