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12. Technical Data
12.1. Environmental
Operational ambient temperature range
Storage ambient temperature range
Maximum altitude
Maximum humidity
For UL compliance: the average ambient temperature over a 24 hour period for 200-240V, 3HP (IP20) drives is 45°C.
NOTE
Also Refer to section 12.5 for Output current Derating Information.
12.2. Rating Tables
The following tables provide the output current rating information for the various ACS255 models. ABB Drives always recommend that
selection of the correct ACS255 is based upon the motor full load current at the incoming supply voltage.
Cable sizes shown are the maximum possible that may be connected to the drive. Cables should be selected according to
local wiring codes or regulations at the point of installation
The rated fuse currents given in the table are the maximums for the mentioned fuse types. If smaller fuse ratings are used, check that the fuse
rms current rating is larger than the nominal input current. If 150% output power is needed, multiply nominal input current by 1.5.
Check that the operating time of the fuse is below 0.5 seconds. The operating time depends on the fuse type, the supply network impedance
as well as the cross-sectional area, material and length of the supply cable. In case the 0.5 seconds operating time is exceeded with the gG or T
fuses, ultra rapid (aR) fuses in most cases reduce the operating time to an acceptable level.
Note: Larger fuses must not be used when the input power cable is selected according to this table.
Power
Model Number
(HP)
1-phase 110V...115V AC (+/-10%) - 3 Phase 230V Output
ACS255-01U-02A3-1
0.5
ACS255-01U-04A3-1
1
ACS255-01U-05A8-1
1.5
1-phase 200...240V AC (+/-10%) - 3 Phase Output
ACS255-01U-02A3-2
0.5
ACS255-01U-04A3-2
1.0
ACS255-01U-06A1-2
1.5
ACS255-01U-07A0-2
2.0
ACS255-01U-10A5-2
3.0
ACS255-01U-15A3-2
5.0
3-phase 200...240V AC (+/-10%) - 3 Phase Output
ACS255-03U-02A3-2
0.5
ACS255-03U-04A3-2
1.0
ACS255-03U-06A1-2
1.5
ACS255-03U-07A0-2
2.0
ACS255-03U-10A5-2
3.0
ACS255-03U-18A0-2
5.0
3-phase 380...480V AC (+/-10%) - 3 Phase Output
ACS255-03U-01A2-4
0.5
ACS255-03U-02A2-4
1
ACS255-03U-03A3-4
1.5
ACS255-03U-04A1-4
2
ACS255-03U-05A8-4
3
ACS255-03U-09A5-4
5
ACS255-03U-14A0-4
7.5
ACS255-03U-18A0-4
10
*Internal Braking transistor only available on drives with "+D150" in the model type designation (see section 3.3).
Note
For UL compliance, Motor Cable to be 75°C Copper.
Note
Other fuse types can be used if they meet the ratings and the melting curve of the fuse does not exceed the melting
curve of the fuse mentioned in this table.
(IP20) Open Drives :
(IP66) Enclosed Drives:
Nominal
Nominal Input
Input
Current with 3%
Current (A)
Line Choke (A)
7.8
7.1
15.8
15.0
21.9
20.1
3.7
2.9
7.5
6.6
11.0
9.7
12.9
11.4
19.2
17.0
29.2
25.9
3.4
2.8
5.6
4.4
8.1
6.3
8.9
7.0
12.1
9.9
20.9
17.4
1.9
1.5
3.5
2.7
4.6
3.3
5.6
4.5
7.5
5.5
11.5
9.2
17.2
14.5
21.2
17.2
-10 ... 50°C (frost and condensation free)
-10 ... 40°C (frost and condensation free)
:
-40 ... 60°C
:
2000m. Derate above 1000m : 1% / 100m
:
95%, non-condensing
Fuse
Maximum
(A)
Cable Size
UL
gG
Class
mm
2
AWG
CC or J
10
10
8
8
25
20
8
8
32
30
8
8
10
6
8
8
10
10
8
8
16
15
8
8
16
17.5
8
8
25
25
8
8
40
40
8
8
6
6
8
8
10
10
8
8
10
15
8
8
16
15
8
8
16
17.5
8
8
32
30
8
8
6
6
8
8
6
6
8
8
10
10
8
8
10
10
8
8
16
10
8
8
16
15
8
8
25
25
8
8
32
30
8
8
Maximum
Nominal
Motor Cable
Output
Length
Current
(A)
Mtrs
2.3
100
4.3
100
5.8
100
2.3
100
4.3
100
6.1
100
7
100
10.5
100
15.3
100
2.3
100
4.3
100
6.1
100
7
100
10.5
100
18
100
1.2
100
2.2
100
3.3
100
4.1
100
5.8
100
9.5
100
14
100
18
100
Recommended
Frame
Brake Resistance
Size
(Ω)
N/A
E1
N/A
E1
50
E2
N/A
E1
N/A
E1
N/A
E1
*100
E2
50
E2
50
E3
N/A
E1
N/A
E1
N/A
E1
100
E2
50
E2
50
E3
N/A
E1
N/A
E1
N/A
E1
*200
E2
200
E2
100
E2
100
E3
50
E3
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