GCS Low-Voltage Draw-out Switchgear
The GCS low-voltage draw-out switchgear is widely utilized in power distribution centers (PC) and motor control centers (MCC) within power plants, substations, industrial and mining enterprises, and high-rise buildings. It serves as a complete set of low-voltage distribution equipment for power generation and supply systems operating at AC 50–60 Hz, with a rated operating voltage of 690 V or less and a rated current of 6300 A or less, facilitating power distribution, centralized motor control, and reactive power compensation.
Description
1. High-Density Modular Architecture
First and foremost, the cabinet utilizes a sophisticated composite framework with a modular drawer-unit design. By optimizing the internal layout, a single Motor Control Center (MCC) cabinet can accommodate up to 22 circuits.
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Space Efficiency: The compact design allows for a greater number of functional units within a limited footprint, significantly reducing substation space requirements.
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Interchangeability: Functional units are available in varying modular dimensions, ensuring high interchangeability and flexible assembly to meet evolving operational needs.
2. Maximum Safety & Compartmentalized Isolation
To ensure the highest level of personnel and equipment safety, the switchgear features a strictly compartmentalized internal structure.
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Internal Segregation: Each compartment (drawer, cable, busbar, and secondary terminals) is separated by grounded steel plates. This ensures that any internal fault is confined to the smallest possible scope without disrupting other units.
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Proactive Protection: The system is equipped with comprehensive anti-misoperation interlocking functions and offers a standard IP40 rating, upgradeable to IP54 for harsh, demanding industrial environments.
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Dead-Front Design: With no exposed live parts, the segregation between units is both distinct and reliable, safeguarding operators during routine tasks.
Technical Parameters
Product Model: GCS Low-Voltage Draw-out Switchgear
| Item | Unit | Parameter |
| Rated Operating Voltage | V | 380 (400) |
| Rated Insulation Voltage | V | 690 (1000) |
| Rated Voltage of Auxiliary Circuit | V | 220/380 (400) |
| V | AC/DC 110, 220 | |
| Rated Frequency | Hz | 50 (60) |
| 1min Power Frequency Withstand Voltage of Main Circuit | kV | 2.5 |
| Peak Withstand Voltage of Main Circuit | kV | 8 |
| Rated Current of Main Busbar | A | 6300 |
| Rated Current of Distribution Busbar | A | 800 ~ 2000 |
| Rated Short-Time Withstand Current of Main Busbar | kA/1s | 50 ~ 100 |
| Rated Peak Withstand Current of Main Busbar | kA | 105~220 |
| Rated Short-Time Withstand Current of Distribution Busbar | kA/1s | 50~80 |
| Rated Peak Withstand Current of Distribution Busbar | kA | 105~176 |
| Busbar System Three-Phase Four-Wire | A, B, C, PEN | |
| Three-Phase Five-Wire | A, B, C, N, PE | |
| Protection Level | IP30 to IP54 | |
| Executive Standard | IEC60439-1, GB7251.1 |
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