Vbdc-24 Vcb/ Vacuum Circuit Breaker

brand new Eaton KD3350 Series 3 Industrial Circuit Breaker with 3 poles and a rating of 350A at 600V. It is a premium quality product from a reputable brand and is designed for use in industrial automation and motion control applications. The breaker is compatible with the Automate controller platform and is perfect for use in PLC processors

VS1-12 type indoor high voltage vacuum circuit breaker is the indoor switch device for three-phase AC 50Hz, rated voltage 12kA power system, can be used for electrical equipment control and protection in power plant, substation and industrial and mining enterprises, and is suitable for frequent operation place, can be installed in the KYN28-12 type and other armored cabinet, can also be installed on the fixed cabinet or gas insulated cabinet.

Design feature
VS1-12kV indoor medium voltage sealed vacuum circuit breaker
(12kV, .4000A, .50kA)
VS1 indoor medium voltage sealed vacuum circuit breaker with maintenance free sealed vacuum pole, can equipped with modular spring assembling actuator and permanent magnetic actuator; has the features of reliable performance, long mechanical life, maintenance free, small mechanical movement, has the advantages of simple structure, good process performance, but also can be applied to all kinds of bad working environment.
VS1 circuit breaker pole adapts the solid insulation sealing technology, seal the vacuum interrupter and primary main galvanic circle and other parts into strong insulation, high mechanical strength pole with epoxy resin, avoid the influence of adverse operating environment on the primary circuit external insulation, realizes completely maintenance free.
VS1 circuit breaker adapt ultra low resistance type vacuum interrupter, meet the VCP circuit breaker requirements on the temperature rise at big current operation situation and reduces the power losses.
VS1 circuit breaker adapt optimization and modular spring operating mechanism, simple structure, stable performance, convenient maintenance; modular production process is good, easy standardization production, short delivery cycle.

1.With the voltage of 40.5kV is three-phase AC, 50/60 Hz indoor power distribution equipment.
2.It is used for switchgear KYN61-40.5(Z)
3.It is accordance with GB1984 AC HV vacuum circuit breaker standard.
4.It effectively reduces the dimensions of VCB, the overall arrangement is reasonable and simple,with aesthetic appearance.
5.It has high reliable with characteristics of long life and easy maintenance and free-maintenance for operating mechanism.
6.Meet the Five Preventions function.

1. General
VS1 12KV vacuum circuit breaker VCB
HVD1-12(VS1-12) type indoor AC HV vacuum circuit breaker VCB (hereinafter referred to as circuit breaker) are suitable for 12kV air-insulated indoor switchgears, used as protection and control unit of power equipment of industrial& mining enterprise. Due to the super excellence, it is especially for location where requires the frequent operation of rated working current or multi breaking short circuit current.
The circuit breaker adopts the integrated design of operating mechanism and circuit breaker body, servers as not only fixed installation, but also the handcart unit through equipping with a special propelling mechanism.

2. Service conditions
3.1 Environment temperature:-15degree~+40degree;
3.2 Environment humidity: Daily average relative humidity:

1. General
HVD32 ZW32 This vacuum circuit breaker VCB is three-phase AC 50Hz, rated voltage 12 kV outdoor high voltage switch equipment. It is mainly used to opening(closing) load current, overload current and short-circuit current. It is suitable to protect or control the city or village electrical power distribution system.
2 . Main technical parameter
Rated voltage: 12 kv
1 minute rated power frequency withstand voltage: Phase to Phase, to Ground 42 kv / Fracture 48 kv
Rated current: 630A / 1250A
Rated short circuit breaking current: 12.5KA, 16KA, 20KA / 25KA
Rated short-circuit current (peak): 31.5KA, 40KA, 50KA / 63KA
Rated peak withstand current: 31.5KA, 40KA, 50KA / 63KA
4s rated short time withstand current: 12.5KA, 16KA, 20KA / 25KA
Rated operating sequence: O-0.3s-CO-180s-CO(Electric operation)
Closing time: 30-60 ms
Opening time: 20-40 ms
Rated short circuit breaking current breaking times: 30 times
Mechanical life: 10,000 times
Secondary circuit 1 minute power frequency withstand voltage: 2000 v
Energy storage motor rated power: 40 w
Energy storage motor rated voltage V: DC220/110
Rated closing operation voltage v: DC220/110, AC220/110
Rated switching operation voltage v: DC220/110, AC220/110
Electric energy storage time: =8 s

