Selection Criteria - Eaton PowerXL DA1 Series Installation Manual

1.7 Selection criteria

Select the variable frequency drive according to the supply voltage U
supply system and the rated operational current of the rated motor.
The circuit type (Δ / ) of the motor must be selected according to the supply
voltage.
Thevariable frequency drive's rated output current I
equal to the rated motor current.

DC- L1/L L2/N
L3
COM

DC+ BR
U
V
W
Figure 22: Selection criteria – Rating plate data
When selecting the drive, the following criteria must be known:
• Mains voltage = motor supply voltage (e. g. 3~ 400 V),
• Type and characteristics of motor (e. g., three-phase asynchronous
motor),
• The rated motor current (recommended value – depends on the motor's
configuration and on the power supply),
• Ambient conditions: ambient temperature, control cabinet installation
with IP20 protection or direct local installation with IP66 protection.
Example based on figure 22
• Mains voltage: 3~ 400 V, 50 Hz
• Star connection (400 V)
• Rated Current: 1.9 A (400 V)
Control panel installation → IP20 protection
•
• Max. ambient temperature 50 °C without derating, IP20
￫ variable frequency drive to be selected: DA1-342D2FB-B20C
• DA1-34...: 3-phase mains terminal, rated operating voltage: 400 V
• DA1-...2D2...: 2.2 A – The variable frequency drive's rated operational
current (output current) guarantees that the motor will be supplied with
the required rated operational current (1.9 A).
DA1 Variable Frequency Drives 08/18 MN04020005Z-EN www.eaton.com
P1-08
P1-07
230/400 V 3.2/1.9 A
0,75 KW cos ϕ 0.79
-1
1410 min 50 Hz
P4-05
P1-10 P1-09
1 DA1 device series
1.7 Selection criteria
of the
LN
must be greater than or
e
33