
3 Installation
3.5 Electrical installation
DB1 variable frequency drive
11/20 MN040031EN
Eaton.com
64
3.5 Electrical installation
CAUTION
Carry out wiring work only after the variable frequency drive has
been correctly mounted and secured.
DANGER
Risk of injury due to electric shock!
Carry out wiring work only if the unit is de-energized.
WARNING
Fire hazard!
Only use cables, circuit breakers and contactors with the indica-
ted permissible nominal current value.
WARNING
On DB1 variable frequency drives, ground leakage currents can
be greater than 3.5 mA (AC).
According to product standard IEC/EN 61800-5-1, an additional
equipment grounding conductor must be connected, or the
cross-section of the equipment grounding conductor must be at
least 10 mm
2
.
DANGER
The components in the variable frequency drive’s power section
remain energized up to five (5) minutes after the supply voltage
has been switched off (internal DC link capacitor discharging
time).
Pay attention to hazard warnings!
.
→
Complete the following steps with the specified tools and
without using force.