XL-21 Low-voltage power distribution cabinet

The XL-21 type low-voltage power distribution cabinet is suitable for use in power distribution in power plants and industrial and mining enterprises, in three-phase four-wire systems with an alternating current voltage of 500 volts or less. 

The XL-21 type low-voltage power distribution box is an indoor device that is installed against the wall and is accessible for maintenance in front of the panel.

Structural Features

The XL-21 low-voltage power distribution cabinet is of a closed type. The enclosure is made of steel plates and is formed by pressing. The operating handle of the knife switch is installed on the upper part of the right column on the front side, which can be used for switching power supplies. A voltmeter is installed in front of the distribution box to indicate the voltage of the busbar. There is a door in front of the distribution box, and when the door is opened, all the equipment inside the box is exposed, making it convenient for maintenance and repair. This distribution box adopts domestically designed components and has the characteristics of a compact structure, convenient maintenance, and flexible combination of circuit schemes. In addition to the air circuit breaker and fuse installed as short-circuit protection, the distribution box also has contactors and thermal relays. The front door of the box can be equipped with operation buttons and indicator lights.

Functions and Features

1. Quality management system ISO 9001: 2015

The operation of the whole system is strictly controlled and managed. This ensures the quality of products in all stages, from receiving customer requests to design, materials, production, installation, testing, packaging, delivery, after-sales, all of which operate under strict and logically linked processes.

2. Environmental management ISO 14001: 2015

Pioneered the application of the environmental management system ISO 14001: 2015. The implementation of this process is a testament to  responsibility to a wide range of customers. Commit to providing high-quality technical products that are most environmentally friendly.

Basic Parameter