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is this correct!!! or there is any other way?

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Discussion in 'General Electronics Discussion' started by thothset, Mar 9, 2017.

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  1. Mar 9, 2017 #1
    thothset

    thothset

    14
    1
    Mar 1, 2017
    hello all genius

    i have a circuit breaker which has
    rated current value 25A

    Rated voltage - 27 V ± 2.7 V

    i need to make a test stand to check it. what type of load i can give across a ACB terminals. how to design?
    when i discussed with my prof. he told me wound a 4mm sq copper cable (non insulated) for a length of roughly 6 meters and connect across the terminals of ACB. i don't know how he made the calculations. please let me know how to do it
     
  2. Mar 9, 2017 #2
    (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,449
    2,809
    Jan 21, 2010
    Find a datasheet for the breaker.

    It might operate indefinitely at 25A, it it might break within some period of time at 25A.

    You need to know what it's supposed to do before you can start thinking about his to test it.
     
  3. Mar 10, 2017 #3
    ramussons

    ramussons

    374
    71
    Jun 10, 2014
    Voltage - known
    Current - Known
    Resistance - to be calculated

    Copper - conductivity known
    Area - known
    Length - known
    Resistance - to be calculated

    Brush up on your fundamentals.
     
  4. Mar 10, 2017 #4
    Bluejets

    Bluejets

    4,417
    937
    Oct 5, 2014
    Damned if I can see what it would prove anyhow.
     
  5. Mar 10, 2017 #5
    AnalogKid

    AnalogKid

    2,425
    690
    Jun 10, 2015
    Rated Voltage = 27 ??? Part number?
     
  6. Mar 13, 2017 #6
    ramussons

    ramussons

    374
    71
    Jun 10, 2014
    post # 3
     
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