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The 300A DC Contactor manufacturer will show you: how to choose a DC contactor

The 300A DC Contactor manufacturer will show you: how to choose a DC contactor

  • Categories:Industry News
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  • Time of issue:2021-08-31
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(Summary description)The manufacturer of 300A DC Contactor tells you to choose according to the type of load current in the power circuit. The manufacturer of 300A DC Contactor tells you that you should use a DC contactor to communicate with DC loads.

The 300A DC Contactor manufacturer will show you: how to choose a DC contactor

(Summary description)The manufacturer of 300A DC Contactor tells you to choose according to the type of load current in the power circuit. The manufacturer of 300A DC Contactor tells you that you should use a DC contactor to communicate with DC loads.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2021-08-31
  • Views:0
Information

The manufacturer of 300A DC Contactor tells you to choose according to the type of load current in the power circuit. The manufacturer of 300A DC Contactor tells you that you should use a DC contactor to communicate with DC loads, and a DC contactor for DC loads. For example, in a pump automatic control system, it mainly communicates with DC loads. The volume of DC motors or DC loads is small. Use DC contactor to operate, but the rated voltage of the contact point should be larger.

customized 300A DC Contactor in china
The 300A DC Contactor manufacturer tells you that the rated voltage of the main circuit breaker of the high-end DC contactor should be equal to or exceed the rated voltage of the load. The rated voltage of the main circuit breaker of the used contactor should not be less than the rated voltage of the load power circuit, and the selection can also be carried out according to the operated motor to high power. If the contactor is used to manipulate the motor's frequent operation, front and back or reverse braking system, etc., the main electric shock accident flow of the contactor should be reduced. Generally, it can be reduced by one level.
According to the control circuit regulations, clearly attract the coil working standard voltage and auxiliary contact capacity
The 300A DC Contactor manufacturer tells you that if the operating route is very simple and the total number of commonly used contactors is small, the rated voltage of the DC contactor coil is generally 220V or 380V immediately. If the control route is very complicated and there are more household appliances used, for better safety, the rated voltage of the coil can be selected lower, and a control transformer must be added at this time. The 300A DC Contactor manufacturer tells you that the rated voltage of the DC contactor coil depends on the condition of the control circuit. For a series of contactors with the same volume level, the rated voltages of the coils can be selected to be consistent with the working voltage of the DC control circuit. The coil of the DC contactor is applied with DC voltage, and the coil of the DC contactor is generally applied with DC current. The manufacturer of 300A DC Contactor tells you that sometimes in order to better improve the larger actual operating frequency of the contactor, DC contactors also use DC coils. If a DC voltage coil is added to a DC current, the contactor usually does not pull in due to a large obstacle and too small current. If a DC voltage is added to a coil with a DC current, the coil will be burnt due to the too small resistor and a large amount of current.

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