We use MCCB not MCB for motor starters because MCCBs has capablity to drawout the motor starting current which is 5-6 times the full load current of motor for 1sec. Then why we use SDF in starter panel means MCC panels. Pls reply if any one knows this answer.

1 Answers  

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without name plate detail of blower how we can find out the HP & Rpm ? the input voltage is 230v single phase

1 Answers  

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1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

4 Answers   Havells,

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What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)

0 Answers  

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write a program that prints prime numbers from 1-20 in digonal form

0 Answers  

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Where to use pt and where to use CVT

2 Answers  

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what is meant by GOD in transmission system ?

6 Answers   Reliance,

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What is switch gear? How it is work ?

1 Answers   AbaQulusi Municipality, Lupin,

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Which type of transformer used in lighting load?

2 Answers   IMFA,

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What is difference between A.C & D.C Resistance ?

4 Answers  

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Why cpaciter opposes sudden changes in voltage?and how?

1 Answers  

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what is Thermocouple? Type of its.

2 Answers  

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