Connect the auxiliary voltage 3-phase 400 VAC / 50 Hz
1. Connect the auxiliary voltage for fans, precharging, etc. to the terminal box ②. The
maximum permissible conductor cross-section is 50 mm
2
.
2. To connect the cables, move the cover upward.
3. Attach the cables to the appropriate connections.
For detailed information, see "Terminal strips" and the circuit manual of the drive.
See also
Terminal assignments (Page 238)
① Terminal strip
② Terminal box
Figure 6-7 Connection for auxiliary voltages
6.5.7 Connecting the control cables to the circuit-breaker for the capacitor release
(option N20)
"ON" and "OFF" commands
To transfer two "OFF" commands, you need at least two redundant three-core cables. To
transfer one "ON" command, you need an additional two-core cable.
Use shielded cables with a minimum cross-section of 0.75 mm
2
.
Place the shields on the shield bar provided in the control cabinet.
Electrical connection
6.5 Connection
SINAMICS GM150 6SL3815-2LN41-4AA2
112 Operating Instructions 04/2017
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