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The GCS low-voltage draw-out switchgear offers high technical performance and features independent compartmental isolation. Rated for main busbars up to 4000A and equipped with automated computer interfaces.
The GCS-type low-voltage withdrawable switchgear (hereinafter referred to as switchgear) is an advanced low-voltage power distribution solution jointly designed and developed by national industry authorities, electric power users, and specialized design consortiums. It is meticulously engineered to conform to national power distribution conditions while delivering exceptional technical performance indexes that fully compete with premium imported low-voltage panels.
This device is widely utilized across large-scale power generation stations, petroleum refining facilities, chemical processing plants, metallurgical operations, textile mills, and modern high-rise buildings. It thrives in high-automation environments requiring a centralized computer monitoring interface. It operates perfectly in three-phase AC systems with a frequency of 50/60 Hz, rated working voltages of 380V (400V) or 660V, and a rated current up to 4000A. The equipment rigorously complies with IEC439-1, GB7251, and ZBK36001 international and national industry standards.
| Name | Unit | Technical Parameters |
|---|---|---|
| Rated voltage of main circuit | V | AC 380 (400), (660) |
| Auxiliary circuit rated voltage | V | AC 220, 380 (400) / DC 110, 220 |
| Rated frequency | Hz | 50 (60) |
| Rated insulation voltage | V | 660 (1000) |
| Rated current: Horizontal Busbar | A | $le$ 4000 |
| Rated current: Vertical busbar (MCC) | A | 1000 |
| Rated short-time withstand current of busbar | kA/1s | 50, 80 |
| Rated peak withstand current of busbar | kA/0.1s | 105, 176 |
| Industrial frequency test voltage: Main Circuit | V/1min | 2500 |
| Industrial frequency test voltage: Auxiliary busbar | V/1min | 2500 |
| Generating line: Three-phase four-wire | - | A.B.C.PEN |
| Generating line: Three-phase five-wire | - | A.B.C.PE.N |
| Protection class | - | IP30, IP40 |
Selecting the optimal low-voltage power distribution platform dictates the core safety and modern control efficiency of heavy-industry infrastructure. JNCN Power brings exceptional engineering craftsmanship and high-reliability design optimizations to the GCS Series through the following key pillars: