380V Four Wire Power Distribution Cabinet XL-21 Three Phase Distribution Box

XL-21 power power distribution cabinet

Product name: XL-21 power distribution cabinet
Classification: low-voltage complete equipment series

Product overview

The type XL-21 low-voltage power distribution cabinet is suitable for power plants and industrial and mining enterprises for power distribution in a three-phase four-line or three-phase five-line system with an AC voltage of 500 V and below.The XL-21 low-voltage power distribution box is installed against the wall and repaired in front of the screen.

Model meaning

Design feature

The XL-21 low-voltage power distribution cabinet is closed, and the shell is made of steel plate bending. The knife switch operation handle is installed in the upper part of the front and right column of the box, and can be used as a switching power supply.A voltage meter is installed in front of the distribution box indicating the voltage of the bus line.There are doors in front of the distribution box. After the door is opened, all the equipment in the distribution box is open for maintenance and maintenance.The distribution box adopts domestic self-designed components, with compact structure, convenient maintenance and flexible combination of line scheme.Distribution box in addition to the air circuit breaker and fuse as short circuit protection, but also equipped with contactor and heat relay, box front door can be equipped with operation buttons and indicators.

Regular service conditions

• Ambient temperature: -50℃ ~ + 40℃, and the average temperature within 24h does not exceed + 36℃;
• Elevation: not more than 2,000 m;
• Relative humidity: No more than 50% when the ambient air humidity is + 40℃;
• At low humidity, there can be high relative humidity (e. g., 90% at + 20℃), considering that the change in temperature allows for moderate condensation: the inclination of the equipment to the vertical surface should not exceed 5, and the equipment should be installed in places without severe vibration, shock and corrosion.

Use, maintenance, and overhaul

The power distribution box shall be installed or repaired with the following inspection and tests before being put into operation (inspection and test after maintenance, depending on the quality of the maintenance).

Check whether the electrical equipment and secondary wiring installed in the power distribution cabinet meet the requirements of the

drawings.Check whether the knife and air switches for operation are flexible and there should be no rolling shape.Check whether the contact of the electrical equipment installed is good and meets the use requirements of the electrical equipment itself.Check whether other foreign bodies and the solid screws are loose.

Ordering instructions

The customer shall provide the following information upon placing the order:

Primary line scheme and single-line system diagram;

System diagram of secondary line expansion; detailed specifications and data of various electrical equipment installed in each box; arrangement and layout of power distribution cabinet shall be provided when ordering type B structure.

Sichuan Baikong Electrical Technology Co.,Ltd has perfect testing equipment and strict testing standards, perfect management and operation and quality assurance system. The company adheres to the enterprise purpose of synchronizing with the world and win-win with customers, adhering to scientific management, loyal to design, pioneering and innovation, and tree corporate image Business philosophy, and fully understand customer needs, do the customers think, with customers to create, win-win best control electrical staff continuously forge ahead The spirit of pragmatic innovation, serving the power construction at home and abroad to compose the new chapter The control electrical products successively in the national key projects and large enterprises are widely used, and to get the customer the consistent approval .

Sichuan Baikong Electric Technology Co., Ltd sincerely look forward to the presence and cooperation of old and new customers and win-win new future together.