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
BH series overload short circuit single pole circuit breaker is characteristic of small size, light weight, novel structure and excellent performance. They are mounted in the illuminating distribution board and used in guesthouses, block of flats, high buildings squares, airports, railway stations, plants and enterprises ext, in AC circuits 240V (Single pole) up to 415V (3 pole) 50Hz, for protection of overload short circuit and for circuit change-over in lighting system. Breaking capacity is 3KA.
CW1 series intelligent universal circuit breaker (hereinafter referred to as circuit breaker), Apply to 50Hz AC, Rated voltage to 660V (690V) and below, in the distribution network with rated current of 200A ~6300A, circuit break used to distribute electric energy and protect circuit and power equipment from overload, undervoltage, shortcircuit, single-phase grounding and other faults has intelligent protection function. Selective protection is accurate, it can improve the reliability of power supply, avoid unnecessary power failure, and has an open communication interface. It can carryout "four remote" to meet the requirements of the control center and the automation system. The circuit breaker has a pulse withstand voltage of 8000V at an altitude of 2000 meters (the maximum withstand voltage is not more than 12000V according to the standard for different altitudes). The circuit breaker can be used as an isolator without intelligent controller and sensor, and is marked as -*The circuit breaker conforms to GB14048.2 "Low Voltage Switchgear and Control Equipment Low Voltage Circuit Breaker" and EC60947-2 "Low Voltage Switchgear and Control Equipment Circuit Breaker" and other standards. Normal Working and Installation Conditions Ambient air temperature The upper limit value shall not exceed +40 �ºC, the lower limit value shall not be lower than-5 �ºC, and the 24-hour average value shall not exceed +30 C; Note: For working conditions with the lower limit value of-10 C or-25 C, the user should declare it with the company. For working conditions where the upper limit value exceeds + 40T: or the lower limit value is lower than-10 C or-25 C, the user shall negotiate with the company; The altitude of the installation site shall not exceed 2000m. Atmospheric conditions The atmospheric relative humidity shall not exceed 50% when the ambient air is + 40 C, and may have higher relative humidity at lower temperatures. The monthly average maximum relative humidity in the wettest month is 90%, and the average minimum temperature in that month is + 25 C. Considering that the condensation on the product surface due to temperature change exceeds the specified requirements, the company shall be consulted. Protection level: IP30 Pollution level: III Use category: category B or category A Installation category Circuit breakers with rated working voltage of 660V (690V) and below, undervoltage releases and primary coils of power transformers are used for installation of Class IV; The installation category of auxiliary circuits and control circuits is III; The circuit breaker shall be installed according to the requirements of this specification. The vertical inclination of the circuit breaker shall not exceed 5 degrees (the inclination of the mine circuit breaker shall not exceed 15 degrees).
CW1 series intelligent universal circuit breaker (hereinafter referred to as circuit breaker), Apply to 50Hz AC, Rated voltage to 660V (690V) and below, in the distribution network with rated current of 200A ~6300A, circuit break used to distribute electric energy and protect circuit and power equipment from overload, undervoltage, shortcircuit, single-phase grounding and other faults has intelligent protection function. Selective protection is accurate, it can improve the reliability of power supply, avoid unnecessary power failure, and has an open communication interface. It can carryout "four remote" to meet the requirements of the control center and the automation system. The circuit breaker has a pulse withstand voltage of 8000V at an altitude of 2000 meters (the maximum withstand voltage is not more than 12000V according to the standard for different altitudes). The circuit breaker can be used as an isolator without intelligent controller and sensor, and is marked as -*The circuit breaker conforms to GB14048.2 "Low Voltage Switchgear and Control Equipment Low Voltage Circuit Breaker" and EC60947-2 "Low Voltage Switchgear and Control Equipment Circuit Breaker" and other standards. Normal Working and Installation Conditions Ambient air temperature The upper limit value shall not exceed +40 �ºC, the lower limit value shall not be lower than-5 �ºC, and the 24-hour average value shall not exceed +30 C; Note: For working conditions with the lower limit value of-10 C or-25 C, the user should declare it with the company. For working conditions where the upper limit value exceeds + 40T: or the lower limit value is lower than-10 C or-25 C, the user shall negotiate with the company; The altitude of the installation site shall not exceed 2000m. Atmospheric conditions The atmospheric relative humidity shall not exceed 50% when the ambient air is + 40 C, and may have higher relative humidity at lower temperatures. The monthly average maximum relative humidity in the wettest month is 90%, and the average minimum temperature in that month is + 25 �ºC. Considering that the condensation on the product surface due to temperature change exceeds the specified requirements, the company shall be consulted. Protection level: IP30 Pollution level: III Use category: category B or category A Installation category Circuit breakers with rated working voltage of 660V (690V) and below, undervoltage releases and primary coils of power transformers are used for installation of Class IV; The installation category of auxiliary circuits and control circuits is III; The circuit breaker shall be installed according to the requirements of this specification. The vertical inclination of the circuit breaker shall not exceed 5 degrees (the inclination of the mine circuit breaker shall not exceed 15 degrees).
