Product Overview
Engineered for industrial and commercial facilities, this low-voltage power distribution cabinet manages incoming electrical supply, safeguards downstream circuits, and distributes power reliably. Built to project specifications, the cabinet accommodates modular circuit breakers, switch-disconnectors, and metering components within a robust sheet-steel enclosure. Designed for direct integration into facility power distribution architectures requiring high operational safety and service continuity. Accommodates both IEC-compliant projects and UL/ANSI-aligned configurations based on regional project specifications.
Technical Specifications
|
Parameter |
Specification Details |
|
Rated Operational Voltage (Ue) |
Up to 690V AC (IEC) / Up to 600V/480V AC (UL 891 aligned), 50/60Hz |
|
Rated Insulation Voltage (Ui) |
1000V AC |
|
Rated Current (In) |
Up to 6300A (Main Busbar) |
|
Short-Time Withstand (Icw) |
Up to 100kA for 1s |
|
Enclosure Protection |
IP31 to IP54 (IEC 60529) / NEMA 1 to 12 equivalents available |
|
Internal Separation |
Form 1 through Form 4b (IEC 61439-2) |
|
Busbar Material |
Electrolytic copper (99.9% purity), tin or silver-plated |
|
Enclosure Material |
Cold-rolled steel sheet (1.5mm–2.0mm) with electrostatic epoxy powder coating (RAL 7035 standard) |
|
Standard Compliance |
IEC 61439-1/-2, CE certified; optional UL 891 structural alignment |
Key Features
Modular Internal Architecture: Compartmentalized layout separates functional units (incoming, outgoing, busbar, and cable compartments) to isolate faults and restrict arc propagation.
Optimized Thermal Management: Integrated ventilation louvers and computational fluid dynamics (CFD)-verified clearances prevent localized overheating under continuous full-load conditions.
High-Conductivity Busbar System: Silver-plated joints and torque-marked bolted connections minimize contact resistance and reduce operational temperature rise.
Cable Access Flexibility: Removable top and bottom gland plates support top-entry or bottom-entry power cabling configurations.
Interlocking Safety Mechanisms: Mechanical padlocking facilities on door handles and breaker operation interlocks prevent accidental access to live parts.
Applications
Industrial Plants: Motor control centers and secondary distribution boards for manufacturing machinery lines.
Commercial Real Estate: Main low-voltage distribution boards (MLVD) for high-rise office buildings, shopping complexes, and data center auxiliary rooms.
Infrastructure & Utilities: Water treatment facilities, pump stations, and transportation terminal power rooms.
Customization
Manufactured according to single-line diagrams (SLD), layout schematics, and project-specific dimensional constraints. Available engineering modifications include:
Enclosure Dimensions: Non-standard height, width, and depth configurations for restricted plant room spaces.
Component Integration: Accommodation of air circuit breakers (ACBs), molded case circuit breakers (MCCBs), automatic transfer switches (ATS), and power meters from specified tier-one brands (Schneider, ABB, Siemens, Eaton, or client-supplied equivalents).
Surface Finish: C5-M marine-grade corrosion protection coatings or specialized color coding (RAL color chart).
Control Logic: Integration of PLC modules, multi-function meters, and Modbus/Profibus communication interfaces.
Manufacturing & Quality Control
Production operations utilize precision sheet metal processing equipment, automated CNC punching machines, and hydraulic bending centers to maintain structural tolerances. Copper busbars are processed via CNC punching and bending stations, followed by deburring and torque-calibrated assembly.
Quality control protocols follow a strict gate-check procedure:
Dimensional Verification: Laser measurement of enclosure frame squareness and door alignment against certified GA drawings.
Electrical Testing: Routine factory testing per IEC 61439, including dielectric property verification, continuity checks of the protective circuit, and operational sequence testing of mechanical interlocks.
Coating Adhesion Test: Cross-cut tape test and coating thickness gauge verification on painted panels.
Certifications & Documentation
Certificates: IEC 61439-1/-2 Type Test Reports issued by ILAC-accredited laboratories, CE Declaration of Conformity, ISO 9001 quality management system certification.
Shipped Documentation Package: As-built electrical schematics, general arrangement drawings, component data sheets, busbar torque logs, factory test reports (FAT), and routine maintenance instructions.
Packaging & Delivery
Packaging Method: Secured to heavy-duty fumigated wooden pallets, wrapped with anti-moisture vapor-phase corrosion inhibitor (VCI) film, and enclosed with external plywood crating to prevent transit damage. Lifting lugs and fork channels integrated into the base frame for safe rigging.
Lead Time: Standard production timeline runs 4 to 6 weeks following approval of final shop drawings. Sea freight and air freight options available with container loading optimization and complete export documentation.
FAQ
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