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，它采用了先进的真空灭弧技术来熄灭电弧。该断路器适用于额定电压等级较高的场合，例如3kV至40.5kV，能够可靠地切断负荷电流和短路电流，提供快速、无火花的分合闸操作，确保电力系统的安全稳定运行。 VS1断路器通常具有紧凑的结构，占用空间小，重量轻，并具备良好的绝缘性能和耐高温能力，能够在恶劣的工作环境下保持其电气特性和机械强度。此外，真空灭弧室能有效防止触头氧化和金属蒸汽污染，从而显著延长了断路器的使用寿命和维护周期。 在电气工程中，VS1高压交流真空断路器广泛应用于变电站、配电网以及电力设施的馈出线路保护与控制，是现代电力系统中不可或缺的关键元件之一。