L41, Current Transformer Upstream Of Main Switch - Siemens SINAMICS S120 Equipment Manual

8.21

L41, current transformer upstream of main switch

Availability of option
This option is available for the following S120 Cabinet Modules:
● Line Connection Module
Description
If current transformers are used for measuring or monitoring purposes, they are installed in
the Line Connection Modules with option L41. The current transformers are installed
upstream of the main breaker in all three line phases of the infeed.
The transformers have an accuracy class of 1.0. The secondary current is 1 A maximum.
The measuring connections for the current transformers are routed in the Line Connection
Module to terminal block -X60.
Terminal block -X60 – Line current transformer
Table 8- 27
Terminal
1
2
3
4
5
6
max. connectable cross section: 2.5 mm²
S120 Cabinet Modules Equipment Manual
Manual, (GH5), 10/2008, A5E00427098A
Terminal block -X60 – Line current transformer
Designation Technical specifications
-T110: k/S1 Current transformer on phase U1/L1
-T110: l/S1
-T111: k/S1 Current transformer on phase V1/L2
-T111: l/S1
-T112: k/S1 Current transformer on phase W1/L3
-T112: l/S1
8.21 L41, current transformer upstream of main switch
Options
395