GCS Withdrawable LV Switchgear
Computer-interface-ready withdrawable switchboard for plants and petrochemical sites: 380/660 V up to 4000 A, busbars withstand 80 kA/176 kA, MCC cabinets pack up to 22 circuits with 32-pair secondary connectors.
- Higher thermal capacity of adapters markedly cuts extra temperature rise on connectors, cable heads and partit
- Clear, reliable segregation between units and compartments confines any fault to the smallest scope
- Flat-laid busbars give excellent dynamic-thermal stability, withstanding 80 / 176 kA short-circuit impact
- Up to 22 circuits in one MCC cabinet — sized for big-unit power plants and petrochemical motor groups
- External cables land in a dedicated cable compartment with top/bottom entry; CTs mounted inside for easy servi
- Current-limiting reactors can cap fault current and stabilise bus voltage, easing component duty
A cleaner, more reliable approach to MV switching
The HP-ELS series replaces SF₆ with environmentally friendly insulating media while keeping the proven safety and performance utilities expect from gas-insulated switchgear.
Product Overview
The GCS low-voltage withdrawable switchgear suits distribution systems in power generation, petroleum, chemical, metallurgical, textile and high-rise-building industries. For highly automated, computer-interfaced sites such as large power plants and petrochemical systems, it serves three-phase AC 50(60) Hz systems rated 380 V(400 V)/(660 V) and up to 4000 A — for distribution, centralized motor control and reactive-power compensation. It complies with GB/T 7251.2-2023.
Technical specifications
Headline ratings at a glance, followed by the full technical data sheet. Exact values are confirmed per project configuration.
| Parameter | Value |
|---|---|
| Main-circuit rated voltage | AC 380(400) / 660 V |
| Auxiliary-circuit voltage | AC 220·380(400) / DC 110·220 V |
| Rated frequency / insulation voltage | 50(60) Hz / 660(1000) V |
| Rated current horiz. / vert. (MCC) | ≤4000 / 1000 A |
| Busbar short-time withstand (1 s) | 50 · 80 kA |
| Busbar peak withstand (0.1 s) | 105 · 176 kA |
| PF test voltage main / aux (1 min) | 2500 / 1760 V |
| Busbar system / protection | 3-phase 4/5-wire (A.B.C.PE.N) / IP30·IP40 |
Reading the model designation
Generated automatically from each product's model code.
Overall dimensions
Cabinet height, width and depth options. Selection depends on cable type and incoming / outgoing configuration.
| Item | Dimensions (mm) | Scope of application |
|---|---|---|
| Width W | 800 / 1000 | By scheme |
| Depth D | 800 / 1000 | By scheme |
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