Engineering Project
XL-21 Low Voltage Power Distribution Cabinet
Low Voltage Switchgear Series
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- Detailed introduction
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- Commodity name: XL-21 Low Voltage Power Distribution Cabinet
The XL-21 low-voltage power distribution cabinet is suitable for power generation plants and industrial enterprises, used for power distribution in three-phase four-wire systems with an AC voltage of 500 volts and below. The XL-21 low-voltage power distribution box is an indoor wall-mounted device, designed for maintenance in front of the panel.
The XL-21 low-voltage power distribution cabinet is suitable for power distribution in power plants and industrial enterprises, used in three-phase four-wire systems with an AC voltage of 500 volts and below. The XL-21 low-voltage power distribution box is an indoor device installed on the wall, with maintenance performed in front of the panel.
Structural Features
The XL-21 low-voltage power distribution cabinet is a closed type, made of steel plate. The knife switch operating handle is located at the upper part of the front right column and can be used to switch power sources. The front of the distribution box is equipped with a voltmeter to indicate the bus voltage. There is a door at the front of the distribution box, which, when opened, exposes all equipment inside for easy maintenance. This distribution box uses domestically designed components, featuring a compact structure, convenient maintenance, and flexible circuit combinations. In addition to being equipped with air circuit breakers and fuses for short-circuit protection, it also includes contactors and thermal relays, and the front door can be equipped with operation buttons and indicator lights.
Main Equipment Technical Data
Knife Fuse Combination Switch
Model Rated Current (A) Fuse Rated Current (A) Remarks HR3-400/34 400 150, 200, 250, 300, 350, 400 No fuse when isolating knife is installed Air Circuit Breaker
Model Rated Current (A) Setting Current of the Disconnecting Device (A) Remarks MLM5-40/390 20 7, 10, 15, 20, 30, 40 MLM1-100/300 100 15, 20, 25, 30, 40, 50, 60, 80, 100 Current Transformer
Model Primary Current (A) Primary Current (A) Remarks LM-05 75, 100, 150, 200, 300, 600 5 Fuse
Model Fuse Fuse Rated Current (A) Remarks RL1-15 15 2, 4, 5, 6, 10, 15 RL1-60 60 20, 25, 30, 35, 40, 50, 60 RL1-100 100 30, 40, 50, 60, 80, 100 RL1-200 200 80, 100, 120, 150, 200 RL1-400 400 150, 200, 250, 300, 350, 400
| About Us

guangxi hongcheng ming electrical engineering co., ltd., is a professional engaged in electrical engineering construction, electrical products production and sales of private enterprises. The company is located in Nanning, the capital of Guangxi Zhuang Autonomous Region, with a registered capital of 42 million yuan. At present, the company has 2 senior engineers, 15 intermediate engineers, 1 first-class constructor, 8 second-class constructors, 28 registered personnel holding special work certificates and 60 intermediate technicians, with strong comprehensive strength.
The scope of the company's business license includes: construction professional operations, construction labor subcontracting; installation, maintenance and testing of power transmission, power supply, and power receiving facilities; special equipment inspection and testing; electrical installation services; special equipment design; special equipment installation, renovation and repair; power generation business, power transmission business, power supply (distribution) business, cement production, inspection and testing services (items subject to approval according to law, business activities can only be carried out with the approval of relevant departments, and the specific business projects shall be subject to the approval documents or license certificates of relevant departments); engage in investment activities, technical services, technology development, technical consultation, technology exchange, technology transfer and technology promotion with its own funds;
| Enterprise Strength
High-voltage switchgear
Photovoltaic distribution cabinet
Guangxi Hongchengming Electrical Engineering
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