Siemens SINAMICS S120 Equipment Manual page 81

Operating an Active Interface Module from an insulated network (IT system)
When a 55 kW, 80 kW and 120 kW Active Interface Module is operated from an insulated
supply (IT system), the connection bracket for the interference-suppression capacitor must
be removed. The connection bracket for the interference-suppression capacitor is located on
the lower side of the component.
The connecting bracket may only be removed in the de-energized state.
Risk of electric shock. Dangerous voltages are still present for up to 5 minutes after the
power supply has been switched off.
CAUTION
If the connection bracket for the interference-suppression capacitor is not removed, an
insulated supply will be grounded and may cause destruction of the isolation monitor in the
case of failure.
Remove the connection bracket for the
interference-suppression capacitor with
a Tx25 screwdriver.
Booksize cold-plate power units
Manual, (GH4), 03.2007, 6SL3097-2AJ00-0BP4
DANGER
Remove the connection bracket.
Line connection
4.9 Active Interface Module
Connection bracket for the
interference-suppression capacitor
81