VACCUM CIRCUIT BREAKER ALL TYPE OF ABB VACCUM CIRCUIT BREAKER VD4 12.12.25 , VD4 12.12.40, VD4 07.12.25.... MANY MORE 11 KV , 33KV . VD4Medium voltage vacuum circuit-breaker12 kV - 1250...4000 A - 63 kA36/40.5 kV - 630...3150 A - 16...40 kAMedium Voltage Products The VD4 are a synthesis of the renownedtechnology in designing and constructing vacuuminterrupters embedded in resin poles, and ofexcellency in design, engineering and productionof medium voltage circuit-breakers.Embedding the interrupter in resin makes thecircuit-breaker poles particularly sturdy andprotects the interrupter against shocks, accumula-tion of dust and humidity.The vacuum interrupter houses the contacts andmakes up the interrupting chamber.
Yangzhou new concept electric co., ltd. Has independently developed 72.5kv intelligent phase selection (synchronous) hv permanent-magnetic vacuum circuit breaker (hereinafter referred to as "intelligent circuit breaker") at world advanced level by integrating domestic and foreign advanced technologies, adopting the new design concept and applying hi-tech means. With permanent-magnetic mechanism, vacuum arc extinction, integrated sensor and arm+dsp processor, this intelligent circuit breaker self-adapts to own parameters and the impact of environment, thus being the first choice for the realization of power grid intelligentization. This product conforms to iec60298, gb3906-2006, gb/t 11022-1999, dl/t 593-2006, gb 1984-2003 standards, etc. major technical parameters are shown below: Rated voltage 72.5kv Rated current 1600/2000/2500a Rated frequency 50hz Rated short-duration (1 min) power frequency withstand voltage 160kv Rated short-circuit breaking current 31.5ka Thermal stability current(4s) 31.5ka Rated lightning impluse withstand voltage(to earth/break) 350kv Dynamic stability current(peak value) 80ka Rated short-circuit current breaking times 20 times Operating time 40-60ms Operating voltage Ac/dc220v Mechanical service life >10000 times Main circuit resistance
BRAND:L&T LARSEN & TOUBRO AIR CIRCUIT BREAKER C -POWER ALL TYPE EDO AND MDO AVAILABLE.
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:
WSD-ZW32-24D Outdoor AC high voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is a rated voltage of 24 KV, 50 HZ three-phase AC outdoor distribution equipment.The utility model has the advantages of stable and reliable interruption performance, no danger of combustion and explosion, maintenance-free, small size, light weight and long service life.It is mainly used for breaking and closing the load current, overload current and short circuit current in power system.It is suitable for protection and control in power distribution systems of substations and industrial and mining enterprises, and more suitable for rural power grids and frequently operated places. This product meets GB1984-2003 "High Voltage AC Circuit Breakers" and DL/T402-2007 "Technical Conditions for Order of High Voltage AC Circuit Breakers" and DL/T403-2000 "Technical Conditions for Order of 12 kV~40.5 kV High Voltage Vacuum Circuit Breakers" and other technical standards.
CHARACTERISTICS 1. The vacuum arc extinguishing chamber uses longitudinal magnetic field arc extinguishing technology, which has the characteristics of long electric life and high reliability. 2. The imported silicone rubber/epoxy resin for outdoor use and the present APG vacuum injection technology are adopted. 3. Anti-ultraviolet, moistureproof, anti-corrosion, with the advantages of preventing surface discharge, good hydrophobicity and high mechanical strength. 4. Using simple and reliable spring operating mechanism, it has the advantages of small size and light weight. 5. high voltage vacuum circuit breaker can be equipped with isolation switch and three-phase linkage. It has visible breaks when the isolation switch is switched off. It also has anti-mistake interlock between the isolation switch and the circuit breaker body. It can be equipped with arrester strut insulators. Operational sequence When operating the disconnector, the first step is to confirm that the circuit breaker should be in the open state. Use the insulated tie rod hook to fasten the closing pull ring or the opening pull ring of the operating handle of the isolation closure, pull down slightly, drive the spindle to rotate, open or close the isolation switch. When the spindle rotates the dead point position of the compression spring, a certain tension is maintained so that the blade can be reliably closed or opened to a safe isolation position.
Zn68-12 series of indoor high voltage vacuum circuit breaker is three phase a.C.50(60) hz indoor high voltage distribution equipment with 12kv rated voltage and below. This kind of circuit breaker is characterized by simple construction, strong breaking capability, long life with complete operating functions and convenient maintenance. It is suitable for controlling and protecting transmission and distribution system such as power generation plant and substation, especially used in the field where it is frequently operated.This kind of vacuum circuit breaker can be used for fixed switchgears (xgn2 and ggia), it also can be equipment with truck used for varies panels like jyn2, kyn1 and kyn49 as well as used for reconstruction for old-fashioned oil switchgear.
Vsm-12 series vacuum circuit breaker
ZW32-24 type outdoor pole-mounted HV vacuum CB (hereinafter referred to as CB) is rated voltage24kV, 50Hz three-phase AC outdoor power distribution equipment used for power distribution network to break and close load current, over-load current and short-circuit current in electric systems. It is used in substation and industrial & mining enterprise power distribution system for protection and control, better fits countryside power grid and frequent operation places, especially for the retrofit of urban power network and countryside power network. Characteristic: The CB applies three-phase pole-type structure. It has characteristics of stable closing/breaking property, no fire or explosion danger, maintenance-free, small dimension, small weight, long service life, etc. The CB is hermetical sealed, and is moisture-resistant, anti-condensation. It is especially suitable for application at severe cold and damp areas. Three-phase pillar and current transformer apply imported outdoor epoxy resin solid insulation materials. It is high/low temperature resistant, UV-resistant and anti-ageing. The operating mechanism is miniature spring operating mechanism with low breaking/closing energy consumption. The driving of it applies straight transmission with little components and high reliability. The operating mechanism is enclosed in a cabinet, and that makes it rust-resistant and more reliable.
* 1P, 2P, 3P, 4P * Rated Current In(A):1~125 * Rated Voltage Ue(V): 230/ 400 * Rated Frenquency(HZ): 50/60 * Rated Short Circuit Capacity Icn (A): 10000
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.
ZN12-12 series of indoor HV vacuum circuit breaker is three phase A.C.50 (60) Hz indoor high voltage distribution equipment with 12kV rated voltage and below. This kind of circuit breaker is characterized by simple construction, strong breaking capability, long life with complete operating functions and convenient maintenance. It is suitable for controlling and protecting transmission and distribution system such as power generation plant and substation, especially used in the fields where it is frequently operated.This kind of vacuum circuit breaker can be used for fixed panels (XGN2 and GGIA), it also can be equipment with truck used for varies panels such as JYN2, KYN1 and KYN49) as well as used for reconstruction for old-fashioned oil switchgear.
Circuit breaker The circuit breaker mainly serves for protecting the circuits of ac 50 hz, 230vof single pole, 230v/400v of two poles and 400v of three or four poles from overload or short-circuit, and also for unfrequent making and breaking electrical apparatus and lighting circuit. Packed in export cartons
Standard rating: 1-20 ampere. Input power: 12 VDC /125 VAC / 250 VAC. Dielectric strength: 1500 VAC / 1 minute. Reset: manual push reset. Approvals: CSA, VDE, CSA C/US.
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Mini circuit breaker is suitable for wires of AC 50Hz, rated voltage of 400V,rated current of 32A(63A)D, with some protection functions such as leakage because of getting an electric shock, overload, short circuit, etc., and it can add over-voltage protection function according to users’ requirements. It mainly used in building lighting and protection of power distribution system. This product accords with IEC61009 and GB16917.1 standard.
DZ47-63 Series High Breaking Capacity Mini Breaker may be used in such occasions with AC 50 or 60Hz, rated working voltage of 415V or below and rated working current of 63A.It can servefor the illumination of office, residential housing and similar buildings and its distribution wires and protect the distribution circuit and equipment against overload and short-circuit.It can also be used for infrequent conversion of circuit under normal conditions. Rated current:1A, 3A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A Number of poles:1p, 2p, 3p, 4p Working voltage:From 240V to 415V DZ47LE Series Leakage Circuit Breaker may be used in the circuit with AC 50 or 60Hz, rated voltage of 230V or 400V and rated current of 63A or below. It can prevent personnel from electric shock, protect equipment against leakage and the circuit against overload and short-circuit It can also serve as infrequent conversion of circuit and infrequent startup operation of motor under normal conditions. Number of poles: 1p+n, 2p, 3p, 3p+n, 4p, Working voltage: 240V, 380/400V, 240V, 240/415V Rated current: 1A, 3A, 6A, 10A, 20A, 25A, 32A, 40A, 50A, 63A DZ20 series Moulded Case Circuit Breaker (hereafter refers to as circuit breaker) to be suitable to exchanges 50HZ. The nominal current from 16A to 1250A, fixed insulation voltage 660V, fixed working voltage 380V (400V) and in the below electric circuit makes the infrequent transformation and the electric motor infrequent starting using of. The circuit breaker has the overload, short-circuits and owes the voltage protective device, can protect the line and the power equipment is not damaged. This circuit breaker may be vertical the installment (namely vertical stroke to install), also may the level installment (namely horizontal attire). This circuit breaker carries out the standard: GB14048. 2 and IEC60947-2. Product model: Dz20-100, dz20-225, dz20-400, dz20-630, dz20-800, dz20-1250 Rated current: From 16A to 1250A Rated working voltage: 380V DZ30LE-32 Leakage Protector may be used in single-phase domicile circuit with AC 50 Hz or 60Hz, rated voltage of 220 V and rated current of 32 A. It can prevent personnel from electric shock, and protect vivil electric lines against overload and short-circuit. This product is of such characteristics as small volume, high breaking capacity and cutting off the live and zero lines at the same time. Rated current: 3A, 6A, 10A, 16A, 20A, 25A, 32A Number of poles: 1p+n Working voltage: 220V
Product Description Major Technical Data: Rated voltage: 12KV Rated frequency: 50HZ Rated current: 630A. 1250A. 1600A. 2000A. 2500A. 3150A. 4000A. 5000A. Rated short circuit current to be turn-off: 20KA. 31. 5KA. 40KA. 63KA. Mechanical lifetime of the operating device: í¦100, 000 times (5000A 63KA Mechanical lifetime: í¦60, 000 times) Mechanical lifetime: (630A-1250A) 20KA í¦50, 000 times. (1250A-3150A) 31. 5KA í¦50, 000 times (1250A-4000A) 40KA í¦30, 000 times (5000A) 63KA í¦30, 000 times Operating voltage for switch-on and switch-off: DC220V or AC220V. Model: ZN73A-12 Standard: ISO9001 CQC CCC.
DZ47-63 Miniature Circuit Breakers has small size, light weight, novel structure and excellent performance. The material of enclosure and inside plastically parts is fire resistance and withstand shocking. It is used in the circuit of 50/60Hz,rated voltage 230/400 V, rated current up to 100A as protection against overload and short circuit. It is also used as protection against frequent switchover.
