- Contact Person : Ms. Wang Grace
- Company Name : Beijing Huadong Electric Co., Ltd.
- Tel : 0086-10-67668022
- Fax : 0086-10-87697121
- Address : Beijing,Beijing,Room 408, B unit, No.1 building, No.16, Ronghua South Road, Beijing Economy technologyl developed area,Beijing.
- Country/Region : China
12KV Vacuum circuit breaker (type:VH4)
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Technical Parameters of VH4 CB
Serial No. | Items | Unit | Technical Data | |||||||||
1 | Rated Voltage | KV | 12 | |||||||||
2 | Rated Frequency | HZ | 50 | |||||||||
3 | Rated Insulation Level | 1 min Rated Power Frequency withstand Voltage | KV | 42 | ||||||||
Rated Lightning Pulse withstand Voltage | KV | 75 | ||||||||||
4 | Rated Current | A | 630 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 | 4000* | 5000* | |
5 | Rated Short Circuit Breaking Current Rated Short time Withstand Current (4s) | KA
| 20 | 20 | 20 | |||||||
25 | 25 | 25 | 25 | |||||||||
31.5 | 31.5 | 31.5 | 31.5 | 31.5 | ||||||||
40 | 40 | 40 | 40 | 40 | 40* | 40* | ||||||
50 | 50 | 50 | 50 | 50 | 50* | 50* | ||||||
6 | Rated Short Circuit Makeup current (peak) Rated Peak Withstand Current | KA | 60 | 60 | 60 | |||||||
75 | 75 | 75 | 75 | |||||||||
95 | 95 | 95 | 95 | |||||||||
120 | 120 | 120 | 120 | 120 | 120* | 120* | ||||||
150 | 150 | 150 | 150 | 150 | 150* | 150* | ||||||
7 | Rated Short Circuit Current Breaking Times | Times | 30,50 | 20* | ||||||||
8 | Operation squence | 0-0.3s-CO-180s-CO** | ||||||||||
9 | Closing Time | ms | 50±15 | |||||||||
10 | Opening Time | ms | 50±15 | |||||||||
11 | Energy Storage time | s | ≤15 | |||||||||
12 | Mechanical Life | Times | 50000 | 30000 | 10000* | |||||||
13 | Rated Power of Energy Storage Motor | W | 200 | 300 | ||||||||
14 | Rated Voltage of Energy Storage Motor | V | --110 --220 | |||||||||
15 | Rated Voltage of Opening and Closing Electromagnet | -110 -220 | ||||||||||
16 | Rated Current of Opening and Closing Electromagnet | A | 5 | |||||||||
17 | Rated Current of Over current Trip Device | A | 5 | |||||||||
18 | Rated Current of Auxiliary switch | A | AC10, DC5 | |||||||||
Pls Note:
The Technical Parameters with * are not used in VH4-EP, **When the Rated circuit breaking current is 50KA ,the Operation Sequence is “0-180s-CO-180s-CO”
Rated circuit breaking current ≤31.5KA Rated circuit Breaking time is 50 times
Rated circuit breaking current >31.5KA Rated circuit Breaking time is 30 times
12KV Vacuum circuit breaker (type:VH4)
