GCK Low Voltage Withdrawable Switchgear is a versatile electrical switchgear designed for efficient power distribution and motor control. It is widely applied across various industries, including power plants, city substations, and industrial and mining corporations. This switchgear is suitable for a range of power distribution tasks, such as controlling electromotors, lighting, and other electrical systems.
| Content | Unit | Value | |
|---|---|---|---|
| Rated Operational Voltage | V | 400 | |
| Rated Insulation Voltage | V | 690 | |
| Rated Frequency | Hz | 50/60 | |
| Main Bus-Bar | Rated Current | A | ≤4000 |
| Rated short time withstand current(1S) | kA | ≤80 | |
| Rated Peak Withstand Current | kA | ≤176 | |
| Distribution Bus | Rated Current | A | ≤1500 |
| Rated short time withstand current(1S) | kA | ≤50 | |
| Rated Peak Withstand Current | kA | ≤105 | |
| Frequency Withstand Voltage in 1 min of Aux Control Loop | kV | 2 | |
| Rated Impulse Withstand Voltage | kV | 8 | |
| Degrees of Protection | IP | IP40 | |
| Electrical Clearance | mm | ≥10 | |
| Creepage Distance | mm | ≥12.5 | |
| Overvoltage Level | – | Ⅲ/Ⅳ | |
| Pollution Degree | – | 3 | |
GCK low-voltage drawout switchgear is widely used in power plants, substations, factories and mining enterprises and high-rise buildings power distribution center PC and motor control center MCC, as AC 50-60Hz, rated operating voltage of 660V and below, rated current of 4000A and below power supply system distribution, motor centralized control. Low voltage power distribution unit for reactive power compensation.
The main differences between the GCK and MNS are their origin, design source, structural characteristics and operability.
Origin and design source: GCK is independently designed and developed in China, while MNS is introduced from ABB company . This means that MNS may be influenced by international design standards, while GCK is more in line with domestic design habits and market needs.
Structural characteristics: The main bus of GCK is placed on the top of the cabinet, while the main bus of MNS is placed behind. In addition, MNS cabinets can be operated on both sides, providing higher current capacity and better operability.
History and development: GCK is an earlier drawer type distribution cabinet, when the strength of the profiles used was poor, the operating mechanism was not flexible. In contrast, the MNS design is more advanced, with higher operability and current capacity.
These differences make MNS potentially superior to GCK in terms of performance and functionality, especially in applications requiring greater operability and current capacity.
The GCK Series Switchgear is used for low voltage power distribution and motor control in industrial settings, providing a centralized control point for various electrical circuits.
Key features include modular design for easy expansion, drawout-type switchboards for easy maintenance, integrated protection and control devices, and compliance with international safety standards.
