Technical data

18
ACU401 - Technical data (from 4.0 to 15 kW)
ACU401- 18 19 21 22 23 25
Size 2 (F, A) Size 3 (- or F, A) Size 4 (-, A)
Output, motor side
Rated motor current output I
n
A 9.0 14.0 18.0 22.0 25.0 32.0
Rated motor voltage output U
n
V 3 x (from 0 to mains voltage)
Overload current I
pk
A 13.5 21.0 26.3 30.3 37.5 44.5
Recommended rated motor power P
n
kW 4.0 5.5 7.5 9.2 11.0 15.0
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 7.8 14.2 15.8 20.0 26.0 28.2
Mains fuses 3 ph/PE I A 10.0 16.0 25.0 35.0
General
Short circuit / ground fault protection - - Yes, unlimited
Mounting position - - Vertical
Protection class - - IP 20 (EN60529)
(0)
Dimensions Std. A HxWxD mm 250 x 60 x 175 250 x 100 x 200 250 x 125 x 200
Weight (approx.) m kg 1.6 3.0 3.7
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 - - Internal Class A (EN 61800-3); external Class B External Class B
Digital control unit - - Yes
Note: (0) = for protection classes higher than IP20 consult your local Bonfiglioli Drives Service Center