Acu 401 (75.0 To 132.0 Kw) - BONFIGLIOLI ACTIVE Cube ACU 201-01 Operating Instructions Manual

6.5.5 ACU 401 (75.0 to 132.0 kW)

DANGER
Disconnect the frequency inverter from mains voltage and protect it against being
energized unintentionally.
Verify that the frequency inverter is discharged.
Wait for some minutes until the DC link capacitors have discharged before starting to
work at the unit.
When the frequency inverter is disconnected from power supply, the mains, DC-link
voltage and motor terminals may still be live for some time.
Switch off power supply before connecting or disconnecting the mains cable
to/from terminal X1, the motor cables and the brake resistor to/from terminal X2.
68
Mains connection ACU 401 (75.0 to 132 kW)
U V
ZK+
Rb2
L1 L2 L3
Threaded bolt M8x20
Operating Instructions ACU
10 Nm
W
88.5 lb-in
ZK-
L1 L2 L3
L1 L2 L3 PE
3ph / 400V AC
06/13