Connecting The Auxiliary Voltage - Siemens SINAMICS SH150 Operating Instructions & Installation Instructions

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Figure 6-5
6.7

Connecting the auxiliary voltage

Connect 1 AC auxiliary voltage
Connect the 1 AC auxiliary voltage e.g. for SITOP, closed-loop control, open-loop control,
cabinet lighting, service sockets, anti-condensation heating etc. to the relevant terminal blocks.
The maximum cross section of the cables is 2.5 mm
You will find detailed information in the terminal diagram or in the circuit manual under
"Technical specifications and drawings."
Connect 3 AC auxiliary voltage
Connect the 3 AC auxiliary voltage for e.g. fans, precharging etc. to the relevant terminal
blocks. The maximum cross section of the cables is 6 mm
With options C30 - C49, the auxiliary voltage can be drawn from the matching transformer.
You will find detailed information in the terminal diagram or in the circuit manual under
"Technical specifications and drawings."
See also
Technical data and drawings (Page 121)
SINAMICS SH150 6SL3805
Operating Instructions 05/2020
Interfaces
Shield busbar
Connecting the signal cables
Electrical connection
6.7 Connecting the auxiliary voltage
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