Power Distribution Box

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The XL-21 (M) type power distribution box is applicable to IT system, TN-C system, TT system (three-phase three-wire or three-phase four-wire power system) with AC frequency 50Hz and voltage 500V or lower. It is used in industrial and mining enterprises for power, lighting and distribution control.

Type Description

Structural Features
1. The shell of this closed type power distribution box is made of bended steel plate. The operating handle of knife switch mounted in the upper right part of the box front is used for switching power supply. In front of the box, there is a voltage meter for indication of the voltage between the busbars, also a door for easy repair and maintenance of the inside components when opened.
2. The product is characterized by high quality components, compact structure, flexible combination of circuit schemes, etc. It is equipped with air circuit breaker and fuse as short-circuit protection, also contactor and thermal relay. The front door can be installed with operating buttons and lights.
3. This electrical box measures up to the executive standard of GB7251 and protection class of IP43. It is designed with electrically welded structure and single-leaf door. Customized design is also available.

Outline and Installation Size
The outline dimensions are shown in Figure 1 and Table 1.
The mounting dimensions are shown in Table 2.

Table 1
ModelABC
XK-21-A6001600370
XK-21-B7001700470
XK-21-C7001700470
Table 2
EDFH
600400310350
700500310350
700500410450

As an experienced power distribution box manufacturer based in China, TS213 offers a comprehensive range of products that includes single pole normally closed DC contactor, miniature breaker, low voltage switch cabinet, and more.

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