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.
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.
SH200 Miniature Circuit Breaker Resin Type, ,Sh200 Mcb
* 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
Standard Withdrawable Vacuum Circuit breaker type 3AH equipped with: Tripping Coil, Closing Coil, and Spring Charging Motor. Variations for Circuit Breaker options Range of Operating Voltages Second Trip Coil Undervoltage Release Electrical Lockout Extended Auxiliary Switches for Withdrawable Metering Truck Range of voltages Open delta winding Primary Fuses, DIN style Metering Compartment Standard Withdrawable Voltage transformer, three single phase devices each with a single secondary winding Variations: Voltage Transformer options : Range of Voltages Open-Delta Winding Primary Fuses, DIN style Busbar Compartment Standard Busbar : 800 / 1250 / 2000 / 2500A Droppers: 800 / 1250 / 2000 / 2500A Low Voltage Compartment Standard 700 mm high complete Gear Plate
- USED ELCB - Made in Korea brands (Mixed : LS, Hyundai, Daco....) -15 ~ 30A - 8 ~10pcs/kg (FOB 4.9usd /kg)
BDZ52 Explosion Proof Circuit Breaker Applications: Explosive gas atmosphere Zone 1 and Zone 2 Combustible dust areas Zone 21 and Zone 22 Explosive gas mixture classification IIA, IIB, IIC Explosive gas ignition temperature group T1-T6(T4) Technician specifications Meet a criterion:GB3836.1, GB3836.2, GB3836.3, GB12476.1, GB12476.5,IEC60079-0, IEC60079-1, IEC60079-7, IEC61241-0,IEC61241-1,EN60079-0,EN60079-1, EN61241-0, EN61241-1-1 Explosion-proof mark: Exd II BT4 Gbã?�Exd II CT4 Gbã?�Exde II BT4 Gbã?�Exde II CT4 Gbã?�ExtD A21 IP66 T130? Rated voltage:AC220V/380V Rated current:MCB¤63A 63A
A6 1P circuit breaker switch belongs to the advanced level of the nineties in the world. They have protective functions as shortage and overloading,and are used in lighting distribution system in industry,commerce and dwelling,and protect fractional electric motors.And they also have many merits of high protective grade(up to IP20),high breaking capacity,good reliability of sensitive action,convenient multi-pole assorting,long using life etc.They are mainly adapted to the circuit of AC50Hz, 230V in single pole,400V in double,three on four poles for protecting overload and shortage.Meanwhile,they are also used in turning on or off the electric apparatus and lighting circuit under the normal condition.
