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 determine the short circuit current for breakers and VCB.

1 Answers   Sabic,

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1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

0 Answers  

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A 3 phase motor operating off 415V system is developing 20Kw at an efficiency of 0.77 and power factor of 0.73. determine:- a)the line current. b)the phase current if winding are delta connected. c)the phase voltage if winding are star connected.

1 Answers  

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What does the term supermesh means?

0 Answers  

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what is suitable alternative for an igbt?

4 Answers  

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what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me

0 Answers  

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What are the conditions to be satisfied for parallel operation of dc generators?

0 Answers  

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What is the unit of vaccum?

14 Answers   Manhattan,

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What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.

0 Answers   Bhushan Power Steel,

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WHY TRANSFORMER IS MEASURED IN KVA?

10 Answers  

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how work the lighting arrestor?

2 Answers  

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how to calculate the earth fault current

0 Answers  

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