Terminal Block -X40 External 230 V Ac Auxiliary Infeed - Siemens SINAMICS S120 Manual

X50 "circuit breaker" checkback contact
Table 5- 6
Terminal
1
2
3
Max. connectable cross-section: 2.5 mm²
1)
X30 looping in an external EMERGENCY OFF
Terminal block -X30 provides you with the option of connecting an external EMERGENCY
OFF (normally-closed contact) for switching off the circuit breaker.
Table 5- 7
Terminal
1
2
Max. connectable cross-section: 2.5 mm
5.1.2.3

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
1
2
5
6
Max. connectable cross-section: 2.5 mm²
Cabinet Modules
Manual, (GH5), 05/2010, A5E03263538A
Terminal block X50 "Circuit-breaker" checkback contact
Designation
1)
NO
NC
COM
NC: Normally-closed contact, NO: Normally-open contact, COM: Center contact
Terminal block X30 "Fuse switch disconnector" checkback contact
Technical data
Factory-installed jumper between terminal 1 and terminal 2; this jumper must be
removed if a normally-closed contact is looped in externally.
Terminal block X40 external 230 V AC auxiliary infeed
Designation
L1
L1
N
N
Technical data
"Fuse switch disconnector" checkback contacts
Max. load current: 3 A
Max. switching voltage: 250 V AC
2
Technical data
Factory-installed jumper to terminal 2; this jumper must be
removed if an external infeed is used.
Connection of external 230 V AC auxiliary infeed: L1
Factory-installed jumper to terminal 6; this jumper must be
removed if an external infeed is used.
Connection of external 230 V AC auxiliary infeed: N
Cabinet Modules
5.1 Line Connection Modules
125