what is the function of mccb?

6 Answers  

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iam interesting to design the control panel for 3 phase pump motors by controling single phase switches.iam plan to use fuse,contactor & relay for motor protection .how can i select the voltage & amps rating for fuse,contactor & relay plz guide me .if anybody clarify my doubt means it will more helpful for my future .

1 Answers  

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Can HT cable(11kv cable) be used for 415V, 700A requirement.

5 Answers  

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Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?

0 Answers  

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what is the difference in between short time and continuous rating?

1 Answers  

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how  do you choose the cable size as per amps rating & the voltage drop for the same.

0 Answers   C&W,

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why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts we can not ground the battery.

6 Answers   GE,

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Please elaborate th´evenin’s theorem?

0 Answers  

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what is thermal setting and magnetical setting?

1 Answers  

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How many kw will suply from one db

0 Answers  

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What is the difference between hot and cold loop testing?

0 Answers  

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Why Lightning arrester used? Can we use piece of iron as a core material of transformer, if No, why? In CRGOSS material what is meaning of cold rolled grain oriented? Why Impegrenation of Transformer is done? Properties of Insulator? what is phase angle? Testing of transformers (Routine & Monthly)?

6 Answers   NTPC,

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