Model NO.: ZW12-12KV
Poles Number: 1
Type: Circuit Breaker
Function: Circuit-Breaker Failure Protection
Certification: ISO9001-2000, Cnas,Cnal
Rated Voltage: 12
Rated Current: 630/400/200
Trademark: ZHON
Specification: 12KV
Origin: China
HS Code: 8535210000
ZW32-12 series outdoor high-voltage vacuum circuit breaker is used in a three-phase A. C. 50Hz, voltage of 10~12kV electric system, suitable for breaking and making load current, overload current and short-circuit current.
| Item | Unit | Parameter | ||||
| Rated Voltage | kV | 12 | ||||
| Rated Current | A | 630/400/200 | ||||
| Rated Short-circuit Breaking Current | kA | 20/16/12.5 | ||||
| Rated Short-circuit Making Current (Peak) | kA | 50 | ||||
| Rated Peak Withstand Current | kA | 50 | ||||
| Rated Short-time Withstand Current | kA | 20 | ||||
| Rated Short-circuit Duration | S | 4 | ||||
| Rated Insulation Level | Lightning Impulse Withstand Voltage (Peak) | kV | 75 | |||
| 1min Power Frequency Withstand Voltage |
Dry Test | kV | 42 | |||
| Wet Test | kV | 34 | ||||
| Rated Operating Sequence | O-0.3s-C O-180s-CO | |||||
| Rated Short-circuit Current Breaking Times | times | 30 | ||||
| Mechanical Life | times | 10000 | ||||
| Opening Time (Shunt Trip) |
Highest Operating Voltage | ms | 15~50 | |||
| Rated Operating Voltage | ms | 15~50 | ||||
| Lowest Operating Voltage | ms | 30~60 | ||||
| Closing Time | ms | 25~50 | ||||
| Full-break time | ms | ≤ 100 | ||||
| Arc Time | ms | ≤ 20 | ||||
| Rated Input Power of Energy Storing Motor | W | 40 | ||||
| Rated Operating Voltage and Rated Voltage of Auxiliary Circuit | V | DC220, 110, 24 | ||||
| V | AC220, 110, 24 | |||||
| Energy Storing Time Under Rated Voltage | s | ≤ 10 | ||||
| Over-current Release | Rated Current | A | 5 | |||
| Accuracy of Release Current | % | ± 10 | ||||
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