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  • Detection method of AC contactor

    Detection method of contactor 1. Detection method of AC contactor The AC contactor is located at the upper level of the thermal protection relay to connect or disconnect the power supply line of the appliance. The main contact of the contactor is connected to the electrical equipment, and the coi...
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  • Schneider imported AC contactor products

    Model description and function introduction of Schneider imported Tesys D contactor products From 0.06 to 75kW contactors The imported TesysD contactor can meet the application of AC-3 inductive motor load current to 150A and AC-1 resistance load current to 250A Schneider imported Tesys D contact...
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  • AC contactor testing standard

    Items and standards for contactor testing Xiaobian in this issue of the article to give you to sort out the contactor detection items and standards and some procedures for you to read, for details, please see below: Contactor, it is in the coil through the current to produce magnetic field, and m...
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  • how the time switch control AC contactor?

    At that time, when the load power directly connected to the control switch is more than 1320w, it is necessary to add the AC contactors. The time control switch controls the AC contactor and the AC contactor to control the high-power electrical appliances. time switch How is the AC contactor con...
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  • AC contactor for mechanical and electrical industry

    Talking about the AC contactor, I believe that many friends in the mechanical and electrical industry are very familiar with it, it is a kind of low-voltage control in the power drag and automatic control system, used to cut off the power, to control the large current with a small current. Genera...
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  • Circuit breaker (MCCB) working principle and function

    What is the function of circuit breaker, the working principle of circuit breaker is detailed explanation When the system fails, the protection action of the fault element and the circuit breaker operation failure refuses to trip, trip the adjacent circuit breaker of the substation through the pr...
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  • AC contactor main feature

    First, the three major attributes of the AC contactor: 1. AC contactor coil. Ccoils are usually identified by A1 and A2, and can be simply divided into AC contactors and DC contactors. We often use AC contactors, of which 220 / 380V is the most commonly used: 2. AC Contactor Main contact. L1-L2-L...
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  • Molded case circuit breaker routine maintenance

    Molded case circuit breaker routine maintenance

    The daily maintenance of molded case circuit breakers is the basic work of equipment maintenance and must be institutionalized and standardized. Timely maintenance of equipment should formulate work quotas and material consumption quotas, and evaluate them according to t...
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  • MCCB selection skill

    Plastic shell circuit breaker (plastic shell air insulated circuit breaker) is widely used in the low-voltage power distribution industry, used to cut off or isolate the normal and rated range of the fault current, to ensure the safety of lines and equipment. In addition, according to China’...
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  • AC contactors selection and maintenance

    I. Selection of AC contactors The rated parameters of the contactor are mainly determined according to the voltage, current, power, frequency and working system of the charged equipment. (1) The coil voltage of the contactor is generally selected according to the rated voltage of the control line...
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  • Military contactors

    Military contactors refer to the ability to provide a variety of relay solutions for high reliability and space environments.Aviation and aerospace products were originally manufactured as relays according to the established QPL and MIL standard specifications, and then customized according to th...
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  • Failure analysis and treatment of AC contactor

    I. Analysis and treatment method of fault phenomenon causes 1. After the coil is energized, the contactor does not act or acts innormally A. The coil control circuit is disconnected; see whether the wiring terminal is broken or loose. If there is a break, replace the corresponding wire.If loose, ...
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