Siemens SINAMICS S120 Device Manual page 241

Configuration
The Auxiliary Power Supply Module is connected on the plant side to a voltage
corresponding to the respective rated device voltage.
The standard version contains the following components:
● Circuit breaker with auxiliary contacts for external evaluation
● Supply of auxiliary power system with three auxiliary voltages:
– 24 V DC for the electronics power supply
– 230 V 1 ph. AC for supply of 230 V AC loads
– 380 to 690 V 2 ph. AC for supply of device fans (corresponding to the respective rated
● Transformer with output voltage 230 V 1 ph. AC
● SITOP power supply 24 V DC
● PE busbar, nickel-plated (60 x 10 mm), including jumper for looping through to the next
Cabinet Module.
Note
Additional information
The configuration examples of the auxiliary power supply module illustrate the positioning of
the factory-fitted components. They show the maximum possible configuration of the
modules, which contain all options that can be ordered.
Refer to the layout diagrams (AO) on the customer DVD for the precise order-specific
positioning of the components.
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A
device voltage)
Cabinet Modules
5.7 Auxiliary Power Supply Modules
241