Input AC Voltage
Input AC Voltage
PE lug on heatsink
PE lug on heatsink
L2
L3
B-
B+
L2
L3
U V W PE PE
PES
PES
PES
3-Phase
AC Motor
3-Phase
AC Motor
T1 T2
T3 B-
B+
+
-
DC
Bus
Voltage
Torque Requirements
WARNING!
• DO NOT connect incoming AC power to output terminals U, V, W, or terminals
B+, B-! Severe damage to the drive will result.
• Leakage current may exceed 3.5 mA AC. Minimum size of the protective earth
(PE) conductor shall comply with local safety regulations for high leakage current
equipment.
NOTE
• WIRE AND GROUND IN ACCORDANCE WITH NEC OR CEC, AND ALL
APPLICABLE LOCAL CODES.
• Motor wires MUST be run in a separate steel conduit away from control wiring
and incoming AC power wiring.
• Do not install contactors between the drive and the motor without consulting AC
Technology for more information. Failure to do so may result in drive damage.
• Use only UL and CSA listed and approved wire.
• Minimum wire voltage rating is 300 V for 120, 208, and 240 Vac systems, and
600 V for 400 and 480 Vac systems.
• Wire gauge must be based on a minimum of 125% of the rated input/output current
of the drive, and a minimum 75°C insulation rating. Use copper wire only.