Xl-21 power distribution box is a new type of component designed by hongsu electric in China. The enclosure is made of steel plate, which is compact in structure, convenient in maintenance and flexible in combination of circuit schemes.Distribution in addition to outside air circuit breaker and fuse as open circuit protection, can also be equipped with contactor and thermal relay, can carry action button and the indicator light boxes at the front door and need to match the knife switch, the knife switch handle in the upper box right column before operation, could be used as a switching power supply, power distribution box front door, the door opened, power distribution box all equipment exposed, convenient for maintenance.
XL - 21 power distribution box is closed dust-proof, shell with steel plate bending, knife fuse combination switch operating handle box before the upper right column, could be used as a switching power supply, in front of the distribution box is equipped with a voltmeter, instructs the bus-bar mother: voltage, distribution box front door, the door opened, distribution box exposed internal equipment, convenient for maintenance.
The power distribution boxes of the xl-21 type all adopt new electrical components, which are compact in structure, convenient in maintenance and flexible in circuit schemes. Apart from the short circuit protection functions of air circuit breaker and fuse, the power distribution boxes also have the functions of warning of over-voltage and under-voltage, and the front door of the boxes can be equipped with indicating meters, operation buttons and indicating lights.