- Guangzhou Guoneng Automatic Control Technology Co.,ltd
-
Guangzhou, Guangdong, China
- Main products: BREAKER, SWITCH, CONTROLLER, IR Infrared detection
Home > Products > breaker & switch > 12KV/1250A-31.5KA Permanent Magnet Operation Mechanical Vacuum Circuit Breaker Inflatable SF6 Cabinet Dedicated
12KV/1250A-31.5KA Permanent Magnet Operation Mechanical Vacuum Circuit Breaker Inflatable SF6 Cabinet Dedicated
- GUANGZHOU
- T/T
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Product Details
| Place of Origin | China | Model Number | 12KV/1250A-31.5KA permanent magnet operation mechanical vacuum circuit breaker i | |
| Type | High Voltage | Poles Number | 3 |
Product Description
12KV/1250A-31.5KA permanent magnet operation mechanical vacuum circuit breaker inflatable cabinet dedicated
12KV/630A-25KA permanent magnet operation mechanical vacuum circuit breaker inflatable cabinet dedicated
Suitable for SF6 fully sealed fully insulated switchgear
serial number | project | unit | Numerical value |
1 | Rated voltage | kV | 12 |
2 | Rated frequency | Hz | 50 |
3 | Rated current | A | 630/(1250) |
4 | Rated short-circuit breaking current | kA | 25/(31.5) |
5 | Rated peak withstand current ( peak ) | kA | 50/(80) |
6 | Rated short-circuit withstand current / duration | kA/s | 25/4/(31.5/4) |
7 | Rated short-circuit making current ( peak value ) | kA | 63/80 |
8 | Nominal Operation Sequence | Points- 0.3s -Combined points- 15s -Combined points | |
9 | Mechanical life | Second-rate | greater than 10000 |
10 | Rated current breaking times | Second-rate | greater than 10000 |
11 | Rated short-circuit breaking current breaking times | Second-rate | 30 |
12 | Power frequency withstand voltage (1min): ( wet ) alternate to ground ( dry ) interphase, ground / fracture |
kV |
34 42/49 |
13 | Lightning impulse withstand voltage (peak value) phase-to-phase, to ground / fracture | kV | 75/85 |
14 | Secondary circuit 1min power frequency withstand voltage | V | 2000 |
| 15 | Closing time | ms | <25 |
| 16 | Opening time | ms | <15 |
| 17 | Contact closing bounce time | ms | 0 |
| 18 | Open jump | <1/5 spacing | |
| 19 | Three phase weight | kg | 35 |
| 20 | Three-phase circuit breaker auxiliary switch quantity | 6NO+6NC |
Contact Us
- Guangzhou Guoneng Automatic Control Technology Co.,ltd
- Contact namePOSCO WEN Chat Now
- Phone86-20-83687779
- AddressNO. 7 105, Dalong Street Development Road,Panyu District ,, Guangzhou, Guangdong
Product Categories
| breaker & switch | controller |
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