Answer / ganeshyeole

1. phase over curtent27.
2. earth fault 27b.
3. unbalance46.
4. 48 locked rotter.
5. start per hour.
6. thermal overload49.
etc.

Answer / kannan

make > schnider electric
MICOM 220 Motor production relay

Why the TNC switch is called as Memory switch

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wat system call?

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Which one is given high energy in same power consumption AC or DC

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what is the simple meaning of harmonics?

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why are using bus ducts ? why not using cables

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