Moulded Case Circuit Breaker Suppliers and Manufacturers

Mini circuit breaker has novel structure , reliable performance, high breaking capacity, pleasing outlook and small size. Its case and items are adopted by high fireresistant and shockproof plastics, it mainly used in the building office, house and similar building for illuminating at ac 50hz(60 hz), rated voltage below 400v , rated current below 100 a, distribution circuit and equipment overload, short circuit protection .It can also be used for unfrequent switch over of the circuit under normal conditions .This product conforms to the requirement of iec 60898&gb 10963 standards.

Mini circuit breaker has novel structure , reliable performance, high breaking capacity, pleasing outlook and small size. Its case and items are adopted by high fireresistant and shockproof plastics, it mainly used in the building office, house and similar building for illuminating at ac 50hz(60 hz), rated voltage below 400v , rated current below 100 a, distribution circuit and equipment overload, short circuit protection .It can also be used for unfrequent switch over of the circuit under normal conditions .This product conforms to the requirement of iec 60898&gb 10963 standards.

Mini circuit breaker has novel structure , reliable performance, high breaking capacity, pleasing outlook and small size. Its case and items are adopted by high fireresistant and shockproof plastics, it mainly used in the building office, house and similar building for illuminating at ac 50hz(60 hz), rated voltage below 400v , rated current below 100 a, distribution circuit and equipment overload, short circuit protection .It can also be used for unfrequent switch over of the circuit under normal conditions .This product conforms to the requirement of iec 60898&gb 10963 standards.

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.

HVD8 /LW8-40.5 type outdoor high-pressure sulfur hexafluoride circuit breaker is three-pole ac 50 hz, outdoor high voltage switch equipment, applicable to 40.5 kV power transmission and distribution system control and protection, can also be used to contact circuit breaker and movable capacitor group.

Introduction The LWâ?¡-252/4000-50 self-extinction Ac circuit breaker which is outdoor type finds its universal range of applications for the electrical system with elevation not greater than 2000m, ambient temperature not lower than-30C, dirtiness grade not higher than IV, alternating current 50Hz and the maximum voltage 126kV. It is used for cutting the rated current, malfunction current or switching the circuitry, to control and protect the electrical system, and it can also be used for connecting with the circuit breaker The gas of the SF6 is employed as the arc-extinguishing medium and the dielectric material. The self-extinction technology and the new-type spring operating mechanism are introduced in the SF6 circuit breaker. Thus the circuit breaker has good qualities with long electrical life, low operation power, lower noise, high reliability, simple structure, small and long overhaul periods. It can fully replace the import same type one. Caracteristic of structure The breaker introduces the three-phase porcelain -pole with single interrupter structure. A spring operating mechanism is supplied and the mechanical action of the three-phase is inner connected. The gas of the SF6 is connected in the three-phase pole parts. A density controller with temperature compensation is used to monitor the gas of the SF6. Because of the self-extinction arc control principle and optimized design, it improves the efficiency of mechanism and reduces the operating power Excellent breaking performance and long electrical life High mechanism reliability and can be operated frequently Because of the high insulation intensity and excellent contact movement, the breaking capacity current will not re-burn The circuit breaker has high outer insulation level and ratio creepage distance is greater than. So it has excellent performance of resisting the filth and the earthquake, it is also can be operated safely under the environment with atrocious weather High carrying ability: it has high capability margin as the temperature of each contact rises when it is under temperature rise test in the circuit (1.2 times 0f 4000A) The appearance of the breaker is compact, and the installation and debugging is very easy. The maintenance is also very convenient

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.

Electrical Circuit Breaker Box.

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:

AIR CIRCUIT BREAKER COMPANY NAME MERLIN GERIN MODEL NO. NW 25 H1 EDO SYSTEM WITH CRADEL, SHUNT COIL, UVT COIL, ELECTRICAL CHARGING MICRO PROCESSOR..

High initial permeability, high output voltage, core size saving. Low core loss, good tolerance ability for large current impulse, good protection of Tripping of high current High cuire temperature, good temperature stability, -55~130, Competitive price

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

Safety plug-If the wiring of the device is loose, the electrical device becomes dangerous. The OAONAN Safe RCD connector can help you by detecting current leakage current and stopping power supply within 100ms. Protect you from injury or even fatal electric shock Fully compatible-suitable for any standard socket. Compatible electronic equipment (220V-240V) Passed CE certification-composed of non-conductive and fire-resistant PC material. The sturdy design is suitable for indoor and outdoor use. For example, in high temperature, humidity and other harsh environments Wide range of uses-suitable for kettles, electric blankets, power tools, lawn mowers, Christmas lights, hedge trimmers, etc.

Hydraulic magnetic circuit breaker Rocker Switch Protect Battery Power Disconnector 250Vac / 80Vdc 0.5-30A Snap In Front Panel

miniature circuit breaker lockout with aluminum: 1.suitable for MCB; 2.0.5g/PC; 3.100PCS/box; info@new-pv.com www.new-pv.com

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

Elevate your electrical system's safety and reliability with our Immersed Circuit Breaker. Designed for optimal performance, this advanced circuit breaker is immersed in a dielectric fluid, providing efficient cooling and superior interruption capabilities. Whether you're safeguarding industrial equipment or enhancing the protection of your power distribution network, our Immersed Circuit Breaker is the solution for robust and dependable circuit interruption. Key Features: High Breaking Capacity Enhanced Safety

Fabric, quilt, pillow, duvet cover, bed sheet, bedspread, mattress protector, plastic, home textile, blanket, sleeping bag, gift box.

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).