VIB-24 Indoor High Voltage Vacuum Circuit Breaker is a new generation vacuum circuit breaker for Shaanxi Shaankai-Longxiang Electrical Ltd. It is independently designed and developed by our-selves on the basic of absorbing the merit of same type for the products at home and abroad. The Product conforms to national standard GB1984-2003 <>, JB3855-1996 <<3.6~40.5kV Indoor AC HV Vacuum Circuit Breaker>>, DL/T403-2000<> and some stipulation of IEC, the capability reach requirement of M2-E2-C2 grade.
VIB-24 Indoor High Voltage Vacuum Circuit Breaker adopt the incorporate design with operating mechanism and reality of VCB, it can be used for fixed installation unit and also can be used for withdrawable by equipped with mainstream Switchgear.

1. Introduction
HVD7 33KV 36kv outdoor HV AC vacuum circuit breaker VCB has many visual advantages like reasonable design, fashionable appearance, high safety and reliability, simple maintenance, long electric life. It is the ideal upgraded products of 35KV outdoor oil circuit breakers.
HVD7-40.5 vacuum circuit breaker is applicable for three-phase power system of AC 50HZ.It is used to make and break the load current ,overload current and short-circuit current.

2. Applicable environment
3.1The ambient temperature should be -30degree~ +40degree(-40degree in the frosty area);
3.2Altitude should not exceed 2000m(over 2000m is plateau type);
3.3The wind pressure should not exceed 700Pa(equal to wind speed 34m/s);
3.4Air pollution degree: 3,that of antifouling type:4;
3.5The installation site should be free from the fire, explosion, chemical corrosion and serious vibration.


1. Main technical parameters
Rated voltage: 33kv 36KV
1 minute power frequency withstand voltage, dry test: 95 kv
1 minute power frequency withstand voltage, wet test: 80 kv
Lightning impulse withstand voltage(peak value): 185 kv
Rated current: 1600A / 2000A
Rated short-circuit breaking current: 20KA, 25KA, 31.5KA
Rated short-circuit making current(peak): 50KA, 63KA, 80KA
Rated operating sequence: O-0.3s-CO-180s-CO
Rated short-time withstand current: 20KA, 25KA, 31.5KA
Rated peak withstand current: 50KA, 63KA, 80KA
Rated short-circuit duration: 4 s
Rated control voltage: AC220,110;DC220,110
Rated short-circuit breaking current break times: 20 times
Full-break time:

1.General
HVD85 ZN85 33kv 36KV indoor vacuum circuit breaker VCB is suitable for three-phase AC power system of 50Hz and 36kV, used to make and break the load current, overload current and fault current in industrial and mining enterprises, power plants and transformer substations, meanwhile, it is suitable for the occasion where the frequent operation is required.

2. Service conditions
2.1The ambient air temperature should be -15?~40?, the daily average temperature should not exceed 35?.
2.2 Daily mean relative humidity should not exceed 95%, and the daily mean vapor pressure should not exceed 2.2kPa; the monthly mean relative humidity should not be higher than 90%, and the monthly mean vapor pressure should not exceed 1.8kPa.
2.3 Altitude: Not exceed 1,000m.
2.4 The ambient air should be free from the dust, smoke, corrosive and flammable gas, steam, salt fog, et…


Main specifications and technical parameters
Rated voltage: 33KV 36kv
Power frequency withstand voltage: 95 kv
Lighting impulse withstand voltage: 185 kv
Rated current: 1250A, 1600A, 2000A
Rated short-time withstand current: 25KA, 31.5KA
Rated peak value withstand current: 63KA, 80KA
Rated short-circuit duration: 4 s
Rated short-circuit breaking current: 25KA, 31.5KA
Rated short-circuit making current: 63KA, 80KA
Rated operation sequence: O-0.3s-CO-180s-CO
Breaking time: