electronic mother bord all type scrap 200 piece per bag
Our MCB is an automatically operated electrical switch. Miniature circuit breakers are intended to prevent damage to an electrical circuit as a result of excess current. They are designed to trip during an overload or short circuit to protect against electrical faults and equipment failure.
Residual Current Circuit Breaker or RCCB is basically a gadget that senses current and disengages any low voltage (uneven current) circuit whenever a fault occurs. The main purpose of installing a Residual Current Circuit Breaker fundamentally is to protect people from electric shocks or death caused by them.
2 Pole of MCB BOX IN WHICH 1 OR 2 MCB'S OF SINGLE POLE CAN BE POSITIONED. USED IN INDUSTRIES, HOUSES, OUTDOOR FITTINGS, POLES, WAREHOUSES, FACTORIES.
A Circuit Breaker automatically switches off electrical circuit during abnormal condition of the network means in overload condition as well as faulty condition.
Maximum Input Current The instantaneous maximum output of SERVOPACK is approximately 3 times of the rated output for maximum for 3 seconds. Accordingly, select a molded-case circuit breaker whose breaking time is 5 seconds or more at 300% of SERVOPACK rated current. The general-purpose low-speed acting molded-case circuit breakers are applicable. The power supply capacity per SERVOPACK when using a servomotor is described in 2.5.2 Molded-case Circuit Breaker and Fuse Capacity. Select a molded-case circuit breaker with the capacity larger than the effective load current (when using more than multiple SERVOPACK) calculated from the total power supply capacity. The consumption of other controllers must be considered when selecting a molded-case circuit breaker (2) Inrush Current Refer to 2.5.2 Molded-case Circuit Breaker and Fuse Capacity for SERVOPACK inrush current. The allowable inrush current for a low-speed acting molded-case circuit breaker is approximately 10 times of the rated current for 0.02 seconds. When turning ON multiple SERVOPACK simultaneously, select a molded-case circuit breaker with the allowable current for 20 ms larger than the total inrush current shown in 2.5.2 Molded-case Circuit Breaker and Fuse Capacity.
Circuit breaker refers to the switching device that can close, carry and disconnect the current under normal circuit conditions, and can close, carry and disconnect the current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. The division of high-voltage and low-voltage boundaries is relatively vague. Generally, those above 3KV are called high-voltage appliances. The circuit breaker can be used to distribute electric energy, start the asynchronous motor infrequently, and protect the power line and motor. When they have serious overload, short circuit, undervoltage and other faults, it can automatically cut off the circuit. Its function is equivalent to the combination of fuse switch and over and under heating relay. Moreover, it is generally not necessary to change the parts after breaking the fault current. At present, it has been widely used. Power distribution is an extremely important link in the generation, transmission and use of electricity. The distribution system includes transformers and various high and low voltage electrical equipment, and the low voltage circuit breaker is an electrical appliance with large amount and wide range of use. working principle The circuit breaker is generally composed of contact system, arc extinguishing system, operating mechanism, release, shell, etc. In case of short circuit, the magnetic field generated by large current (generally 10 to 12 times) overcomes the reaction spring, the release pulls the operating mechanism to act, and the switch trips instantaneously. In case of overload, the current increases, the calorific value intensifies, and the bimetallic sheet deforms to a certain extent to promote the action of the mechanism (the greater the current, the shorter the action time).
Nimrof TARZ27S Electronic Fault Locator is designed to complement conventional test instruments in the debug and troubleshooting process. Nimrof TARZ27S is suited for todays varied signal circuit cards where Analog and Digital are mixed together. It provides to find faulty component on the electronic board in a short time by using power-off test method. Nimrof TARZ27S Component Tester allows more than 100 various voltage combinations, it operates by applying a low current AC signal to two points of electronic equipment. The current flow appear a vertical signature deflection, while the applied voltage appear a horizontal deflection. Together they form a unique V/A signature that represents the overall health of the device under test. Analyzing the signature can quickly determine whether the component is good, bad, or marginal.
masterpact NT/NW 33036
CDP-50 magnetic circuit protectors provide low-cost power switching, reliable circuit protection and accurate circuit control for equipment in the international marketplace. CDP-50 models are for those applications where the units inherent attributes are desired, but compliance with the various standards is not required. CDP-50 models have been tested and approved in accordance with UL 1077 requirements for UL recognition. CDP-50 model has achieved two new enhancements, including a single pole, 50 amp rating with TV approval (IEC 60934).
Well known for their proven reliability, CDP-30 Series hydraulic magnetic circuit breakers are compact, temperature stable and designed for precision operation in OEM markets requiring general purpose as well as full load amp applications. When front panel operation and aesthetics demand a clean, contemporary design, the visi-rocker or paddle actuators are ideally suitable. A sealed toggle actuator style is also available and ideal for harsh environment applications requiring additional sealing protection. Optional rocker- guard and pushto-reset bezels, which help prevent inadvertent actuation, are also available.1-4 poles; ratings from 0.5 to 30 amps, up to 240VAC or 80VDC; UL Recognized, UL1077, TUV & CSA
CVP-TH Series magnetic circuit protectors provide low-cost power switching, reliable circuit protection and accurate circuit control for equipment in the international marketplace. CVP-TH Series meet IEC spacing requirements . In addition, they are UL Recognized as supplementary protectors per UL 1077, TUV Approved (EN60934), CCC Approved and CE Compliant. One important feature of this protector line is a trip free action, which means the circuit will trip in the presence of an overload even though the handle is held in the ON position. The delay mechanism senses the fault and the contacts open.
The CVP-BM Series hydraulic-magnetic circuit breaker provides maximum and dependable circuit protection, while providing a cost effective, compact solution. By meeting the IEC spacing requirements, the CVP-BM Series is the ideal choice for international market applications. It also features a trip-free mechanism, which will open the contacts when a fault condition occurs, even if the handle is held in the ON position.
The CVP-SM Series is a low cost, miniature, hydraulic-magnetic circuit breaker which features a compact, space saving design, front panel snap-in mounting and a vertically mounted parallel pole configuration. It features various styling options to maximize your design flexibility. Choices include rocker, illuminated rocker, paddle and baton style handle actuators, push-to-reset and push-pull pushbutton actuators, as well as Visi-Rocker two color actuators. Our exclusive Rockerguard bezel helps prevent inadvertent actuation and a wiping contact mechanism assures long-term reliability.Insulation Resistance 100M at 500V DC,Dielectric Strength:1500V,50/60Hz between terminals for eletrical 50/60Hz, Temperature Operation -40 to +85 Elevational 3000m.
1. Bit Breakers The Bit Breakers are suitable to make up or break out the drilling bit during the oil well drilling and repairing operations. The Users should be chosen the bit breaker according to the size and model of the drilling bit. Feature:Improve support and retention Advantage:Manage the magnitude cutter loading and bit torque Benefit:Improved bit durability and directional responsiveness Advantage:Higher nozzle counts and/or fixed ports to best serve cleaning,cooling and cuttings evacuation requirements with available hydraulic flows.Allow for higher flow rates with minimal increase in pump pressure. 2. Detailed introduction to Bit breaker 1) Bit breaker is mainly used to screw on or off a rock bit to the bottom of drill string. 2) It can also prevent the rock bit from dropping into well hole. 3) The price of it is cheap and the use of it is safety and reliable. 4) It is easy to operate. First, the bit breaker is placed on well hole and then put the rock bit onto it. Turn it to screw on or off the bit by turnplate.
Cw magnetron glcwm-100l(t) Glcwm-100l is fixed-frequency cw magnetron, mainly used in microwave heating and plasma generators. Glcwm-100l has the following features: Metal ceramic structure, good strength, suitable for industrial application Special cathode, insurance of long life Special device for the internal cathode terminal, minimize the microwave leakage. Operating frequency : 915mhz minimum output : 100kw
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High efficiency high flux density carbon infrared heating lampscarbon medium wave infrared lamps features: wavelength range of carbon red heating ir heater: 2.5-2.7 um. cross sectionof carbon red heating ir heater: 33*15mm twin tube diameter.Applied industry: printing painting drying, powder coating drying, paint drying, plastic heating and drying, thin film strecthing, etc.Carbon red heating ir heater model cfir332620wlamp model: cfir332620wquartz tube: white coatinglamp length: 2620mmactive length:2500mmvolatge:400vpower: 6250wcable length: 500mm one side outcolor temperature: 1800-2400kwavelength of ir radiation: 2.5-2.7umcarbon red heating ir heatermax heated length 3200mmmax total length 3400mm;max power output: 9000-12000w;max voltage: 600v;average lifetime of carbon red heating ir heater: 10, 000 hourspart no. voltagewattagetwin tubetotal
transparent high purity quartz heater tube transparent high purity quartz heater tube is one of infrared heating element, which is the most efficient and mostenergy-saving type in the heating area. It can not only improve your heating speed by higher power, but also it will help you save more enrgy by using the shortwave infrared heater to replace the other heaters. transparent high purity quartz heater tubelamp model: swir-10500tube coating: golden reflectorlamp length: 500mmactive length: 440mmvolatge: 220vpower: 800wcable length: 600mmcolor temperature: 2000-2700kwavelength of infrared radiation: 0.75-1.4um ir benefits and features long lifemore than 5000h high speedwithin 1 second to switch onhigh efficiencymore than 85% heat efficiency of full powerhigh power densityup to 200w/cmhigh control abilityneither ballast nor special circuits are necessary for basic usageno air droughtsbecause of radiation(like solar energy)clean and odorlessno risk of contamination over environment or target object to be heatedextensive assortmentmany types of voltage, wattage, length, base, cables, horizontal
Printed circuit assembly in china, 6layer board with immersion tin finished 1. Pcb p / n: 8698 2. Material: fr-4 3. Layer: 6l 4. Board thk: 2.Mm 5. Copper thk: 35um 6. Smallest hole size: 0.25mm 7. No. Of holes (pcs): 365 8. Line w / s: 5 / 4mil 9. Impedance control. Y / n (tol%): y 10. Surface: immersion tin 11. Solder mask silkscreen: white 12. Single board size: dim x (mm): 129; dim y (mm): 298 13. Special: hi-tech multilayer circuit boards with components assembly 14. Routing / punching: cn
