Answer / jsv sunil

Instantaneous Over Current Means when The Over Current Detected it will be tripped i.e.,at t=0sec but not in IDMT

IDMT means Inverse Difinte Min. Time,

Here, higher the current value lower the tripping time
Lower the current value higher the tripping time

please send me the L&T Emb. sys. placement papers and entire details of pattren

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