please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

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what is resistor

9 Answers  

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what is the difference between thermal magnetic release and microprocessor based release breakers. what are the advantages of latter over the first one...

5 Answers   Jackson, Karthik Industries, McD BERL, TCS,

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How to calculate HT XLPE CABLE for 11 kv / 433 v , 1500 kva oil type transformer system? plz provide step by step calculation

15 Answers   Engineers India, Indian Railways, Polycab, Shashwat, Sitara Energy, Sonali Bank,

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why they charge more bill for low power factor rather than high power factor

2 Answers  

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if HT side voltage is high current is low . and LT side voltage is low current is high please explian.

5 Answers   HP,

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How to know vacuum in vacuum cylinder of breaker in working condition

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what is the basic need of domestic loads 1- voltage 2- current

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Why air circuit breaker off due to power failure?

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using in R,Y& B PHASE LTSIDE(415V)ct ratio 4000/5 WITH ENERGYMETR OF 1280 REV./KWH,240V.WHAT WILL BE MF OF METRE.

1 Answers   HCC,

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what is the effect of power factor of machines in starting current

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When do you use a VFD motor?

1 Answers  

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