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  • Electrical contact design for 200A current

    ajim

    Member

    Updated: Oct 26, 2024
    Views: 1.0K
    I am designing a switch of 200A rating. Can anybody suggest me how much thick contact material (AgCdO) should be used for the electrical contacts. The joint is of clip type.
    What are the areas where changes needs to be done if the temperature at the contact surface is exceeding allowable limit when 200A current is passing though it?
    This switch is mounted in a plastic chamber where air circulation is almost not present.
    Will appriciate any type of suggestions.
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Replies

  • apsingh

    Member • Jul 25, 2009

    Dear ajim,

    I am working as a freelance Consultant in feild of Electrical.

    I provide services for Low Tension Switchgear Product ( Fusegear, controlgear and Circuit Breaker ) and my scope of working is Business development , Technical & Quality professional support.

    I've over 25 years rich experience in product design & development.

    You may please feel free to contact me anytime on my mobile no.<Removed>
    .
    email: <removed>

    It would be my pleasure to guide you in product designing.

    Thanks,
    APS
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  • Kaustubh Katdare

    Administrator • Jul 25, 2009

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  • kashish0711

    Member • Jul 26, 2009

    I dont understand your concept, the size is not a problem, it can vary acc to your need.
    But what kind of switch are you making???
    no air circulation?
    what are you gonna use for arc extinguish??
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