GCK Low Voltage Draw-out Switchgear – Product Overview

Overview

The GCK Series low voltage draw-out switchgear is a highly reliable, modular power distribution solution designed for AC 50Hz or 60Hz systems. It supports both three-phase 4-wire and three-phase 5-wire configurations, with a rated voltage of 660V and rated current up to 4000A.

This switchgear is widely used for power distribution, lighting control, motor protection, and power supply in a variety of applications including:

• Power plants and substations

• Industrial factories and mining sites

• Commercial buildings and hotels

• Airports and seaports

• Residential complexes and infrastructure projects

With its robust construction, flexible configuration, and compliance with international standards, the GCK series ensures safe, efficient, and reliable operation in demanding electrical environments.

Key Features

• Draw-out design for easy maintenance and replacement without power shutdown

• High breaking capacity suitable for main power distribution (PC) and motor control center (MCC)

• Compact structure saving installation space

• Modular components allowing flexible combinations and future expansion

• Enhanced safety with mechanical and electrical interlocks

• Compatible with intelligent monitoring systems for modern power management

Normal Using Conditions

To ensure optimal performance and service life, the GCK switchgear should be installed under the following conditions:

Note: For special operating conditions beyond the above limits, please consult the manufacturer for customized solutions.

Usage

The GCK low voltage draw-out switchgear is widely applied in Power Center (PC) and Motor Control Center (MCC) systems across the following scenarios:

• Power plants and substations – main power distribution and backup power supply

• Industrial mining factories – motor starting, protection, and load management

• High-rise buildings – lighting, elevator, HVAC, and general power distribution

• Commercial centers – reliable power supply for critical loads

• Renewable energy projects – solar and wind power distribution

Electrical Ratings:

The GCK series is suitable for power generation and supply systems, providing efficient motor control, reactive power compensation, and reliable power distribution.

Q&A – Frequently Asked Questions

Q1: What is the difference between GCK and GGD or GCS switchgear?
A: GCK features a draw-out unit design, allowing individual circuit modules to be removed for maintenance without shutting down the entire system. GGD is a fixed-type switchgear, while GCS is another draw-out type with different modular dimensions. GCK is preferred for applications requiring high reliability and easy serviceability, such as MCC centers.

Q2: Can the GCK switchgear be used with a 60Hz power system?
A: Yes. The GCK series is designed to work with both 50Hz and 60Hz AC systems. Please specify your required frequency when ordering to ensure proper component selection.

Q3: What is the maximum altitude for normal operation?
A: The standard design supports altitudes up to 2000m. For installations above 2000m, derating or special design modifications may be required. Please contact our technical team for assistance.

Q4: How does the GCK handle condensation in humid environments?
A: Condensation may occur under rapid temperature changes. We recommend installing cabinet heaters or anti-condensation controllers for high-humidity areas. Optional anti-condensation coatings and sealed enclosures are also available.

Q5: What protection degrees are available?
A: Standard GCK cabinets typically provide IP30 to IP40 protection. Higher protection levels (up to IP54) can be offered for harsh environments upon request.

Q6: Do you provide custom configurations?
A: Yes. We offer full customization including current rating, number of draw-out units, incoming/outgoing ways, communication protocols (Modbus, Profibus, etc.), and special environmental adaptations. Please share your single-line diagram or technical specifications for a tailored solution.