What is the plug setting multiplier if the fault current is 2000 - ProProfs Discuss
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What is the plug setting multiplier if the fault current is 2000 amps, the relay setting is 50% and the C.T. is 400/5?

Asked by Swiftdodgers, Last updated: Apr 17, 2024

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swiftdodgers

swiftdodgers

swiftdodgers
Swiftdodgers

Answered Jul 13, 2018

None of the above

2000 /( 400/5) x 0.5 = 12.5 amps since you cant go above the next standard size would be 10 amp. Another explanation is that they are asking for a multiplier not a amp setting, so since the relay setting is 50% it would be a multiplier of 2.*##**##*
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