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型戶內(nèi)高壓交流真空斷路器是一種專門設(shè)計(jì)用于交流電力系統(tǒng)中的開關(guān)設(shè)備，它采用了先進(jìn)的真空滅弧技術(shù)來熄滅電弧。該斷路器適用于額定電壓等級(jí)較高的場(chǎng)合，例如3kV至40.5kV，能夠可靠地切斷負(fù)荷電流和短路電流，提供快速、無火花的分合閘操作，確保電力系統(tǒng)的安全穩(wěn)定運(yùn)行。 VS1斷路器通常具有緊湊的結(jié)構(gòu)，占用空間小，重量輕，并具備良好的絕緣性能和耐高溫能力，能夠在惡劣的工作環(huán)境下保持其電氣特性和機(jī)械強(qiáng)度。此外，真空滅弧室能有效防止觸頭氧化和金屬蒸汽污染，從而顯著延長(zhǎng)了斷路器的使用壽命和維護(hù)周期。 在電氣工程中，VS1高壓交流真空斷路器廣泛應(yīng)用于變電站、配電網(wǎng)以及電力設(shè)施的饋出線路保護(hù)與控制，是現(xiàn)代電力系統(tǒng)中不可或缺的關(guān)鍵元件之一。