ABB ACS55 Serie Guia Del Usuario página 16

EN
Connecting power supply and motor
1-phase
input voltage
www.barghmaher.org
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!
Terminal Description
L/R, N/S 1~ power supply input
T1/U, T2/V, T3/W Power output to motor
PE Protective earth.
Motor cable protective
conductor and shield.
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
6 mm.
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
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
Motor
The motor must be a 3-phase AC induction motor, with nominal voltage U
frequency f either 50 or 60 Hz. Motor nominal current must be less than or equal to the nominal output current (I
N
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.
Wire size
Max. 2.5 mm
4 mm
wire
Use multi-strand copper wire. Size of the
wire is not allowed to be smaller than the
size of the power cable used.
Additional cabling and EMC instructions
22 for recommended fuse types.
ac.maher.co.ir
2
(frames A and B) or max.
2
(frames C and D) single core copper
from 200 to 240 V and nominal
N
17
Tightening
torque
0.5 Nm /
0.6 Nm
1 Nm(*)
on page 19.
)
2