Vacuum Circuit Breaker Hvd7

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:

Vacuum Circuit Breaker HVD7 40.5KV 1250A outdoor HV AC VCB from Hubei JUCRO Electric 1. Introduction HVD7 40.5KV 1250A 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 1250A 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 2.1The ambient temperature should be -30degree~ +40degree(-40degree in the frosty area); 2.2Altitude should not exceed 2000m(over 2000m is plateau type); 2.3The wind pressure should not exceed 700Pa(equal to wind speed 34m/s); 2.4Air pollution degree: 3,that of antifouling type:4; 2.5The installation site should be free from the fire, explosion, chemical corrosion and serious vibration.

Vacuum circuit breaker serves in the power system of 10kv and three-phase ac 50hz to function as switching different kinds of loads needing frequent operation, and can protect and control electric equipment in the industrial & mineral enterprise, power plant and substation as well. It can coordinate with the kyn28a-12(gzs1) middle-arranged manual-driven switchgear or xgn- stantionary switchger as well. Main technical parameter: Rated voltage 12kv Rated current 630~3150a Rated short-circuit breaking current 20~40ka Rated peak withstand current 50~100ka Rated short-time withstand current 20~40ka Rated duration short-time 4s Machanical endurance 20000 times Carton package

VN3-12E indoor medium-voltage AC vacuum circuit breaker is a newest product designed by our company which is applicable to 3-phases AC50Hz, 12kV indoor switch systems. The product is with characteristics of smaller volume, reliable insulation, no pollution, long time free maintenance and so on. It is produced with standardized circuit breaker assembly line and has good performance and perfect quality. 1. Equipped with modularized operating mechanism which make the maintenance and the replacing are more convenient. The replace of module do not affect the dynamic capability and also shorten the power-off duration. 2. The interrupter and primary circuit are sealed in the epoxy resin, which makes the circuit breaker is more reliable 3. The pole using convected and ventilated technique and lower resistance vacuum circuit breaker limit the temperature rising because of circuit breaker working for a long time and also reduce the power loss. 4. The operating mechanism is designed uniquely and avoids the moving contact over-rebounding when the circuit breaker is opened and prolong the vacuum interrupter mechanical life. 5. Past the type test according to the national standards such as GB, DL, international standards of IEC, CEI, DIN, VDE and other major industrialized countries.

VN2-24 indoor high voltage AC vacuum circuit breaker is a new designed our which is applicable to air-insulated indoor switch system. The whole structure is assembled with the switch body and operating mechanism. It is produced with standardized circuit breaker assembly line and has good performance and perfect quality. 1. Have a wide range with rated current from 630a to 3150a and rated short-circuit breaking current from 20ka to 31.5ka. The mechanical life can be up to 20000 cycles. 2. Be intended for indoor installation in air-insulated switchgear and have fixed version or withdraw able version. 3. Have perfect switching-capacity which can handle any condition arising from switching of equipments and components under normal operating or fault conditions particularly short-circuit and over-load. 4. Adopt coopers vacuum interrupter which is smaller volume, lower resistance, longer lifetime, better atmosphered technique, more perfect insulation and higher breaking capacity. 5. Be with more perfect external insulation because of the vacuum interrupter and main circuit being cast in epoxy resin poles. 6. Comply with stipulations defined in standards of gb, gl, iec, cei, din, vde and other major industrialized countries.

Vacuum circuit breaker Our products are inexpensive and have super quality. All products have passed the iso9001 international quality certification, some model passed europe certificate for e-mark.. We can provide all sorts of products with advantage in technology, quality and cost.

VED-12 series indoor high voltage vacuum circuit breaker is suitable for 12kV air-insulated indoor switchgear, used as protection and control unit of power equipment of industrial & mining enterprise. Due to the super excellence, it is especially suitable for locations where requires the frequent operation under rated working current or multiple breaking under short circuit breaking current. The circuit breaker adopts the integrated design of operating mechanism and circuit breaker body, servers as not only fixed installation, but also draw-out type equipped with a special propelling mechanism. VED-12 has two main types. One is Draw-out type. Model No. is VED-12D. The other is Fixed type. Model No. is VED-12F. Service conditions 1 Environment temperature:-15°C~+40°C; 2 Environment humidity: Daily average relative humidity:â?¤95%, monthly average relative humidity:â?¤90%; Daily average saturated vapor pressure:â?¤2.2Ã?10-3Mpa,monthly average saturated vapor pressure:â?¤1.8Ã?10-3Mpa; 3 Altitude: Not exceed 1000m; 4 Earthquake intensity: Not exceed°ree; 5 Service location: No water, flammable or explosive matter, chemical corrosive gas or drastic vibration.

1ï¼?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:

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 , 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.