Common Industrial Distribution Box Models and Specifications

Industrial distribution boxes come in various models such as GGD, GDH, PGL, GCK, GCS, and MNS, each designed for specific voltage, phase, and application requirements.

Overview of Distribution Boxes

A distribution box (DB Box), also known as a panel board or breaker panel, is a central hub for distributing electrical power from a main supply to multiple circuits. It houses protective devices like circuit breakers, fuses, and residual current devices (RCDs) to ensure safety and prevent overloads or short circuits.

Industrial D

B Boxes are designed for higher power loads, durability, and compliance with safety standards ( ). Common Industrial Models and SpecificationsLow-Voltage Fixed SwitchgearGGD Series: Used in power plants and substations; AC 50Hz, rated voltage 380V; high breaking capacity and stable performance.

GD

H Series: Similar to GGD, with variations depending on manufacturer; used for stable low-voltage power distribution.

PG

L Series: Widely applied in areas requiring reliable power supply; AC 50Hz, low-voltage fixed switchgear ( ).

Low-

Voltage Withdrawable SwitchgearGCK Series: Composed of power distribution center cabinets and motor control centers; AC 60Hz, working voltage ~660V; suitable for motor control and lighting equipment.

GC

S Series: AC 50Hz, rated voltage 400V; used in power plants, oil facilities, high-rise buildings.

MN

S Series: Compact, stable, and versatile; suitable for industrial, mining, and commercial low-voltage distribution systems ( ). Types Based on Installation and PhaseSurface-Mounted DB Boxes: Installed directly on walls; ideal for industrial retrofits.

Flush-

Mounted D

B Boxes: Embedded in walls; commonly used in commercial buildings.

Pole-

Mounted D

B Boxes: Designed for outdoor applications like street lighting.

Single-

Phase D

B Boxes: Suitable for residential or small commercial loads.

Three-

Phase D

B Boxes: Used in industrial facilities requiring higher power capacity ( ).

Specialized Distribution Boxes

Lighting Distribution Boxes: Dedicated to lighting circuits. Power Distribution Boxes: Support heavy machinery and equipment. Control Distribution Boxes: Integrate relays, contactors, and timers for automation ( ).

Key Technical Specifications Voltage Ratings: Typically 380V–660V AC for industrial applications. Frequency: 50Hz or 60Hz depending on regional standards. Protection Features: Circuit breakers, RCDs, surge protection devices (SPDs), and fuses. Material and Enclosure: High-quality metal or plastic enclosures with chemical and heat resistance; IP ratings vary for indoor/outdoor use ( ). Dimensions: Vary by model; common sizes range from compact units (65 x 65 mm) to large industrial cabinets (361 x 254 mm) ( ). Selection Considerations When choosing an industrial distribution box, consider: Load requirements: Single-phase vs. three-phase, total current capacity. Environmental conditions: Indoor, outdoor, chemical exposure, temperature. Safety compliance: Adherence to local and international standards. Maintenance and accessibility: Ease of installation, wiring, and future expansion ( ). Industrial distribution boxes are critical for safe, reliable, and efficient power distribution in factories, commercial buildings, and utility installations. Selecting the right model ensures long-term performance and compliance with safety regulations.