ABB ACS55-01N-02A2-1 [17/268] Connecting power supply and motor

ABB ACS55-01N-02A2-1 [17/268] Connecting power supply and motor
EN 17
Connecting power supply and motor
Warning! Before installation ensure that the main supply is off.
Note: Ensure power supply is correct! Connecting 230 VAC to the ACS55 unit rated for 115 VAC input will damage
the drive!
Warning! If the heat sink is not earthed properly, you can get an electric shock if you touch the heat sink.
Note: Use only supplied M4x8 Combi screws. Maximum allowed intrusion depth for the grounding screws is
6mm.
Follow local rules for cable cross sections. Use 60°C (140°F) rated power cable, or 75°C (167°F) rated cable if
ambient temperature is above 30°C (86°F). See also Additional cabling and EMC instructions on page 19.
Earth leakage current of the ACS55 can exceed 3.5 mA AC / 10 mA DC. According to EN50178, ACS55 may only
be used in permanent installation.
Input fuse
See Technical data on page 22 for recommended fuse types.
Motor
The motor must be a 3-phase AC induction motor, with nominal voltage U
N
from 200 to 240 V and nominal
frequency f
N
either 50 or 60 Hz. Motor nominal current must be less than or equal to the nominal output current (I
2
)
of the drive.
If the phases are connected, U-U, V-V and W-W, and the selected direction is forward, the shaft rotates clockwise
as seen from the drive shaft end.
Terminal Description Wire size Tightening
torque
L/R, N/S 1~ power supply input Max. 2.5 mm
2
(frames A and B) or max.
4mm
2
(frames C and D) four conductor
cable
0.5 N·m
T1/U, T2/V, T3/W Power output to motor
PE Protective earth.
Motor cable protective
conductor and shield.
Use multi-strand copper wire. Size of the
wire is not allowed to be smaller than the
size of the power cable used.
1 N·m
1-phase
input voltage

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