630~6300A Electrical Distribution Box GCK LV Power Distribution Cabinet High Current

The GCK Series High-Current Switchgear is a premier power distribution solution engineered for primary low-voltage networks. Designed to handle massive electrical loads ranging from 630A to 6300A, this cabinet is the central nervous system for industrial plants, massive data centers, and power substations.

Constructed with a modular, high-strength frame, the GCK series provides a centralized hub for Air Circuit Breakers (ACBs) and heavy-duty feeders. Its architecture is optimized for continuous operation under high thermal stress, ensuring that your facility’s main power remains stable even at peak demand. With superior short-circuit withstand capabilities (up to 80kA), it is designed to isolate faults instantly, protecting both personnel and high-value downstream assets.

• High-Ampere Main Busbar System: Utilizing 99.9% pure T2 copper with optional silver plating at connection points. The busbar arrangement is engineered to manage the heat generated by 6300A loads while maintaining structural integrity during electromagnetic surges.

• Superior Short-Circuit Withstand (Icw): Rated for 80kA/1s, this switchgear is capable of surviving massive fault currents without mechanical deformation, ensuring the system can be safely reset after a fault is cleared.

• Modular Functional Units: The cabinet is strictly divided into four zones: Main Busbar, Functional Unit (Breakers), Cable Terminal, and Low-Voltage Control. This compartmentalization (up to Form 4b) prevents fault propagation between sections.

• Advanced Heat Dissipation: Designed with a natural convection system supplemented by intelligent, temperature-controlled forced-air cooling to maintain optimal operating temperatures for ACBs and copper joints.

• Rugged 8MF/C-Type Profile Frame: The chassis is built using CNC-punched, cold-rolled steel profiles, providing a precise, bolted structure that offers better seismic resilience than standard welded frames.

1. Industrial Heavyweight Facilities: Centralized power for steel mills, aluminum smelters, and petrochemical refineries.

2. Tier III & IV Data Centers: Providing a robust main incoming distribution hub for high-density server racks and cooling infrastructure.

3. Utility Substations: Serving as the low-voltage side of 35kV/10kV step-down transformers in municipal grids.

4. Major Infrastructure: Reliability-critical power management for international airports, seaports, and metropolitan rail networks.

• Bespoke Engineering: We specialize in custom-tailored busbar routing and cable entry configurations (Top, Bottom, or Side) to match your existing facility footprint.

• Tier-1 Component Integration: Every unit can be equipped with high-performance breakers from global leaders like ABB (Emax), Schneider (MasterPact), or Siemens, ensuring global serviceability.

• Pre-Shipment Testing: Every complete lineup undergoes rigorous Factory Acceptance Testing (FAT), including primary current injection, insulation resistance, and mechanical sequence testing.

• Future-Ready Monitoring: Integrated digital power analyzers with RS485/Ethernet ports allow for real-time monitoring of energy consumption, harmonics, and breaker health via SCADA systems.

Q: Can this cabinet be used in high-ambient temperature environments?

A: Yes. For desert or tropical climates, we utilize oversized busbars and enhanced forced-air cooling systems to ensure the equipment operates within its rated temperature rise limits per IEC standards.

Q: Is the 6300A rating for a single breaker or the whole busbar?

A: We offer both. We can provide a main incoming breaker rated at 6300A and a main horizontal busbar system designed to carry that full load continuously across the entire switchgear lineup.

Q: How is the cabinet shipped?

A: Given the weight and size of high-current cabinets, they are shipped in specialized "shipping splits" (1 or 2 cabinets per section) in reinforced, sea-worthy wooden crates for safe site re-assembly.

GCK/GCS/MNS Low voltage extraction switchgear

GCK/GCS/MNS Low-voltage extraction switchgear complete set of switchgear is suitable for AC 50Hz, rated working voltage 380V low-voltage distribution system. It contains the functions of power center (PC) and motor control center (MCC), the technical parameters are up to the national standards, with beautiful appearance, high electrical performance, high protection level, safe and reliable,easy maintenance and other characteristics, is the metallurgy, petroleum, chemical, electric power, machinery, light textile and other industries low-voltage power supply system distribution device.

This product conforms to IEC-439, GB7251.1 standard.