Product Introduction
The Power Distribution Cabinet Body manufactured by Guangdong Baihao Electric Co., Ltd. is a durable enclosure designed for low-voltage industrial and commercial switchgear systems. It provides reliable protection and organized installation for electrical components such as ACBs, MCCBs, copper busbars, metering devices, and protection relays, ensuring safe operation and long-term performance.
Key Features
High Mechanical Load Capacity: Engineered structural framework utilizing high-tensile cold-rolled steel or stainless steel, designed to sustain heavy internal component configurations (e.g., heavy-gauge copper busbar systems up to 4000 A) without structural deflection.
Precision Modular & Welded Designs: Available in both fully welded rigid frame options and modular knock-down frame configurations for easy international shipping, rapid site assembly, and flexible internal space planning.
Comprehensive Environmental Protection: Precision-engineered sealing gaskets and door designs deliver scalable protection ratings (from standard indoor IP30/IP40 up to IP55/IP66 for harsh outdoor or wash-down conditions).
Superior Thermal & Electrical Management: Integrated ventilation louvers, optional forced-air cooling cutouts, and pre-punched mounting locations ensure optimized airflow and efficient thermal dissipation under continuous high-load operations.
Safety-First Grounding Integration: Complete structural continuity with dedicated copper/galvanized grounding bars and bonding studs to safeguard personnel and equipment against ground fault hazards.
Technical Specifications
|
Parameter |
Technical Specification |
|
Product Name |
Power Distribution Cabinet Body / Switchgear Enclosure |
|
Manufacturer |
Guangdong Baihao Electric Co., Ltd. (Est. 2018) |
|
Facility Size |
1,200 m² Sheet Metal Fabrication Base |
|
Primary Material |
Cold Rolled Steel (SPCC), Galvanized Steel (SECC), Stainless Steel (SS304 / SS316) |
|
Sheet Thickness |
Frame: 2.0 mm–2.5 mm; Doors/Panels: 1.5 mm–2.0 mm; Mounting Plate: 2.0 mm–3.0 mm (Customizable) |
|
Rated Operating Voltage |
≤ 690 V AC / 1000 V DC |
|
Rated Current Capacity |
Up to 4000 A (Supported by busbar clearance engineering) |
|
Ingress Protection (IP) |
Standard: IP30 / IP40; Outdoor/Heavy Industrial: IP54 / IP55 / IP65 / IP66 (Customized) |
|
Impact Protection Rating |
IK09 / IK10 |
|
Surface Finish |
Electrostatic Epoxy-Polyester Powder Coating / Hot-Dip Galvanizing / Passivated Stainless |
|
Standard Color |
RAL 7035 (Light Grey); Custom RAL colors available upon request |
|
Installation Type |
Floor-standing with rigid plinth / Wall-mounted / Modular multi-bay lineup |
|
Cable Entry Access |
Bottom entry, top entry, or removable gland plates (aluminum/brass/plastic) |
|
Compliance Standards |
IEC 61439-1/2, GB/T 7251.12, ISO 9001:2015 |
Cabinet Structure & Design
Reinforced Frame Assembly: Constructed from cold-formed profile steel or welded square tubing, providing rigidity against seismic vibrations and heavy component loads.
Access Door System: Heavy-duty front/rear doors mounted with 120° or 180° hidden hinges, polyurethane foam-in-place sealing gaskets, and multi-point locking mechanisms for security.
Internal Mounting Elements: Depth-adjustable mounting plates, DIN-rail mounting channels, and functional compartment separation barriers (Form 1 to Form 4 internal segregation options available).
Cable Gland Management: Modular top and bottom cable gland plates with sealing grommets enable clean, organized cable installation and entry sealing.
Materials & Surface Treatment
Material Selection Matrix
Cold-Rolled Steel Plate (SPCC): Ideal for standard indoor commercial switchgear rooms.
Galvanized Steel Plate (SECC/SGCC): Enhanced edge corrosion resistance; suitable for humid industrial plants and indoor environments with condensation risks.
Stainless Steel (SS304 / SS316L): Premium grade for harsh chemical environments, offshore platforms, food processing facilities, and coastal outdoor installations.
Surface Finishing Process
Pre-Treatment Routine: Multi-stage degreasing, acid pickling, rust removal, and zinc-phosphate conversion coating.
Electrostatic Powder Coating: Thermosetting powder spray (60–100 μm coating thickness) cured at high temperature to provide scratch resistance, UV stability, and salt-spray corrosion protection.
Color Customization: Standard finish in RAL 7035 or RAL 7032, with custom color matching available via RAL/PANTONE codes.
Manufacturing Process
3D CAD/CAM Design & Simulation: Structural optimization and thermal flow check using SolidWorks and AutoCAD according to client electrical drawings.
Precision CNC Fiber Laser Cutting: Precision metal blanking to ensure exact aperture sizing and edge finish.
CNC Servo Bending: Multi-axis bending to achieve structural tolerances within ±0.2 mm.
Robotic & TIG/MIG Welding: Precision spot and continuous welding to maintain frame squareness and joint strength.
Automated Pre-treatment & Powder Coating: Continuous automated line ensuring uniform paint thickness and corrosion barrier coverage.
Structural Assembly & Hardware Fitting: Installation of door hinges, locking systems, sealing gaskets, plinths, and grounding bars.
Quality Control & Testing
Raw Material Verification: Chemical composition analysis and thickness gauge checks on incoming sheet metal coils/plates.
Dimensional & Geometry Inspection: Diagonal squareness checks, aperture size verification, and mounting hole pitch measurements.
Coating Quality Audits: Coating thickness measurement (Dft gauge), cross-hatch adhesion testing, and glossiness checks.
Mechanical Integrity Testing: Door swing endurance tests, lock mechanism engagement verification, and load deflection tests.
IP Protection Checks: Foam gasket compression and water/dust intrusion barrier testing.
Customization Services
Dimensional Tailoring: Fully customizable height, width, depth, and modular expansion configurations.
Custom Punching & Cutouts: Laser-cut openings for digital meters, HMI touchscreens, indicator lights, circuit breaker handles, and fan louvers.
Internal Compartmentalization: Custom Form 2b, Form 3b, or Form 4 internal separation barriers to isolate busbars from functional breaker units.
Private Labeling & Branding: Laser-engraved stainless steel nameplates, screen-printed corporate logos, and custom colorways.
Product Applications
Heavy Industrial Manufacturing: Steel mills, chemical processing facilities, automotive assembly plants, and paper mills.
Commercial & Public Infrastructure: High-rise office towers, shopping centers, hospitals, airports, and railway stations.
Energy & Power Utilities: Distribution substations, renewable energy (solar/wind) collector stations, and generator backup power systems.
Data Centers & Telecom: Main low-voltage distribution rooms, PDU housing, and UPS bypass switchgear units.
Certifications & Compliance
ISO 9001:2015: Quality Management System Certified.
IEC 61439-1 / IEC 61439-2: Low-voltage switchgear and controlgear assemblies (enclosure structural design compliance).
GB/T 7251.12: National standard compliance for low-voltage power switchgear enclosure assemblies.
RoHS Compliance: Environmentally friendly powder coating materials free from hazardous substances.
Why Choose Baihao Electric
Engineering-Driven Prototyping: Rapid 2D/3D drawing approval within 24–48 hours, with quick prototype production turnarounds.
Global Export Standards: Enclosures are packaged in export-grade reinforced wooden crates with corner protection and vacuum moisture wrapping for overseas ocean shipping.
End-to-End Technical Support: Continuous engineering assistance from initial RFQ and drawing optimization to field assembly guidance.
FAQ
