Siemens SINAMICS S120 - Terminal Block -X40 External 230 V AC Auxiliary Infeed; Versions of Line Connection Modules; Version L42 for Active Line Modules

Cabinet Modules
5.1 Line Connection Modules
Cabinet Modules NEMA
138 Manual, 04/2014, A5E03586450A
5.1.1.3
Terminal block -X40 external 230 V AC auxiliary infeed
Terminal block -X40 provides you with the option of connecting an external auxiliary infeed
(such as an uninterruptible power supply) that is independent of the main infeed. The
connection may be protected with up to a 16 A fuse.
Table 5- 8 Terminal block X40 external 230 V AC auxiliary infeed
Terminal
Designation
Technical specifications
1 L1 Factory-installed jumper to terminal 2; this jumper must be re-
moved if an external infeed is used.
2
L1
Connection of external 230 V AC auxiliary infeed: L1
5 N Factory-installed jumper to terminal 6; this jumper must be re-
moved if an external infeed is used.
6
N
Connection of external 230 V AC auxiliary infeed: N
Max. connectable cross-section #14 AWG (2.5 mm²)
5.1.2
Versions of Line Connection Modules
Different versions to suit specific input currents are available:
● Units ≤ 800 A are equipped with a main breaker with fuse switch disconnector
● Units > 800 A are equipped with a fixed-mounted circuit breaker (draw-out circuit breaker
is available as option)
Line Connection Modules come in the following versions (specified by an option code)
according to the type of the Line Module that is being fed:
● for Active Line Modules: Order code L42
● for Basic Line Modules: Order code L43
● for Smart Line Modules: Order code L44
5.1.2.1
Version L42 for Active Line Modules
Figure 5-4 Connection example: Line Connection Module ≤800 A for connection to Active Line
Modules, option L42