Breaker opening/closing time

P

Thread Starter

paru

We are purchasing an analyser for checking our HT breakers closing/opening time, number of strikes while closing, and contact resistance.

I would like to know from experts here what should be the allowable limits for opening time, closing times, number of re-strikes while closing and contact resistance in breaker.

I remember during my old exp. we used to get 60 to 80 mSec. Thanks to all in advance.
 
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