what is the difference in using the 125% and the 250% factor of safety in calculating circuit breakers capacity for motors,which is more reliable to use the 125% or 250%??

1 Answers  

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How does a television work?

0 Answers   Siemens,

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What are safety features considered for Lifts during emergency?

1 Answers  

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What are the components of a substation?

3 Answers   IOCL,

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UPS battery Back time = no.of Batteries * Ah of the Battery / output KVA * 130 ? what is the 130 means ? can any one help? because all are using this formula how its came 130?

2 Answers  

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1 Amp = kva ? 1 Amp =KW ?

3 Answers   Marriott,

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"What is the difference between voltage and potential differnce?"

15 Answers  

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what is the internal fuction of a ceiling fan?

2 Answers  

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What happens instead of using 3 phase, if we give loop of single phase to all three phases ??

1 Answers  

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why reactor is connected before capacitor in APFC panel

2 Answers  

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What should be the BDV value of a new transformer oil

3 Answers  

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how can I improve the current at same voltage? if yes is there any circuits?

2 Answers  

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