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The difference between the cheap 600A DC contactor and AC contactor

The difference between the cheap 600A DC contactor and AC contactor

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  • Time of issue:2022-05-06
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(Summary description)The current of the main circuit of the cheap 600A DC Contactor is DC. The current of the main circuit of the AC contactor is AC, and most of the electricity is AC. The 600A DC Contactor is mainly used in the DC motor control on precision machine tools.

The difference between the cheap 600A DC contactor and AC contactor

(Summary description)The current of the main circuit of the cheap 600A DC Contactor is DC. The current of the main circuit of the AC contactor is AC, and most of the electricity is AC. The 600A DC Contactor is mainly used in the DC motor control on precision machine tools.

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2022-05-06
  • Views:0
Information

The current of the main circuit of the cheap 600A DC Contactor is DC. The current of the main circuit of the AC contactor is AC, and most of the electricity is AC. The 600A DC Contactor is mainly used in the DC motor control on precision machine tools.

600A DC ContactorThe electromagnetic mechanism of the cheap 600A DC Contactor has no eddy current and hysteresis losses, the iron core is composed of a whole piece of mild steel, and there is no need to install a short-circuit ring on the end face. The 600A DC Contactor adopts magnetic blowing arc extinguishing device. The starting current of the AC contactor is large, so it is not suitable for the occasions of frequent pick-up and break. The cheap 600A DC Contactor operates at a higher frequency.

The inherent action time and inherent release time of the cheap 600A DC Contactor are longer. It should be noted that 600A DC Contactor and AC cannot be mixed. When the AC contactor is fed with direct current, the impedance decreases sharply, the current increases, and the coil burns out. The 600A DC Contactor is fed with alternating current, resulting in eddy current and hysteresis loss, and the iron core heating coil burns out.

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