L22, Supplied As Standard Without Line Reactor - Siemens SINAMICS S120 Manual

X700 - monitoring surge arresters and fuses
Table 8- 47
Terminal
1
4
Max. connectable cross-section: 2.5 mm²
1)
Reason why the monitoring function responds
After the monitoring function responds at terminal block X700:1/4, the cause must be
identified:
● Surge arresters (-A703, -A704-, A705) have a display showing the operating state.
● The upstream fuses (Q700) are monitored using phase failure monitoring (-B700), which
Replacing surge arresters
The surge arrestor involved must be replaced in the case of a fault:
● Line Connection Modules 3 AC 380 - 480 V:
● Line Connection Modules 3 AC 500 - 690 V:
8.29

L22, supplied as standard without line reactor

Availability of option
This option is available for the following S120 Cabinet Modules:
● Line Connection Modules, only with option L43 (for Basic Line Modules)
● Smart Line Modules
Cabinet Modules
Manual, 03/2013, A5E03263538A
Terminal block X700, monitoring surge arresters and fuses
Designation
NC
NC
NC: NC contact
has an LED as operating display. In the event of a fault as a result of a defective fuse, the
fuses (-Q700) must be checked and may have replaced once the fault cause has been
eliminated.
Remove the insert (protective module) by withdrawing the defective insert and inserting
the replacement part.
Replacing the complete surge arrester.
8.29 L22, supplied as standard without line reactor
Technical data
1)
Max. load current:
- At 24 V DC: 1 A
- At 230 V AC: 0.5 A
Options
473