- Product name:vacuum circuit breaker
- Model:VS1/VD4
- Rated voltage:12KV/24KV
- Rated current:630A
- Rated frequency:50/60 Hz
- Rated short circuit breaking current:20/25/31.5
- Mechanical Life:20000 Times
- Material:Copper
- Certificate:ISO9001
- Customized:Accept special order
- Type:High Voltage
- Poles Number:3
- Place of Origin:CN;ZHE
- Brand Name:YUFENG/OEM
- Model Number:VS1(VBM7)-24
Overview
VS1-24 (VBM7) series side-installed type vacuum circuit breaker, high - voltage switchgear, three-power system is suitable for the rated voltage 24kV. frequency 50Hz,is used as a protective and control equipment,due to the special advantage of the vacuum circuit breaker, especially suitable for frequent operation under rated current,or multiple breaking short circuit current place.
VS1-24 (VBM7) series side-installed type vacuum circuit breaker with fixed installation,mainly for fixed type switch cabinet, the circuit breaker can be used alone,but also can be used for ring network power supply,box-type substation and various non-standard power supply system .
| Item | Description | Unit | Data | |
| 1 | Rated voltage | KV | 24 | |
| 2 | Max. voltage | KV | 24 | |
| 3 | Rated current | A | 630/1250/1600 | |
| 4 | Rated short circuit breaking current | KA | 20/25/31.5 | |
| 5 | Rated short circuit making current | KA | 50/63/80 | |
| 6 | Rated peak withstand current | KA | 50/63/80 | |
| 7 | 4S Rated withstand current | KA | 20/25/31.5 | |
| 8 | Rated insulation level | Power frequency voltage(when losing a circuit) | KV | Dreaker 65 |
| Impulse withstand voltage(when losing a circuit) | Dreaker 125 | |||
| 9 | Rated operating sequence | OC-0.3s-CO-180S-CO | ||
| 10 | Mechanical life | Times | 20000 | |
| 11 | Rated short circuit current breaking time | 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 | Contact stroke | mm | 13±1 | |
| 15 | Exceed range(the compress length of contact sping) | mm | 3.5±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 | 1.1~1.7 | |
| 19 | Average closing speed | m/s | 0.6~1.1 | |
| 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 | 630≤50 1250≤45 1600≤40 | |
| 23 | Contacts limit ersion | mm | 3 | |
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory with more than 20 years experience in this field.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days
if the goods are not in stock, it is according to quantity.
Q:Do your company have a website ?
A:Please check :www.cnyufeng.cn
Q: What is your terms of payment ?
A: Payment=500USD, 30% T/T in advance ,balance before shippment.
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