Products
HVEB(VS1)-12 Handcart Type High Voltage Indoor vacuum circuit breaker VCBIndoor
HVEB indoor alternating pressure displacement (fixed seal) vacuum circuit breaker is used for three-phase ac 50Hz, rated voltage 7.2-12kv power system indoor switching equipment, as industrial and mining enterprises, power plants and substation electrical facilities control and protection unit.Due to the special advantages of vacuum circuit breaker.Especially suitable for frequent operation of rated operating current or multiple short-circuit current switching.

The circuit breaker conforms to domestic and international standards such as gb1984-2003, GB/11022-2011, DL hall 403-2001, iec62271-100:2003, etc.The circuit breaker has reliable interlock function.It can be used as handcart unit or fixed unit.

     

 HVEB户内交流离压(固封式)真空断路器是用于三相交流 50Hz,额定电压为7.2- 12kV 电力系统的户内开关设备, 作为工矿企业、 发电厂及变电站电气设施的控制和保护单元。由于真空断路器的特殊优越性.尤其适用要求额定工作电流下频繁操作, 或多次开断短路电流的场所。
      本断路器符合GB1984-2003、 GB/11022-2011、 DL厅403-2001、 IEC62271 -100: 2003 等国内、 国际相关标准。断路器具有可靠的联锁功能. 既可作为手车单元,也可作为固定单元。


VCB

item

unit

data

Rated insulation level

Rated voltage

kV

12

Rated current

A

630,1250

2000,2500

2500,3150

Rated frequency

Hz

50

Power frequency withstand voltage for 1min

kV

42(between ground) / 48 (fracture) Valid values

75(between phases, to ground)85 (fracture) peak

Lightning shock withstand voltage

kV

Rated operation sequence

 

Ot-CO-t’ CO

Rated short circuit breaking current

kA

20/25

31.5

40

Rated short-circuit closing current (peak)

kA

50/63

80

100

Rated short duration current time

s

 

80

 

Rated peak withstand current

kA

50/63

80

100

Cumulative times of rated short circuit current

time

100

50

30

Mechanical life

M2class

20000

10000

Weight

Fixed

kg

≤108

≤118

Drawer

≤148

≤186

 

联系
width