24KV Indoor Vacuum Generator Circuit Breaker
VS1 type indoor high voltage vacuum circuit breaker, three-phase AC 50Hz, rated voltage of 12KV power system for indoor switchgear, protects power equipment enterprises. As a condition for power equipment and control units. Frequent operation is suitable for the requirements of rated operating...
Description
VS1 type indoor high voltage vacuum circuit breaker, three-phase AC 50Hz, rated voltage of 12KV power system for indoor switchgear, protects power equipment enterprises. As a condition for power equipment and control units. Frequent operation is suitable for the requirements of rated operating current or multiple disconnection of short-circuit current.
The circuit breaker adopts an integrated design of the operating mechanism and the circuit breaker body, which can be used as a fixed installation unit or equipped with a special propulsion mechanism composed of the actions of the handcart unit.
Advantage
Simple structure
Adapt to ultra-low resistance vacuum interrupter
Adaptation optimization and modular spring operation mechanism
Suitable for frequent operations
Free maintenance, long service life
Highly reliable performance
Environmental conditions
Ambient temperature: not higher than +40°C, not lower than -10°C (it can be stored and transported at -30°C).
Altitude: no more than 1000m.
Relative humidity: the daily average is not more than 95%, the average saturated vapor pressure is not more than 2.2×10-3MPa, and the average is not more than 1.8×10-3MPa.
Earthquake intensity: no more than eight.
There is no fire, explosion hazard, serious pollution, chemical corrosion and strong vibration.
| Item | Description | Unit | Data | |
| 1 | Rated voltage | KV | 12 | |
| 2 | Max. voltage | KV | 12 | |
| 3 | Rated current | A | 1250/1600/2000/2500/3150 | |
| 4 | Rated break current on shorting | KA | 31.5/40/50 | |
| 5 | Rated short circuit making current | KA | 80/100/125 | |
| 6 | Rated peak withstand current | KA | 80/100/125 | |
| 7 | 4S Rated withstand current | KA | 31.5/40/50 | |
| 8 | Rated insulation level | Power frequency voltage(when losing a circuit) | KV | Dreaker 48 |
| Impulse withstand voltage(when losing a circuit) | Dreaker 84 | |||
| 9 | Rated operating sequence | OC-0.3s-CO-180S-CO | ||
| 10 | Mechanical life | Times | 10000 | |
| 11 | Open circuit times of rated short dropout current | Times | 50 | |
| 12 | Rated close brake voltage of operating machnie | V | 110,220 | |
| 13 | Rated break brake voltage of operating machnie | V | 110,220 | |
| 14 | Clearance between open contacts | mm | 11±1 | |
| 15 | Exceed range(the compress length of contact sping) | mm | 4±0.5 | |
| 16 | Different period of three-phase break and close break | ms | ≤2 | |
| 17 | The jump time of contact close break | ms | ≤2 | |
| 18 | Average break speed | m/s | 0.9~1.2 | |
| 19 | Average closing speed | m/s | 0.6~1.2 | |
| 20 | Opening time | Ubder max.operating voltage | S | ≤0.05 |
| Under min.operating voltage | ≤0.08 | |||
| 21 | Closing time | s | ≤0.1 | |
| 22 | Resistance of each phase main loop | μΩ | ≤40 | |
| 23 | Contacts limit ersion | mm | 3 | |


About us:

Henan Fengyuan Power Technology Co., Ltd., founded in July 2010, has a registered capital of 20 million yuan, a fixed asset of 50 million yuan, more than 200 employees and an annual output value of nearly 100 million yuan.
Our corporation is a technical type enterprise integration product design,manufacturing and sale into one body. The indoor high voltage insulating product owns super quality in addition to consummate technology which wins wide trust and favorable reception from foreign and domestic customers.
Our company produces various types of vacuum circuit breakers, such as handcart type circuit breaker, fixed type vacuum circuit breaker, withdrawable type circuit breaker,etc.Our products cooperate with many companies all around China..We also export large quantity of products to Oceania, Europe ,Southeast Asia and Middle east, deal to high quality and reasonable price.
Why choose us:
1. One-stop supplier globally.
2. Many years professional experiences in electrical appliance industry.
3. Professional online technology support for perfecting your power energy solution free.
4. Experienced sales service,oompetive price.
5. Reliable quality and warranty assurance: 12 month or more
5. Whatever big or small order, we can provide you one-to-one service.
6. Based on mutural benefit,creat win-win business and long relationship.
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