5.6
ACU 401 Size 1 (0.25 to 1.5 kW, 400 V)
Type
ACU 401
Size
Output, motor side
Recommended motor shaft power
Output current
Long-term overload current (60 s)
Short-time overload current (1 s)
Output voltage
Protection
Rotary field frequency
Switching frequency
Output, braking resistor
Min. braking resistance
Recommended braking resistor
(U
= 770 V)
dBC
Input, mains side
2)
Power supply current
Mains voltage
Mains frequency
Fuses
UL type 600 VAC RK5
Mechanical
Dimensions
Weight approx.
Ingress protection rating
Connection terminals
Form of assembly
Ambient conditions
Energy dissipation (2 kHz switching
frequency)
Coolant temperature
If required by the customer, the switching frequency may be increased if the output current is reduced at the
same time. Comply with the applicable standards and regulations for this operating point.
4)
Output current
Frequency inverter nominal power
0.25 kW
0.37 kW
0.55 kW
0.75 kW
1.1 kW
1)
1.5 kW
1)
Three-phase connection requires a commutating choke.
2)
Mains current with relative mains impedance ≥ 1% (see Chapter 7 "Electrical installation")
3)
Reduction of switching frequency in thermal limit range
4)
Maximum current in continuous operation
38
-01
P
kW
0.25
I
A
1.0
I
A
2.0
I
A
2.0
U
V
-
-
f
Hz
0 ... 599, depending on switching frequency
f
kHz
R
Ω
300
R
Ω
930
I
A
1.0
U
V
f
Hz
I
A
I
A
HxWxD mm
m
kg
-
-
2
A
mm
-
-
P
W
30
T
°C
n
2 kHz
4 kHz
1.0 A
1.0 A
1.6 A
1.6 A
1.8 A
1.8 A
2.4 A
2.4 A
1)
1)
3.2 A
3.2 A
3)
3.8 A
3.8 A
Operating Instructions ACU
-03
-05
-07
1
0.37
0.55
0.75
1.6
1.8
2.4
3.2
2.7
3.6
3.2
3.6
4.8
Maximum input voltage, three-phase
Short circuit / earth fault proof
2, 4, 8, 12, 16
300
300
300
930
930
634
1.6
1.8
2.4
320 ... 528
45 ... 66
6
6
190 x 60 x 175
1.2
IP20 (EN60529)
0.2 ... 1.5
vertical
35
40
46
0 ... 40 (3K3 DIN IEC 721-3-3)
Switching frequency
8 kHz
12 kHz
1.0 A
0.8 A
1.6 A
1.3 A
1.8 A
1.5 A
2.4 A
2.0 A
1)
3.2 A
2.7 A
3)
3.8 A
3.2 A
-09
-11
1.1
1.5
3)
3.2
3.8
4.8
5.7
6.4
7.6
300
300
462
300
1)
1)
2.8
3.3
58
68
16 kHz
0.7 A
1.1 A
1.2 A
1.6 A
1)
2.2 A
3)
3)
2.6 A
12/16
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