VS1
12kV,...4000A,...50kA
VS1 Series
Indoor Vacuum Circuit Breaker
12kV,...4000A,...50kAReliable operation device
Extremely high safty
High consistence
Extremely long life & maintenance-free
Series of product for the order1
Type and Designation
2
Operating Conditions
3
Technical Data
4
Dimensions
5
Structure and Function
VS1 6
Transport, Storage and Commissioning
7
Maintenance
8
Configuration1The vacuum circuit-breakers of type VS1 designed operations are expected.The circuit-breakers are suitable
and producted by CJEC are intended for indoor installation for autoreclosing and have exceptionally high operating
in air-insulated switchgear systems. The circuit-breakers reliability and long life.
complies with Gb/1984,JB3855, iec62771-100:2001. High consistence
The vacuum circuit-breakers of type VS1 can be The circuit-breakers are producted in assembly lines
supplied both as individual units for fixed installation and with technique mould. Therefore, the breakers have high
mounted on chassis. precision and low regulation.
Reliable operating mechanism Extremely long life & maintenance-free
The integration spring mechanism is used to ensure The circuit-breakers are made use of special material
the vacuum-switch-tube parameters of the technical date. and technique, key parts are imported from suitzerland.
The mechanism also has the following specialties:CAD, The circuit-breakers can be up to 30000 mechanical
high transmission efficiency, Low dissipation, little noise a operating cycles and can be a certain number of short-
few individual parts. One mechanism for series of circuit- circuit breaking operations and reclosing operations.
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 quality test:300 operations current and rated short-circuit breaking current:rated
before left factory, HV burn- in between the contacts.The current can be from 630A to 4000A, rated short- circuit
circuit-breakers can be used in net works where there is a breaking current can be from 20kA to 50kA.
hight switching frequency in the working current range and
/ or where a certain number of short-circuit breaking
21 Type and Designation
VS1(ZN63B) - 12 /
kA
Vacuum circuit-breaker Rated short-circuit breaking current
A
Indoor Rated current
kV
Type Rated voltage
2 Operating Conditions
2000m
Maximum site altitude 2000m max.
Shock of earthquake 8 magnitude max.
Storage and transportation service over -
In the application of no fire,explosion,heavy dust,chemical corrosion and violent vibration,etc.
Note:
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.
33 Technical Data
Electrical data
kV
Rated voltage
1250,1600, 2000,
630, 1250,
A 630, 1250 2500, 3150,
Rated current 1600, 2000
4000
Hz 50
Rated frequency
kA 20 25 31.5 40 50
Rated short-circuit breaking current (rms.)
kA 50 63 80 100 125
Rated short-circuit making current(peak)
kA 20 25 31.5 40 50
Rated short-time withstand current
kA 50 63 80 100 125
Rated peak withstand current
50**/30
Rated breaking-times of short-current breaking operations
kV 42
Rated power frequency withstand voltage(1min)
kV 75
Rated lightning impulse withstand voltage
s 4
Rated short circuit duration
A 630
Rated single capacitor bank breaking current
A 400
Rated back-to-back capacitor bank breaking current
kA 12.5(f<1000Hz)
Rated capacitor bank inrush making current
50%***
Percentage of d.c. component of breaking current
O-0.3s-CO-180s-CO( 31.5kA
Rated operating sequence

VS1型户内高压交流真空断路器是一种专门设计用于交流电力系统中的开关设备，它属于高压电器元件，主要用于在电力线路和电气设备之间开断、接通和维护额定电压等级（通常为3kV至40.5kV或更高）的电流。VS1型号可能指的是施耐德电气（Schneider Electric）等知名品牌的系列产品，其工作原理基于真空灭弧技术，能够在分闸操作时迅速并有效地将电路断开，避免电弧对绝缘材料的损害，从而确保系统的安全运行和延长使用寿命。 这种断路器具备紧凑结构、抗燃弧性能优良、操作快速响应、维护便捷以及较低的操作过电压等特点，广泛应用于工业、商业、住宅配电系统、变电站及电力设施的保护和控制中。在使用过程中，用户应按照产品手册和技术参数要求正确安装、配置和定期检查VS1真空断路器以确保其稳定可靠的运行。