VG1
1 2 k V , . . . 4 0 0 0 A , . . . 4 0 k A
VG1 Series
Indoor Vacuum Circuit Breaker
1 2 k V , . . . 4 0 0 0 A , . . . 4 0 k A
JIANGSU CHANGJIANG ELECTRIC CO., LTD.Relible operationdevice
Extremely high safty
High consistence
Extremely long life & maintenance-free
Series of product for the order1
Type Designation
2
Wide Application
3
Technical Data
4
Outline dimensions
5
Structure and Function
6
VG1
Transport,Storage and Commissioning
7
Sevicing and Maintenance
8
ConfigurationVG1
GB1984 JB3855 IEC62271-100 :2001
VG1
30000
630A-4000A 20-
40kA
300
1The vacuum circuit-brerkers of type VG1 which designed range and / or where a certain number of short-circuit
and producted by CJEC are intended for indoor installation breadking operations are expeded.The Circuit-breakers
in complex insulatad switchgear systems. The circuit- are suitable for autoreclosing and have exceptionally
breakers complies with the following standars:Gb1984, high oprating reliability and long life.
JB3855, iec62771-100:2001. High consistence
The vacuum circuuit-breakers of type VG1canbe supplied The circuit-breakers are producted in assembly lines
both as individual units for fixed installion and mounted with technique mould. Therefore, the breakers have high
on chassis. precision and low regulation.
Relible operation device Extremely long life & maintenance-free
The integration spring mechanism is used to ensure The ciruit-breakers are made use of special material
the vacuum-switen-tube parameters of the technical date. and technique, key parts are imported from suitzerland.
The mechanism also has the following specialty:CAD,high T he circuit-breakers can be up to 30000 michanical
transmision efficiency, Low dissipation, little noise operating cycles and can be a certain number of short-
afew indivividual parts. One mechanism for series of ciruit breaking operations and reclosing operation.
circait-breakers. Series of product for the order
Extremely high safety The circuit-breakers have been a wide range of rated
The product has been strict qualith test:300 oprations current and rated short-circuit breaking current:rated
before left factory, HV burn- in between the contacts. current can be from 630A to 4000A, rated short- circuit
The circuit-breakers can be used in net works where there breaking current can be from 20KA TO 40kA.
is a hight switching frequency in the working current
2VG1
VG1(ZN63B) - 12 / -
( k A )
Vacuum circuit-breaker Rated short-circuit breaking current
( A )
Indoor Rated current
(kV)
Type Rated voltage
2000m
Maximum site altitue 2000m max.
40 10
Ambient temperature max. to 40 min. to 10
95 90
Reltive humidity dialy average 95 ,monthly average 90
8
Shock of earthquake 8 magnitude max.
-30
Storage and transportation service over -30
In the application of no firez,explosion,heavy dust,chemical corrosion and violent vibration,etc.
Attention:
Avoid the risk of corrosion or other damage in areas
* with high humidity and/or
* with major rapid temperature fluctuations
Implement preventive measures to preclude condensation phenomena.
3Electrical data
kV 12
Rated voltage
1600, 2000,
630, 1250,
A 630, 1250 2500, 3150,
Rated current 1600, 2000
4000
Hz 50
Reated frequency
( )
kA 20 25 31.5 40 40
Rated short-circuit breaking current (rms.)
( )
kA 50 63 80 100 130
Rated short-time withstand current(peak)
kA 20 25 31.5 40 40
Rated short-time withstand current
kA 50 63 80 100 130
Rated peak withstand current
50**
Rated operations of short-circurrent breaking operations
1min
kV 48

VG1(ZN63B-12)是一种专门针对户内高压交流电力系统设计的真空断路器。其中，“VG1”通常代表该产品的型号或系列名称，它可能由特定制造商生产，例如施耐德、ABB等。ZN63B则是对该产品具体结构和功能特征的进一步描述，ZN63可能是其产品线的一个分支，而“B”后的数字12则表示该断路器的额定电压等级为12kV，即能够在交流电12千伏的电力系统中安全、有效地切断和接通电流。 简单来说，VG1(ZN63B-12)户内高压交流真空断路器是一款用于开关和保护户内高压电路的设备，利用真空灭弧技术来实现快速、无触点的操作，具有优良的绝缘性能、高可靠性以及长寿命等特点，适用于工业、配电房等高压电力设施的开关控制需求。