Internal Electronic Accessories; Rating Plug - ABB SACE Emax 2 Series Operating Instructions Manual

Internal electronic accessories

1 - Rating Plug

Versions Various models of different sizes are available and can be ordered in three versions: a classic version,
Replacement The module can be replaced by the user; any Rating Plug with maximum rated current equal to the current
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The Rating Plug , supplied with the trip unit establishes the rated current In required by the measuring
range and for setting the current protections (with reference to In).
It is installed on a dedicated front connector which can be accessed by the user.
The trip unit continuously checks for the presence of the Rating Plug and signals its absence or any
assembly or installation errors.
If a new model is installed, the Trip unit displays the request for installation when first powered.
In Ekip Touch, field Nom.Curr in the About - Circuit breaker menu displays the In quantity read by the unit.
a version which activates Rc protection and one that deactivates L protection; the three versions have
different labels:
Figure 124
IMPORTANT: the Rating plug labels have a black background; if the colour is different,
they may be incompatible with the trip units described in this document: consult ABB
for assistance
of the sensor in the unit can be installed.
WARNING!
• with Iu ≤ 400 A size circuit-breakers, Rating Plugs from 100 A to the Iu size of the CB can
be installed
• with Iu > 400 A size circuit-breakers, Rating Plugs from 400 A to the Iu size of the CB can
be installed
IMPORTANT: to avoid alarms or undesired trips, the Rating Plug must be replaced when
Ekip Touch is off, and in the absence of primary currents.
ABB | SACE Emax 2
Internal electronic accessories
1 - Rating Plug