Low Voltage distribution panel
MDB (Main Distribution Board) is the core power distribution equipment in building electrical systems, serving as the main control center of the entire distribution network. It is responsible for power reception, distribution, control, and protection. This product adopts a modular design with rated current ranging from 400A to 6300A, suitable for various commercial buildings, industrial facilities, and large residential projects, providing safe, reliable, and efficient power distribution solutions.
Detailed Technical Specifications
Parameter Category | Technical Specifications |
Rated Characteristics | Rated Current: 400A, 630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 3150A, 4000A, 5000A, 6300A |
Short-circuit Performance | Rated Short-time Withstand Current: 50kA-100kA/1s |
Protection Degree | IP31, IP41, IP42, IP54 (Optional) |
Enclosure Material | 2.0-3.0mm premium cold-rolled steel |
Construction Types | Fixed, Plug-in, Withdrawable (Can be mixed configuration) |
Busbar System | Horizontal Busbar: Copper or aluminum (According to current rating) |
Compliance Standards | IEC 61439-1/-2, GB 7251.1, UL 508A |
Key Product Features
1.Modular Flexible Design
Standardized modular structure supporting multiple functional unit combinations
Expandable design for future capacity increase and modification
Multiple installation methods: Wall-mounted, Free-standing, Cabinet combination
Flexible cable entry/exit: Top entry/exit, Bottom entry/exit, Side entry/exit
2.High Reliability Protection System
Main circuit breaker protection: Air circuit breaker or moulded case circuit breaker
Graded protection: Coordinated protection devices at all levels
Overload and short-circuit protection: Precise protection characteristic curves
Earth fault protection: Complete earthing system design
3.Intelligent Monitoring Functions
Energy management: Integrated energy meters for consumption monitoring
Status monitoring: Real-time monitoring of electrical parameters and equipment status
Remote control: Support for remote operation and automatic control
Data communication: Multiple communication protocols (Modbus, Profibus, Ethernet, etc.)
4.Safety Protection Design
Five protection functions: Prevent misoperation and access to live compartments
Isolation design: Complete separation between functional units
Arc flash protection: Internal arc fault protection design
Emergency operation: Emergency trip and isolation functions
5.Quality Manufacturing Process
Precision machining: CNC equipment processing ensures dimensional accuracy
Strict inspection: Strict quality control at every process
Type testing: Full type test verification
Life testing: Mechanical and electrical life testing
Typical Applications
High-rise buildings: Main distribution systems for office buildings, hotels, apartment buildings
Industrial plants: Main distribution centers for manufacturing factories, production workshops
Commercial centers: Power distribution systems for shopping malls, supermarkets
Public facilities: Distribution systems for hospitals, schools, airports, stations
Infrastructure: Data centers, communication rooms, water treatment plants
Optional Configurations
Basic Type: Standard configuration meeting basic distribution requirements
Enhanced Type: Additional intelligent monitoring and protection functions
Custom Type: Customized design solutions based on special requirements
Explosion-proof Type: Suitable for explosive atmospheres
Outdoor Type: Fully sealed design for outdoor installation
