Answer / sreenu

In case of MCB, Magnetic & Thermal settings are fixed. In
case of MCCB, Magnetic & thermal settings can be varied.

Answer / engr. md. zainal abedin peng

MCB means miniature Circuit Breaker.
MCCB MEANS mOLDED Case Circuit Breaker.

Answer / rajendran m

MCB used to upto 63A, But MCCB to be use to More than 63A.

how to identyfy cable sizes?

4 Answers   IAF, Mylan,

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can we use inductor in case of d.c.,if yes then what will happen in circuit

3 Answers   JSW,

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Why Hg means mecuiry used in vaccum mesuring unit?

2 Answers   Manhattan,

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How the CT and PT ratings are calculated

5 Answers  

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Why armour HT XLPE power cable required to Earth?

1 Answers  

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What do you mean by ratio correction factor of instrument transformer?

0 Answers  

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why we use 110vac in overhead crains? why not 220v, 24v

3 Answers   SOFT,

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What happens if a three phase induction motor is suddenly single-phased while running? Which type of winding connection will be affected?

22 Answers   B4S Solutions, DRDO, FACT, SL Electricals,

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what happen if one of 3-phase line has a much higher load when we are using delta to star transformer? how we can over-come from that?

2 Answers   Getco,

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what is the purpose of starter in tube light?what is it operation .

1 Answers  

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what is meant by motor protection relay & its working principle ?k

1 Answers   Pricol,

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what is recovery voltage & transient voltage ?

1 Answers   Bhel,

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