Download ABB ACH550 User`s manual

00Template.book Page 387 Friday, January 2, 2004 2:55 PM
ACH550 User's Manual
Cable terminals
Mains and motor cable maximum sizes (per phase) accepted at
the cable terminals, and the tightening torques are listed in the
following table.
Frame
size
U1, V1, W1
U2, V2, W2
Earthing PE
Control
Maximum
Wire Size
Torque
Maximum
Wire Size
Torque
mm2
AWG
Nm
lb-ft
mm2 AWG Nm lb-ft
R1
6
8
1.4
1.0
4
10
1.4 1.0
R2
10
6
1.4
1.0
10
8
1.4 1.0
R3
25
3
1.8
1.3
16
6
1.8 1.3
R4
50
1/0
2.0
1.5
35
2
2.0 1.5
R5
70
2/0
15
11.1
70
2/0
15
11.1
R6
185
350
40
MCM
29.5
95
4/0
8
5.9
Maximum
wire size
Torque
mm2
AWG Nm lb-ft
1.5
16
0.4 0.3
Input power (mains) connection
Input power (mains) connection specifications
Voltage (U1)
208/220/230/240 VAC 3-phase (or 1-phase)
+10% -15% for 230 VAC units
400/415/440/460/480 VAC 3-phase
+10% -15% for 400 VAC units
Prospective
short-circuit
current (IEC
629)
Maximum allowed prospective short-circuit
current in the supply is 65 kA in
a second providing that the mains cable of the
drive is protected with appropriate fuses. US:
65,000 AIC.
Frequency
48...63 Hz
Imbalance
Max.±3%of nominal phase to phase input
voltage.
Fundamental
power factor
(cos phi1)
0.98 (at nominal load)
Cable
temperature
rating
90°C (194°F) rating minimum
Appendix and available options
387