what is the use of switch disconnector fuse

1 Answers  

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given data are load current & power factor cable core size? plz any one update the calculation formula

0 Answers  

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This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?

0 Answers  

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What is the need of motor starter?

6 Answers  

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what is the difference in MCB, MCCB, RCCB, ELCB, & MPCB (motor protection circuit bracker)

12 Answers   Afcons, Bhel, CIHSR, DCS, IOCL, L&T, Lupin, Siemens,

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What do you meant by soft start?

1 Answers  

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Which is the oldest hydropower plant in india?

0 Answers  

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Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.

0 Answers   Engineers India Limited,

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What is the full form of GSL wire

8 Answers   Bhel, GSL,

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What is different between Circuit breaker and Isolater?

0 Answers  

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what is RR number Abbreviation energy meter

2 Answers   Trimax,

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my 10 hp submersible pump is tripping when connected through ELCB.I have checked the megger value of the coil's with body.It was found to be 0.2mega ohm.that is leakage is there.But when connected to mccb it is not tripping.no leakage current in the motor.Is it safe to connect to mccb? what are the problem's will arise if future?also tell me in ELCB no neutral is connected to motor.than how ELCB was working?

1 Answers  

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