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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
Technical Advantages
R&D Cloud Platform
R&D Cloud Platform
An integrated digital platform combining electromagnetic optimization design, parametric modeling, performance analysis, structural optimization, and automatic drawing generation. It enables transformer design resource sharing and efficient data management, including search, modification, and version control.
Simulation Analysis
Simulation Analysis
Comprehensive multi-physics simulation covering fluid flow, thermal field, electric field, leakage magnetic field, transient processes, and short-circuit forces. Each transformer series is optimized through thermal and flow analysis to accurately control winding temperature rise and hotspot distribution, ensuring reliable and stable performance.
Smart Operation & Maintenance Platform
Smart Operation & Maintenance Platform
By collecting key data such as temperature, current, voltage, vibration, and grid harmonics, the system enables real-time power quality analysis and fault alarms. It also supports mobile access for remote monitoring and intelligent O&M management.
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