Low-voltage Distribution Equipment for Mines
06-12 2025 | By:
Mining General Low Voltage Switchgear
The low-voltage power distribution device for mines is a power distribution device designed for mine environments. It has the characteristics of explosion-proof, dust-proof, and moisture-proof. It can provide safe and reliable low-voltage power supply for mine power equipment, lighting systems, and monitoring equipment under harsh conditions. Its modular design facilitates installation and maintenance, and it also has protection functions such as overload, short circuit, and leakage. Some products also support remote monitoring and intelligent management, and are widely used in coal mines, metal mines, and other scenarios.
Main parameters
Rated voltage: 380V, 660V, 1140V
Rated current: 50A~630A
Protection level: IP54 or above
Working environment temperature: -20℃~+40℃
Implementation standards
GB 3836
Explosion-proof electrical equipment for explosive environments
GB/T 12173
General electrical equipment for mining
GB/T 14048
Low-voltage switchgear and control equipment
GB 4208
Enclosure protection level (IP code)
MT/T 658
General technical conditions for explosion-proof low-voltage distribution devices for coal mines
IEC 60079
Electrical equipment for explosive environments
Scope of application
Low-voltage distribution devices for mining are widely used in coal mines, metal mines, non-metal mines and other mining sites, and can provide safe and reliable low-voltage power supply for power equipment (such as conveyors, motors, water pumps), lighting systems, ventilation, drainage and other equipment in mines. Its design can also meet the needs of ground mining facilities and temporary power use scenarios, especially suitable for complex and harsh environments, ensuring the stable operation of the power supply system.
Product Description
1. Flexible functions: The primary scheme is diverse, and the internal circuit can be arbitrarily combined to meet the needs of feeding, communication, power factor compensation and lighting.
2. Advanced technology: It adopts domestic advanced 660V (380V) and 127V voltage level oil-free electrical components, with high breaking capacity and stable and reliable performance.
3. Safety protection: Equipped with an electrical interlocking circuit to effectively prevent the misoperation accident of the load-connected disconnector. The cable entry device prevents torsion, pull-out and damage, and provides convenient grounding bolts.
4. Reliable structure: The busbar layout spacing and supporting insulators have sufficient dynamic thermal stability. The electrical clearance and creepage distance of electrical components meet the requirements of relevant regulations.
5. Grounding device: Equipped with reliable internal and external grounding devices to ensure the safe operation of the equipment.
6. Environmental adaptability: The performance of humidity and heat complies with the relevant provisions of GB3836 “Explosion-proof electrical equipment for explosive environments”, and is suitable for the harsh environment of mines.
Product features
Safe explosion-proof
It adopts the design of mining explosion-proof technology, suitable for flammable and explosive environments such as coal mines, and meets relevant national standards (such as GB 3836, etc.).
Strong and durable
The shell is usually made of high-strength metal or special anti-corrosion materials, with good moisture-proof, corrosion-proof and dust-proof properties.
Diverse functions
Supports power distribution, overload protection, short-circuit protection, leakage protection, monitoring and alarm functions, and adapts to the complex load requirements of mines.
Intelligent control
Some products are equipped with intelligent control systems, which can realize remote monitoring and management and improve operating efficiency.
Modular design
The structure is compact and easy to install, maintain and expand.
You may also find these interesting:
