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The maximum permissible disconnection time is 0.4 s in TN system. Why and from where this value (0.4 s) is obtained?
Former Community Member
The maximum permissible disconnection time in in the event of a short circuit between a phase conductor and a body or protective conductor or a protective-neutral conductor is 0.4 s in TN system. Does anybody know this value (0.4 s) obtains from where? How this value is obtained?
I do recall that WB now that you have posted it. It was also great to have Mr Blackwell posting on a fairly regular basis. I particularly like Pete LTM’s comment on his brain’s need to declutter to allow new material to enter! Ten years on, I definitely know that feeling!
Thanks Lyle, the new forum search facilty is terrible compared with the previous platform :)
I do recall that WB now that you have posted it. It was also great to have Mr Blackwell posting on a fairly regular basis. I particularly like Pete LTM’s comment on his brain’s need to declutter to allow new material to enter! Ten years on, I definitely know that feeling!
Thanks Lyle, the new forum search facilty is terrible compared with the previous platform :)
