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CEEG BXJ Mining Low-Voltage Protection Box - Flameproof and Explosion-Proof Electrical Protection Unit for Underground Mines
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Home  >  Products  >  Special Transformer  >  CEEG BXJ Mining Low-Voltage Protection Box
CEEG BXJ Mining Low-Voltage Protection Box
The BXJ mining low-voltage protection box is a flameproof low-voltage protection device used in mobile substations. It integrates short-circuit, overload, leakage, and interlock protection functions. With explosion-proof and flameproof characteristics, it can work in coordination with upstream circuit breakers to enhance the safety of underground low-voltage power systems.
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CEEG BXJ Mining Low-Voltage Protection Box - Flameproof and Explosion-Proof Electrical Protection Unit for Underground Mines
CEEG BXJ Mining Low-Voltage Protection Box - Flameproof and Explosion-Proof Electrical Protection Unit for Underground Mines
CEEG BXJ Mining Low-Voltage Protection Box - Flameproof and Explosion-Proof Electrical Protection Unit for Underground Mines
CEEG BXJ Mining Low-Voltage Protection Box - Flameproof and Explosion-Proof Electrical Protection Unit for Underground Mines
CEEG BXJ Mining Low-Voltage Protection Box - Flameproof and Explosion-Proof Electrical Protection Unit for Underground Mines
CEEG BXJ Mining Low-Voltage Protection Box - Flameproof and Explosion-Proof Electrical Protection Unit for Underground Mines
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Scope of application
Fully Mechanized Mining Low-Voltage Distribution
On-site low-voltage power supply, focusing on leakage and short-circuit protection
Fully Mechanized Mining Low-Voltage Distribution
Pump House & Ventilation Fans
Power supply for critical electromechanical loads, emphasizing interlock control and safety
Pump House & Ventilation Fans
Low-Voltage Circuits Requiring Local Distribution and Protection
Power distribution for mobile equipment systems
Low-Voltage Circuits Requiring Local Distribution and Protection
Product Description
Product Description
1 Multiple protection functions: overload, short circuit, leakage interlock, phase loss, over-temperature, gas interlock, emergency stop, etc.
CEEG BXJ Mining Low-Voltage Protection Box
2 Stable control: PLC + HMI system ensures accurate protection and easy maintenance.
CEEG BXJ Mining Low-Voltage Protection Box
3 Safer maintenance: continuous current setting with 1A step adjustment, supporting live maintenance requirements.
CEEG BXJ Mining Low-Voltage Protection Box
4 Intelligent operation and maintenance: self-check, diagnosis, inspection, and fault recording, providing clearer status information.
CEEG BXJ Mining Low-Voltage Protection Box
5 Compact structure: modular design with small size, reasonable layout, and intuitive operation.
CEEG BXJ Mining Low-Voltage Protection Box
6 Flexible customization service: in-house manufacturing allows customized design according to customer requirements, with flexible design and fast response.
CEEG BXJ Mining Low-Voltage Protection Box
Product Features
CEEG BXJ Mining Low-Voltage Protection Box

Design Features

  • Explosion-Proof Structure: Complies with mining flameproof standards for secure use in hazardous zones.
  • Flammable Environment Ready: Prevents ignition risks to ensure safe operation in explosive atmospheres.
CEEG BXJ Mining Low-Voltage Protection Box

Application Scope

  • Hazardous Location Ready: Perfectly suited for underground coal mines and zones with explosive gases or dust.
  • Explosion Mitigation: Engineered to prevent internal electrical faults from igniting the surrounding environment.
CEEG BXJ Mining Low-Voltage Protection Box

Main Functions

  • Provides power supply and control for mining power equipment, lighting systems, fans, and water pumps.
CEEG BXJ Mining Low-Voltage Protection Box

Installation & Maintenance

  • Flexible Installation: Supports both wall-mounted and floor-standing configurations to fit your space.
  • Easy Maintenance: Smart structural design facilitates quick routine servicing and fault diagnosis.
CEEG BXJ Mining Low-Voltage Protection Box

Interlock Protection

  • Advanced Interlocking: Equipped with leakage interlock, ventilation power interlock, and gas interlock functions.
  • Rapid Cut-Off: Quickly isolates the circuit during abnormal conditions to maximize underground electrical safety.
CEEG BXJ Mining Low-Voltage Protection Box

Modular Circuit Expansion

  • Flexible Circuit Configuration: Allows feeder and protection units to be added or removed by load zone.
  • Easy Upgrades: Enables effortless future system expansion and hassle-free maintenance replacements.
Main Parameters
Rated Voltage 1140V / 660V
Rated Frequency 50Hz
Rated Current 10A ~ 1250A
Control Mode PLC control + Human-Machine Interface (HMI)
Explosion Protection Level Ex d I Mb
Implementation Standard
Implementation Standard
GB 3836 Series General requirements and flameproof standards for electrical equipment in explosive atmospheres
GB/T 14048 Series Requirements for low-voltage switchgear and controlgear
MT 209 / MT 761 Technical specifications for mining flameproof electrical equipment
MA Certification Mining Safety Mark Certification required for underground coal mine equipment
Digital Intelligence &
Manufacturing Excellence
The Digital Twin:
Simulation & Intelligence
CEEG R&D Cloud Platform integrates multi-physics simulation (thermal, fluid, magnetic, mechanical) and cloud-based management for lifetime operational intelligence.
Precision Manufacturing & Testing
Every CEEG transformer is crafted under strict quality control, transitioning from precise design to final testing across modern production lines.
MODERN PRODUCTION & ASSEMBLY CENTRES
MODERN PRODUCTION & ASSEMBLY CENTRES
HIGH-EFFICIENCY CORE TECHNOLOGY
HIGH-EFFICIENCY CORE TECHNOLOGY
PRECISION COIL WINDING
PRECISION COIL WINDING
ROBUST STRUCTURAL INTEGRITY
ROBUST STRUCTURAL INTEGRITY
RIGOROUS FACTORY ACCEPTANCE TESTING (FAT)
RIGOROUS FACTORY ACCEPTANCE TESTING (FAT)
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