Specifications and Models of Distribution Cabinets and Boxes

Distribution boxes and cabinets come in various models and specifications, including low-voltage fixed and withdrawable switchgear, modular enclosures, and fully equipped or empty cabinets, designed to meet diverse power distribution needs.

Common Models and Types

1. Low-Voltage Fixed Switchgear

• GGD Series: Used in substations and power plants; AC 50Hz, rated voltage 380V; high breaking capacity and stable performance .
• GDH Series: Similar to GGD, with manufacturer-specific parameters; suitable for stable power supply applications .
• PGL Series: Widely used in areas requiring reliable low-voltage distribution . 2. Low-Voltage Withdrawable Switchgear
• GCK Series: Comprises power distribution center cabinets and motor control centers; AC 60Hz, working voltage ~660V; ideal for motor control and lighting systems .
• GCS Series: AC 50Hz, rated voltage 400V; used in power plants, oil facilities, high-rise buildings .
• MNS Series: Compact, stable, suitable for industrial, mining, and building applications . 3. Modular and Standard Cabinets
• Service Entrance Boxes and Pillars: For primary power entry and distribution .
• Small Distribution Pillars and Cable Distribution Cabinets: Sturdy construction, DIN EN 61439/DIN 43629 compliant; available empty or fully equipped .
• Legrand XL3 Cabinets: Offer standard, optimized, and increased safety solutions; support up to 250A with flexible cabling and modular power blocks .

Key Specifications

• Dimensions: Vary by model; examples include 65 x 65 mm up to 361 x 254 mm for industrial enclosures .
• Number of Ways: Distribution boxes range from 1-way to 36-ways .
• Voltage Ratings: Typically 380V–660V for low-voltage systems; AC frequency 50–60Hz .
• Protection Ratings: IP-rated enclosures for dust and water resistance; glow wire tested for safety .
• Material Options: Steel, aluminum, or composite materials; copper or aluminum busbars for high-power outputs .
• Mounting and Installation: Wall-mounted, floor-standing, or pillar-mounted; modular design allows easy expansion and maintenance .

Applications

• Industrial Plants: Motor control, lighting, and machinery distribution.
• Commercial Buildings: Power supply for offices, high-rise buildings, and hotels.
• Utility and Substations: Reliable low-voltage distribution and protection.
• Renewable Energy Systems: Integration with solar or wind power distribution networks.

Additional Features

• Customizable Configurations: Empty enclosures allow user-specific equipment installation; fully equipped cabinets reduce installation time .
• Safety and Maintenance: Withdrawable modules, balanced phases, and service continuity ratings enhance operational safety .
• Standards Compliance: Conformity with DIN EN 61439, IEC standards, and national regulations ensures reliability and interoperability . These specifications and models provide flexibility for diverse electrical distribution needs, from small-scale residential setups to large industrial power systems.