Hvd7 Zw7 33Kv 36Kv Vacuum Circuit Breaker Vcb

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:

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.

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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.Use spring energy storage. 2.Operating by two ways: manual or electric operation 3.The characteristics is accordance with GB1984-2003 AC High Voltage Circuit Breakers, JB3855-96 3.6~40.5kV indoor AC HV vacuum circuit breaker, relevant regulations of IEC62271-100 standard and the technical requirements of this product. 4.Use modular type operating mechanism and embedded pole The mechanical life is M2 and electrical life is E2

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

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