Technical data

19
ACU401 - Technical data (from 18.5 to 30 kW)
ACU401- 27 29 31
Size 5 (-, A)
Output, motor side
Rated motor current output I
n
A 40.0 45.0 60.0
Rated motor voltage output U
n
V 3 x (from 0 to mains voltage)
Overload current I
pk
A 60.0 67.5 90.0
Recommended rated motor power P
n
kW 18.5 22.0 30.0
Switching frequency f
c
kHz From 2 to 16
Rated motor frequency f
n
Hz From 0 to 1000
Input, mains side
Rated mains voltage U V 320 ... 528
Rated mains frequency f Hz 45 ... 66
Rated current 3 ph/PE I A 35.6 52.0 58.0
Mains fuses 3 ph/PE I A 50.0 63.0
General
Short circuit / ground fault protection - - Yes, unlimited
Mounting position - - Vertical
Protection class - - IP 20 (EN60529)
(0)
Dimensions Std. A HxWxD mm 250 x 200 x 260
Weight (approx.) m kg 8.0
Brake unit - - Internal brake transistor
Environment
Cooling temperature T
n
°C From0to40(3K3DINIEC721-3-3)
Relative air humidity - % From 15 to 85, non-condensing
Options & accessories
Input line choke - - External (depending on mains supply)
EMI filter - - External Class B
Digital control unit - - Yes
Note: (0) = for protection classes higher than IP20 consult your local Bonfiglioli Drives Service Center