Product overview
KYN28-12 (GZS1) armored central AC metal enclosed switchgear (hereinafter refered to as "switchgear") is suitable for three-phase AC 50 Hz powelsystem, which is used to receive and distribute electric energy and control, protect and monitor the circuit. The newly introduced high current and highbreaking switchaear can also be used as the outlet of high voltage generator.This product meets the standards: GB3906 3  35kV AC metal enclosed switchgear, GB /T 11022 common technical reouirements for hiah voltageswitchaear and controi ecuioment standerds. ec0298 AC metal enclosed switchoear and control eauioment ith rated voltage above 1kV and below 50kv

Modeland meaning

Normal service conditions
1. Ambient air temperature: maximum temperature + 40 C, minimum temperature - 15 C

2. Humidity condition:
Daily average relative humidity: s 95%
The daily average steam pressure is not more than 2.2kpa
Monthly average relative humidity ≤ 90%，
The average monthly steam pressure is less than 1.8kpa
3. Altitude: 4000m and below
4. Seismic intensity: no more than 8 degrees
5. The surrounding air shall not be obviously polluted by corrosive or combustible gas, water vapor, etc
6. No frequent severe vibration place.
7. If it is used under normal conditions beyond GB3906, it shall be negotiated between the user and the manufacturer.

Overall dimension

Installation dimension

Main technical parameters

Structural features
1. Structure of switchgear (see figure below)
2. All metal assembly modular assembly structure
3. The cabinet body is made of imported aluminum zinc-coated steel sheet. processed by FMS flexible processing system, adopting advanced multiple folding process, riveting nuts, and high-strength bolt connection, with high precision, corrosion resistance, light weight, high strength and strong versatility.

4. It can be equipped with ZN63A-12 (VS1) series or imported VD4 series vacuum circuit breaker produced by our company, with wide applicability, high reliability and maintenance free.
5. The handcart is equipped with working and test positions, and each position has positioning and display devices, which is safe and reliable
6. Cars of the same specification can be interchanged freely with strong interchangeability
7. The handcart is transported by a special carrier, and the operation is light and flexible.
8. Up to 9 single core cables can be installed in the cable room
9. Reliable mechanical and electrical interlocking device, fully meet the "five prevention" requirements
10. There are pressure relief channels in the high pressure chamber to ensure personal safety.
11. The front door is equipped with an observation window to observe the working state of indoor components.