Application

XL-21 type low-voltage power distribution cabinet is used in power station and industrial enterprises, AC voltage of 500V and below the three-phase four-wire or three-phase five-wire system for power distribution. XL-21 type low-voltage distribution box is indoor device against the wall to install, screen should be maintenance.

Type and meaning

2. program No

●design code

●power

●control box

Structural characteristics

XL-21 type low-voltage power distribution cabinet is closed; shell is made by bending plate, operating handle of the knife switch in the top of the right part before the cabinet,can be used as change the power. Cabinet has a voltage meter, just confluence bus voltage. Cabinet has a door, when open; all parts can be seen and easy for maintained. All components is designed internally, with compact structure, easy maintenance, line programs can be flexibly combined features. Cabinet installation except air circuit breaker and fuse but also contactor and thermal relay, the front indoor can installation operation pushbutton indicator.