ABB | SACE Tmax XT
136 | © 2020 ABB | 1SDH001821A1002 - ECN000135670 Internal electronic accessories | 1 - Rating Plug
Internal electronic accessories
1 - Rating Plug
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.
Versions
Various models of different sizes are available and can be ordered in two versions: a classic version and a
version which activates Rc protection; the two versions have different labels:
Figure 39
Replacement
The module can be replaced by the user; any Rating Plug with maximum rated current equal to the nominal
size of the CB (Iu) can be installed.
Further details about assembly and the Rating Plug installation procedure are available in ABB Library,
particularly in document 1SDH002011A1505.
IMPORTANT: to avoid alarms or undesired trips, the Rating Plug must be replaced
when Trip unit is off, the CB open and in the absence of primary currents and
voltages
To Next Page
Loading...
