Features: 3 pole double throw, suitable for the voltage power of 380V 100A. The Closingswitch can be used to control the flow of electricity in a circuit, the cutter has an insulated handle to grip at one hand, current flows through the switch when the cutter is pushed into the jaw. Open Closingswitch was supplanted by safety switches with current carrying contacts inside a metal enclosure which can only be opened by switching off the power. Please pay attention to the voltage before ordering to make sure theClosingswitch can work successfully in your area.