Thanks to all three.
But, by eeprom's logic, I can just put an isolator and that's it. Why then, people use MCCB's as incomers???
PS: 19781997 are two years :-).
Thanks for replies.
Dr.Weig, but is the cable protected in case without incoming MCCB? What happens in case of fault on panel busbars? Could the incoming MCCB minimize the damage and/or protect the cable?
ScottyUK, what exactly do you mean by "unless upstream device is tested for series...
I have a general question regarding incoming MCCB's in boards/panels.
In our company we face the following issue a lot. In order to save money, incoming MCCB to a board/panel is often omitted and an isolator is used instead. Is this the correct practice? What is exactly the purpose of incoming...