What is the function of the knife switch?
Switch main circuit for converting a set of connected devices to another group of connected devices. Using the knife switch structure called knife switch; the stacked contact element into the rotation operation, called the combination switch.The commonly used knife switch HD type single throw switch, HS type double throw switch (knife switch), HR type fuse knife switch, combination switch, HK type HZ type HY type switch, reverse switch and HH type iron switch.
The knife switch is provided with a movable contact, the knife, and through it with the static contact - knife on the base holder are wedged (or separation), to turn on (or off) a switch circuit. The fuse as a moving contact, called fuse knife switch, short fuse knife switch.
The knife switch also called knife switch or switch, it is the most simple manual appliances use a wide low-voltage electrical switch in the circuit. The function is: isolated power supply, to ensure that the circuit and equipment maintenance safety; breaking load, low voltage circuit such as frequent switch on and off small capacity or start small capacity motor.
