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- Thread starter Puglife
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- #2

Grinkle

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Look at page 2, it has a curve of time at rated current vs trip time. A circuit breaker will take approx 1000 seconds to trip if the current is right at the rated value, according to this graph at least.

- #3

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Im not exactly sure what it is saying, because no current will be consistantly be drawn out of the outlet, because many times a second, the voltage reaches zero, and thus so is the current.http://static.schneider-electric.us/docs/Circuit Protection/Molded Case Circuit Breakers/0100-400 A Frame FA-LA/FA-FC-FH/0600DB0105.pdf

Look at page 2, it has a curve of time at rated current vs trip time. A circuit breaker will take approx 1000 seconds to trip if the current is right at the rated value, according to this graph at least.

- #4

jim hardy

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Im not exactly sure what it is saying, because no current will be consistantly be drawn out of the outlet, because many times a second, the voltage reaches zero, and thus so is the current.

The datasheet Grinkle linked describes RMS symetrical current.I dont know if the amperage drawn is total amps, or amps at the rms voltage, and so that is what I am asking.

Look up "RMS current"

then think about it - fuses amd thermal breakers work by heating an element.

Not surprising they'd be rated in terms of "heating value" of current, would you think ?

- #5

Grinkle

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Thanks, Jim - yes, RMS.

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Thank You Both!Thanks, Jim - yes, RMS.

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