GCK 引出配電盤キャビネット

Are you still troubled by the limited space in the distribution room? Or have you experienced a minor circuit failure that forced the entire production line to be shut down for maintenance, resulting in huge economic losses? Although traditional fixed cabinets are inexpensive, maintenance requires a complete power outage; while the high-end MNS system has excellent performance, its high cost often deters many projects.

The GCK Draw-out Distribution Cabinet from Junray Electrical is precisely designed to address this dilemma. We have abandoned the traditional large-sized drawer design and adopted an optimized 1/2 module unit. This design not only significantly reduces the floor space of the distribution room but also makes "power-off maintenance" possible, completely eliminating the anxiety of machine downtime caused by maintenance, and is the perfect choice for those projects that require both performance and budget.

Core Strengths

The core competitiveness of GCK Draw-out Distribution Cabinet lies in its dynamic operation and space utilization capabilities:

Ultra-high circuit density: Utilizing 1/2 modular drawer units, a single cabinet can accommodate up to 18 independent circuits, twice the capacity of traditional GCS cabinets. This means that with the same floor space, you can achieve double the power distribution capacity, significantly enhancing space utilization.

Achieving "zero downtime" maintenance: The drawer units feature clear "working, testing, separation" three-position mechanical interlocks. When a circuit fails, operators can easily remove the faulty drawer for maintenance like replacing a battery, while the adjacent circuits continue to operate normally, completely eliminating power outages throughout the line.

Optimal cost-effectiveness: Compared to the expensive MNS system, our GCK cabinets provide the same convenient operation experience while significantly reducing procurement costs, helping you stand out in infrastructure projects with a better investment-output ratio.

Professional Manufacturing

As a professional Manufacturer founded in 2013, Junray Electrical has a modern production facility. We not only possess international authoritative certifications such as ISO, CCC, and CE, but also have a complete set of advanced production lines ranging from laser cutting to precise bending.

This GCK Draw-out Distribution Cabinet is strictly manufactured in accordance with international standards. The cabinet structure is assembled using high-strength modular profiles, featuring both rigidity and precision. The interior is equipped with thickened high-conductivity copper busbars, with a rated current range of 630A to 4000A, and a short-term withstand current of up to 80kA, ensuring stability even under heavy load startup or short-circuit impact. Combined with an IP40 protection level, it can effectively isolate dust and foreign objects. Whether in a dust-laden workshop or a commercial area with frequent personnel movement, it can guarantee the purity and safety of internal components.

Technical specifications:

Applicable scenarios:

Medium-sized factories: Power distribution for core production lines, with limited budget but requiring convenient operation and maintenance.

Commercial complexes: Lighting and power distribution for shopping malls and office buildings, must not allow power outages.

Hospitals/Infrastructure: Public facilities and industrial parks with requirements for continuous power supply.

Why choose Junray Electrical?

Choosing Junray Electrical is not merely choosing a Supplier, but choosing a reliable partner. We have a professional team that can provide you with fast and precise customized services. We promise to offer global rapid response 24/7. If you are looking for a GCK Draw-out Distribution Cabinet that can solve space and operation problems, don't hesitate any longer. Contact us immediately to get free technical consultation and quotations.

Case Study

This project involved the power distribution system upgrade for a large-scale electronic component manufacturing workshop. The facility operates numerous variable-frequency production lines, precision machining equipment, central air conditioning systems, and automated MCC (Motor Control Center) circuits, characterized by frequent equipment start-stop cycles and significant load fluctuations. The original fixed-type GGD distribution cabinets suffered from disorganized circuitry and difficult maintenance; a fault in a single circuit could easily affect the entire busbar section, severely compromising production continuity.

To enhance distribution safety, maintenance efficiency, and power supply stability, the entire plant's low-voltage distribution system was replaced with GCK withdrawable low-voltage switchgear. These units handle workshop power distribution, lighting distribution, variable-frequency equipment feeders, and centralized reactive power compensation control.

Issues Prior to Upgrade

High maintenance risks and prolonged downtime: Faults in single circuits of the old fixed cabinets required shutting down power to the entire section for repairs; complex screw-based wiring and time-consuming emergency repairs severely impacted production line output.

High risk of fault propagation: Lack of independent compartments meant that short circuits or arcing in one circuit could easily spread to adjacent circuits, causing widespread power outages.

Difficulty in capacity expansion: Fixed cabinet circuits lacked flexibility, making it impossible to easily add capacity or modify circuits for new automated equipment.

Severe overheating at contact points: Oxidation of traditional terminals during long-term operation caused overheating and frequent tripping of outgoing feeder cabinets during peak load periods.

Low O&M efficiency: Inability to perform hot-swapping or use spare drawer units meant that troubleshooting required power outages.

Equipment Configuration Plan

Based on workshop load classifications and process requirements, GCK withdrawable low-voltage switchgear was installed throughout the low-voltage distribution room. The configuration includes incoming feeder cabinets, bus-tie cabinets, MCC motor feeder cabinets (withdrawable type), capacitor compensation cabinets, and lighting cabinets, all featuring a modular drawer structure and independent compartment design. Key Equipment Specifications

Cabinet Type: GCK low-voltage withdrawable switchgear

Rated Voltage: 380V/400V

Rated Insulation Voltage: 660V

Structural Features: Fully enclosed metal structure with independent functional compartments (segregated busbar, cable, and drawer compartments)

Drawer Functionality: Features four positions—Service, Test, Disconnected, and Withdrawn—allowing for maintenance without power interruption and rapid replacement with spare drawers

Protection Rating: IP30

Application Scenarios: Industrial workshop MCC (Motor Control Center) applications, loads requiring frequent starting/stopping, and high-reliability continuous production processes

Retrofit Highlights

Modular drawer design: Each power circuit has an independent drawer, ensuring mutual isolation and high safety.

Dual interlocking (electrical and mechanical): Prevents misoperation and on-load insertion/withdrawal, eliminating human-error accidents.

Dual-busbar sectionalized design with bus-tie cabinet: Enables sectionalized power supply, load balancing, and fault isolation.

Ample spare drawer circuits: Accommodates future equipment expansion and process modification needs.

Post-Retrofit Operational Performance

Significantly improved fault handling efficiency: Single-circuit faults can be resolved by directly swapping in a spare drawer; emergency repair time is reduced from 1–2 hours to under 5 minutes, drastically minimizing production line downtime losses.

Enhanced safety: Independent compartment structure completely prevents fault propagation and arc migration, eliminating cross-circuit short-circuit accidents.

Normal equipment temperature rise: Stable contact at plug-in primary contacts; no overheating due to oxidation; stable operation during peak load periods.

Enhanced power supply continuity: Sectionalized power supply with bus-tie capability ensures maintenance on one section does not disrupt workshop-wide production. Reduced O&M costs: 10-year lifecycle maintenance costs are approximately 20% lower than fixed-type cabinets, eliminating the need for frequent fastener tightening or large-scale power outages for maintenance.

Case Summary

GCK withdrawable cabinets are ideally suited for scenarios involving continuous industrial production, frequent equipment start/stop cycles, and high demands for power supply reliability and maintenance efficiency. Compared to traditional GGD fixed cabinets, they offer advantages such as safety interlocking, independent segregation, rapid unit replacement, flexible expansion, and robust fault isolation capabilities, making them the preferred choice for factory MCCs and industrial low-voltage power distribution retrofits.