① Interfaces
② Shield busbar
Figure 6-5 Connecting the signal cables
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
2
.
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
2
.
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)
Electrical connection
6.7 Connecting the auxiliary voltage
SINAMICS SH150 6SL3805
Operating Instructions 05/2020 73
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