A circuit breaker on detecting fault will
a. Open
b. Close
c. Open and trigger the alarm
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While opening ,its auxiliary switches 1.open the trip circuit 2. make the closing circuit active 3. make the ' auto trip indicating lamp' on.
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Pl. give me checklist for installation & commissioning of machine tool.
How i can calculate the cable size for given load,there is any formula,for 3 phase and single phase
2 Answers Prescient Technologies,
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