GCK GCKL Low-Voltage Withdrawable Motor Control Center

The GCK(L) Low-Voltage Withdrawable Switchgear is an IEC-standard, modular low-voltage power distribution solution. Designed for power distribution and control in global industrial, commercial, and infrastructure applications, it offers high flexibility, reliability, and safety. Its core features standardized withdrawable functional units, enabling rapid configuration, installation, and maintenance. It can integrate advanced protection and monitoring functions, providing an efficient, compact, and scalable power management platform for modern distribution systems.

Rated Operational Voltage: 400V / 690V, AC 50/60Hz (or 480V / 600V, 60Hz for specific markets)

Rated Insulation Voltage: 1000V AC

Rated Current (Main Busbar): Up to 4000A

Rated Short-Time Withstand Current (Icw): 50kA / 1s, 65kA / 1s or higher (design-dependent)

Rated Breaking Capacity (Icu/Ics): Complies with IEC 60947-2, typical values: 65kA, 100kA

Enclosure Protection Degree: Standard IP31, IP40; higher options like IP41, IP54 available

Applicable Standards: IEC 61439-1 & IEC 61439-2 (Low-voltage switchgear and controlgear assemblies)

Busbar System: Type-tested (TTA), complying with IEC 61439 requirements for temperature rise, short-circuit strength, etc.

1. Global Standard Design: Strictly designed, verified, and manufactured in accordance with the IEC 61439 series of international standards, ensuring global technical compliance and interoperability.

2. Modular Flexible Architecture: Full range of standardized withdrawable functional units (e.g., circuit breaker compartments, metering compartments, capacitor compensation compartments) supports online hot-swap maintenance and easy future expansion, maximizing system availability and reducing downtime.

3. Comprehensive Protection and Safety: Can integrate intelligent Air Circuit Breakers (ACB), Molded Case Circuit Breakers (MCCB), and electronic trip units to provide precise overload, short-circuit, and earth fault protection. Mechanical and electrical interlocks ensure operational safety.

4. Optional Smart Monitoring: Can be equipped with digital meters, communication gateways, and energy management software interfaces, supporting mainstream protocols like Modbus TCP, Profinet, EtherNet/IP for remote condition monitoring, fault alarms, and energy efficiency analysis.

5. High-Reliability Construction: Utilizes a high-strength frame structure. The busbar system undergoes complete dynamic and thermal stability verification. Clear segregation of functional units effectively prevents fault propagation.

This equipment is widely suitable for global applications requiring high-reliability power distribution, including:

Main Low-Voltage Switchrooms (MLVS) and Motor Control Centers (MCC) in industrial plants and manufacturing facilities.

Critical power distribution systems in commercial buildings, data centers, hospitals, and large-scale infrastructure.

The low-voltage side of substations in the utility sector.

Harsh industrial environments like ports, mines, and petrochemical plants (appropriate protection degree and materials must be selected based on the specific environment).

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