Indoor medium voltage lateral fixed type Insulation Cylinder Vacuum Circuit Breaker
Product Description
Mid-Voltage Indoor Lateral Type Vacuum Circuit Breaker With Insulation Cylinder
VBI type Vacuum circuit breaker conforms to national standard GB1984-2003 HV Vacuum Circuit breaker, JB3855-1996<3.6-40.5kV indoor AC high voltage vacuum Circuit Breaker>, DL/T403-2000<12kv-40.5kv HV vacuum circuit breaker ordering technical conditions>, and IEC62271-100:2001 high voltage AC circuit breaker relevant regulations.
Applying Ambient Conditions:
1.Ambient temperature: -25℃– +40℃
2.The height above sea level: ≤1000 m
3.Relative humidity: the average humidity of a day should be no more than 95%; the average humidity of a month should be no more than 90%.
4.Saturated vapor pressure: the average pressure of a day should be no mare than 2.2kPa; the average pressure of a month should be no more than1.8KPa.
5.Earthquake intensity: not exceed 8 degrees
6.It should be Installed in the places without fire, explosion, serious filth, and chemical erosion and violent vibration.
Main Technical Specification
| NO. | Name | Unit | Data | ||
| * | Type | / | Insulating cylinder
Nylon embedded poles
| Upper outlet
Side outlet
| |
| 1 | clearance between open contacts |
mm | 11±1 | ||
| 2 | overtravel | 3±0.5 | |||
| 3 | Interphase center distance | 210±1 | |||
| 4 | Contact closing bounce time |
ms | ≤2 | ||
| 5 | Three phase switching and switching out of synchronism | ≤2 | |||
| 6 | Opening time | ≤50 | |||
| 7 | Closing time | ≤100 | |||
| 8 | Average switching speed (6mm after contact separation) |
M/S | 0.9~1.3 | ||
| 9 | Average closing speed (6mm before contact closing) | 0.4~0.8 | |||
| 10 | Closing contact pressure | N | 25KA | 31.5KA | |
| 2200±200 | 3200±200 | ||||
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Product Categories : Vacuum Circuit Breaker > 12KV vacuum circuit breaker
