Connection Overview - Siemens SINAMICS S120 Manual

Electrical installation
4.6 Connections
Connecting cables
Table 4- 7 Voltage assignment for connecting cables
Cable Phase
4-phase 1
2
3
4
2-phase 1
2
Hazardous electrical voltage caused by incorrect voltage assignment
When establishing connections to the auxiliary power supply system, you must ensure that
you do not interchange the power supplies! Errors or carelessness can result in serious
injury or damage to the components or system.
4.6.5.2

Connection overview

The following connections must be established for the auxiliary power supply system:
● Connection of auxiliary power module when cabinet units are installed side-by-side
● Connecting to the infeed
Preparatory steps for all work carried out on the auxiliary power supply system
● Install and secure the cabinet units properly.
● Disconnect the cabinet units from the power supply.
● Disconnect the auxiliary power supply system from the power supply.
● Allow unimpeded access to the auxiliary power supply system of the cabinet units (if
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Assigned voltages
Line voltage:
380 to 480 V 2 AC or

500 to 690 V 2 AC (max. 759 V AC)

230 V 1 AC (max. 265 V AC)
24 V DC for the electronics power supply (max. 30 V DC)
The cable marked "1" must be connected to terminal 5 on the terminal block. The cable
marked "2" must be connected to terminal 6 on the terminal block.
DANGER
necessary, remove the protective covers during installation work)
Cabinet Modules
Manual, 03/2013, A5E03263538A