Which trip unit in MCCB achieve LSI protection

1-For Compact NSX: the required trip unit with adjustable Long time protection (L)and short time protection(S) with instantaneous protection (I) can be achieved with Micrologic 2 trip unit taking into consideration that the time delay for L and S functions is non-adjustable.

If these protection functions are required with adjustable time delay, you must opt to offer the Micrologic 5.

2-For Compact NS: the required protection functions LSI can be achieved with Micrologic 5 with time delay adjustable for long time and short time protection functions.

Released for:Schneider Electric South Africa