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Miniature Circuit Breaker Automatic Assembly and inspecting line MCB Automatic Assembly and inspecting line Keyword: Miniature Circuit Breaker Automatic Assembly, Miniature Circuit Breaker, Automatic Assembly line, Assembly Machine, Assembly Production Line Product Introduction Basic operation process: ï?¼Loading by AGV robots, printing QR codes based on the product work order issued by the SAP system, and then separating the upper and lower shells. ï?¼Bottom coating of the upper shell: The installation of three components is completed through ten processes, and after each assembly is completed, there is a corresponding installation accuracy testing process to ensure that the assembly is completely qualified. ï?¼Installation of lower shell components, upper and lower shell assembly: A total of 25 processes are used to install 12 components. After each part is assembled, guide pins are used to ensure the upper and lower assembly. After the installation of internal components is completed, the product's on/off function is tested. After passing the test, rivets are installed, pressed again, and the screws are removed. All installations are checked, and after passing the test, they are transferred to the inspection station. ï?¼Unipolar products undergo instantaneous detection, delay detection, cooling tower and other unit inspections, and are then labeled with QR codes and covers before being transferred to the next workstation. ï?¼Multi pole products require 9 steps of multi pole assembly, and after assembly, a second delay is performed to verify the stability and reliability of the product ï?¼Finally, it is transferred to the automatic packaging unit through pressure resistance testing, transfer printing, laser labeling, and buckle installation. The specific parameters: (1) Equipment input voltage: 220V �± 10%, 50Hz; (2) The equipment has functions such as automatic shell loading, lid opening, assembly of arc extinguishing plates, magnetic guide plates, handle springs, base springs, positioning pins, handles, jump buckles, locks, coil components, iron core components, wiring columns, adjustment screws, arc extinguishing covers, CCD recognition, lid closing, identification of qualified and unqualified products, assembly of cutting processes, online detection, real-time monitoring, component life monitoring, data storage, MES system and ERP system networking, parameter arbitrary formula, smart energy analysis and energy-saving management system, intelligent equipment service big data cloud platform, etc. (3) Theoretical production effeciency: 2 seconds per unit; Daily production of approximately 14400 pieces/8 hours; (4) This device has the function of power-off to save data for 30 days, making it easy to manage production data; (5) This device adopts touch screen operation, has a computer communication interface, and printing function
NW12N13PEF2.0E Air Circuit Breaker Masterpact NW12N1: 1250 A, 3 poles, fixed trip unit and Motorized
Factory price industrial 56CB4N ip66 electronic circuit breaker plug covers electrical Power Distribution Box Model Number: 56CB4N Breaking Capacity: Rated Voltage: 240V Rated Current: 0.03A BCD Curve: C Type: Other Rated Frequency (Hz): 50HZ Number of Pole: 2 Protection: Other
CBM-II Series circuit breaker manager (CBM) is an integrated control relay, designed for 3KV to 35KV indoor switchgear, used for replace multiple components in LV compartment, can reduce LV panel space occupation. On it's panel it provide primary circuit simulation diagram, switch indicator, VCB status & control switch, environment control, high voltage indicator etc. Special sound prompt function can remind staff to operate the switchgear safely. It can be used in various types of switchgear such as GZS (Centrally Installed Switchgear), Handcart Cabinet, Fixed Cabinets, Ring Main Unit, etc.
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.
4p 1000V DC Solar Mini Circuit Breaker Description: PQB1Z-63 4P PV DC breaker supplementary protectors are designed to provide overcurrent protection within appliances or electrical equipment, where a branch circuit protaction is already providedd or not required. Devices are designed for direct current(DC) control circuit applications. Technical Parameter: Item DC MCB Code PQB1Z-63 Pole 1P 2P 3P 4P Voltage 250VDC 550VDC 800VDC 1000VDC Current 1A,3A,6A,10A,16A,20A,32A,40,50A,63A Standard IEC/EN60947 Breaking Capacity 6KA,10KA Characteristic Curve B,C,D Working Temperature "-5°"to +40° Protection Degree IP20 Electrical life More than 8000times Mechanical life More than 2000times Dimension(W)X(H)X(D) 18X80X71 36X80X71 54X80X71 72X80X71 Installation 35MM DIN RAIL Accessory YES Installation Altitude â?¤2000M
