Overcurrent faults can be divided into acceleration, deceleration, and constant speed overcurrent.
Jun 07, 2021
In the DC contactor, the current of the main contact connection circuit is DC.
Jun 03, 2021
When the contactor coil is energized, the coil current generates a magnetic field, which causes the static iron core to generate electromagnetic attraction to attract the movin...
May 31, 2021
1. Choosing the type of DC contactorThe type of DC contactor should be selected according to the type of load current and the weight of the load, that is, whether it is an AC l...
May 28, 2021
A DC contactor refers to a contactor whose iron core is DC controlled, and its load can be either DC or AC. The iron core of the DC contactor is different from the AC contactor.
May 25, 2021
AC contactors often use three arc extinguishing methods: double-fault electric arc extinguishing, longitudinal slit arc extinguishing and grid arc extinguishing.
May 22, 2021
According to the form of the main contact connection circuit, it is divided into: DC contactor and AC contactor.
May 20, 2021
The AC contactor uses the main contact to control the circuit, and the auxiliary contact to conduct the control loop.
May 17, 2021
The working principle of the contactor is: when the contactor coil is energized, the coil current will generate a magnetic field.
May 15, 2021
In electrical engineering, because it can quickly cut off AC and DC main circuits and can frequently switch on and off large current control (up to 800A) circuits, it is often ...
May 13, 2021
Contactors are divided into AC contactors (voltage AC) and DC contactors (voltage DC), which are used in electric power, power distribution and electricity use occasions.
May 11, 2021
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