- Contact Person : Mr. Huang Nico
- Company Name : Zhejiang Shanghu Electrical Co., Ltd.
- Tel : 86-577-62782777
- Fax : 86-577-62755565
- Address : Zhejiang,yueqing,Xiangshan Industrial Park, Yueqing city, Zhejiang province, China
- Country/Region : China
- Zip : 325604
high voltage (medium voltage) vacuum interrupter (contactor)
Description
ZW8-12/C intelligent outdoor high-voltage vacuum circuit breaker(hereinafter called intelligent breaker) is applied for breaking, on or off of load current in AC three-phase power system of rated 10-12KV with 50Hz, it owns functions of overload and short protection, fast breaking protection, time lapse delay and automatic reclosing, it can also be equipped with arrestor or disconnecting(circuit breaker and disconnecting switch combination, hereinafter called Dcomposite intelligent circuit breakers) according to customer's requirement. This intelligent breaker owns power supply itself, available for remote control, interfaces of CT, PT are for remote control.
Technical data
| Name | Unit | Parameter | ||
| Rated voltage | KV | 12 | ||
| Rated insulation level | 1 min working frequency voltage | Dry type | 42 | |
| Wet type | 34 | |||
| Thunder impact withstand voltage(peak value) | 75 | |||
| Rated current | A | 630s 400s 200 | ||
| Rated short breaking current | KA | 20s 16s 12.5 | ||
| Rated operation sequence | 0ff-0.3s-on/off-180s-on/off | |||
| Rated short breaking current times | * | 30 | ||
| Rated short on-off current (peak value) | kA | 50 | ||
| Rated peak withstand current | 50 | |||
| Rated short time withstand current | 20 | |||
| Rated short breaking lasting time | s | 4 | ||
| Switching off time (trip ping of shunted exciter) | Max. operation voltage | ms | 15-50 | |
| Rated operation voltage | 15-50 | |||
| Min. operation voltage | 30-60 | |||
| Switching on time | 25-50 | |||
| Totally breaking time | ≤100 | |||
| Arcing time | ≤20 | |||
| Mechanical life | Times | 10000 | ||
| Switching on power | J | 70 | ||
| Rated input power of energy storage motor | W | <220 | ||
| rated operating volt and rated volt of Auxiliary loop | V | DC220 110 24 | ||
| AC220 110 24 | ||||
| Storage time under rated voltage | S | <8 | ||
| Over current tripper | Rated current | A | 5 | |
| Tripping current precision | % | ±10 | ||
| Over current adjustment | A | 1~9 | ||
| Fast breaking adjustment | ms | 6~20 | ||
| Delay time | 80-500 | |||
| Remote control distance | m | 30 | ||
| Reclosing times | Times | 1-3 | ||
Name Unit ParameterRated voltage 12Rated insulation level Dry type KV 42 1 min working frequency voltage fiat Wet type 34 f t^$»StS(M)Thunderimpact withstand voltage(peak value) 75Rated current A 630s 400s 200Rated short breaking current KA 20s 16s 12.5Rated operation sequence #-0.3 s 80 s -SirS- 0ff-0.3s-on/off-180s-on/offRated short breaking current times * 30( Jffll) Rated short on-off current (peak value) 50^^d&IIifift^^L/ft Rated peak withstand current kA 50Rated short time withstand current 20Btf fa) Rated short breaking lasting time s 4Switching off time (trip Max. operation voltage 15-50 Rated operation voltage 15-50ping of shunted exciter) Min. operation voltage ms 30-60Switching on time 25-50£7H&rB*|S] Totally breaking time <100J^Wls] Arcing time <20Mechanical life Times 10000Switching on power J 70Rated input power of energy storage motor W <220 V DC220 110 24rated operating volt and rated volt of Auxiliary loop AC220 110 24^^^HT^tEWla] Storage time under rated voltage S <8urn Rated current A 5Over current tripper Tripping current precision % ±10ii^i/ISftl^ Over current adjustment A 1-9jftBHITO Fast breaking adjustment ms 6-20SttttH Delay time 80-500iS^Si^ Remote control distance m 30Reclosing times # Times 1-3
high voltage (medium voltage) vacuum interrupter (contactor)
