High Voltage Switchgear
This product features a fully enclosed, metal-clad structure and is a core power distribution device in power systems. Its rated voltage ranges from 3.6 to 12kV, and it boasts excellent insulation performance, high breaking capacity, and comprehensive safety interlocks to ensure safe power distribution and control. The robust cabinet structure can integrate vacuum circuit breakers and intelligent protection units, supports remote monitoring, and is widely used in power supply and distribution systems of substations, industrial and mining enterprises, and large buildings to ensure the safe, stable, and intelligent operation of the power grid.
Main technical parameters
| Serial Number | Item | Technical Parameters |
|---|---|---|
| 1 | Rated Voltage (KV) | 3.6, 7.2, 12 |
| 2 | Rated Insulation Level (KV) | 1min Power Frequency Withstand Voltage: 42; Lightning Impulse Voltage (Full Wave): 75 |
| 3 | Rated Frequency (Hz) | 50 |
| 4 | Rated Current (A) | 630, 1250, 1600; 2000, 2500, 3150, 4000 |
| 5 | 4S Thermal Stability Current (Effective Value) (KA) | 20, 25, 31.5, 40, 50 |
| 6 | Rated Dynamic Stability Current (Peak) (KA) | 50, 63, 100, 130 |
| 7 | Protection Class | Enclosure IP4X; Circuit Breaker Compartment Door Opening IP2X |
| 8 | Dimensions | ≤1250A: 800*1500*2320; >1250A: 1000*1500*2320; Overhead Incoming Line: Width/Depth changed from 1500 to 1660. |
Features
1. Fully enclosed metal armor with five-proof interlocking to prevent misoperation;
2. Bolted aluminum-zinc plate construction for high cabinet strength;
3. Front-mounted maintenance and wall-mounted design saves floor space;
4. Compatible with VS1/VD4 circuit breakers, offering good interchangeability of handcarts;
5. Can be fitted with a heater to prevent condensation corrosion;
6. Applicable scenarios: industrial plants, commercial buildings, municipal switchgear, power plant substations, and mining infrastructure.
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