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Couple NETA III Questions

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  1. jaycee91 is offline Junior Member Pro Subscriber
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    Couple NETA III Questions

    What is the expected Maximum Trip Time (in Seconds) for a 240V, 400A molded-case circuit breaker inverse time test at 300% of Rated Continuous Current?

    230

    275

    300

    350



    1000kva 34.5kv to 480v secondary transformer 5% imp. Apply 480v to primary side and ground secondary. What is primary fault current?

    8.1A

    4.65A

    5.72A

    11.95A

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    Kalbi_Rob is offline Experienced Member Pro Subscriber
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    What is the expected Maximum Trip Time (in Seconds) for a 240V, 400A molded-case circuit breaker inverse time test at 300% of Rated Continuous Current?

    300
    This is directly from NETA/ATS Table 100.7

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