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  • What is the difference with different kinds of relay?

    Relay is a common controllable switch, in the electrical control inside is very widely used, today we will understand its classification, common classification for three kinds: general relay, control relay, protection relay. electromagnetic relay First, the general relay has the role of switch, a...
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  • How does the AC contactor connect wire?

    1,3 and 5 For three-phase power supply, (main circuit part) 2,4, and 6 Connect to the three-phase motor A1, A2 are the coils of the contactor, connected to the control circuit, and the motor controlling the circuit part (small control) is realized by controlling the coils of the contactor (A1, A2...
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  • Vacuum AC contactors

    The performance of vacuum arc extinguishing chamber determines the performance of contactor, and the mechanical characteristics of contactor itself also determine the performance of vacuum arc extinguishing chamber.Whether the performance of a vacuum contactor meets the requirements mainly depend...
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  • ABB AC contactor product features:

    There are two wiring methods for users to choose, one is two terminals at the same end of the product, the other two terminals are at both ends of the product, the wiring is flexible and convenient.The base is made of glass fiber reinforced plastic with high strength and good dielectric performan...
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  • Contactors contact point working principle

    Working principle: since it is a point to move, then it is necessary to contactor electricity, whether the contactor, relay, time relay, all need electricity to work.So we will use the contact coil here, you look at the picture, the contactor coil working voltage, we will use the contactor is 22...
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  • Are AC contactors and DC contactors interchangeable? Take a look at their structure!

    Are AC contactors and DC contactors interchangeable? Take a look at their structure!

    AC contactors are divided into AC contactors (working voltage AC) and DC contactors (voltage DC), which are used in power engineering, power distribution equipment and power engineering places. AC contactor theoretically refers to a household appliance that uses a coil to form an electromagnetic ...
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  • Analysis of mechanical characteristics of vacuum contactor

    The performance of vacuum arc extinguishing chamber determines the performance of contactor, and the mechanical characteristics of contactor itself also determine the performance of vacuum arc extinguishing chamber.Whether the performance of a vacuum contactor meets the requirements mainly depend...
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  • A new energy saving contactor or capacitor special energy saving contactor

    AC contactor is widely used in low-voltage circuit, it is a kind of safe use, convenient control, large amount and a wide range of industrial necessities.China is now generally used in 40A and above large and medium capacity of AC contactors should be more than 100 million meters, its operating e...
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  • How to select MCCB?

    Plastic shell circuit breaker (plastic shell air insulated circuit breaker) is widely used in the low-voltage distribution industry, used to cut off or isolate the normal and rated range of fault current, to ensure the safety of lines and equipment.In addition, according to the requirements of Ch...
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  • How to wire AC contactor? AC contactor wiring skills

    How to wire AC contactor? AC contactor wiring skills

    Communicate the principle of AC contactors. When the coil is plugged in, the iron core of the static transformer causes the eddy current adsorption force to digest and absorb the iron core of the dynamic transformer. Because the contact point system software is connected with the moving transform...
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  • AC Contactor cable connection method

    Contactors are divided into AC contactors (voltage AC) and DC contactors (voltage DC), which are used in power, distribution and electricity occasions.In a broad sense, contactor refers to industrial electrical appliances that use coil current to generate a magnetic field and close the contacts t...
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  • How to choose a contactor, factors to be considered when choosing a contactor, and steps for choosing a contactor

    How to choose a contactor, factors to be considered when choosing a contactor, and steps for choosing a contactor

    1. When selecting a contactor, the following elements are critically considered. ①The AC contactor is used to operate the AC load, and the DC contactor is used for the DC load. ②The stable working current of the main contact point should be greater than or equal to the current of the load power c...
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