IMPULSE®•G+ & VG+ Series 4 Instruction Manual - February 2017
3-9
Power Circuit Wiring Procedures
To wire the power circuit for IMPULSE
®
•G+ & VG+ Series 4:
1. Run the three-phase power supply wires through an appropriate enclosure hole.
2. Refer to “Suggested Circuit Protection Specifications and Wire Size” on page 3-6, connect the
three-phase power supply wires to a circuit protection system.
3. Connect the three-phase power supply wires from the circuit protection Terminals R/L1, S/L2,
and T/L3.
4. From Terminals U/T1, V/T2, and W/T3, connect the power output wires to the motor. If a load
reactor is used, connect these output wires to the reactor input instead; then connect the reactor
output to the motor.
NOTE: If a device that can interrupt power is installed between the drive and the motor, install
a reactor on the output side of the drive.
Table 3-4: Main Circuit Terminal Wiring
Terminal Drive Model
Function
230 V Class 2003 to 2075 2085 to 2115 2145 to 2415
460 V Class 4001 to 4039 4045 to 4060 4075 to 41090
575 V Class 5001 to 5027 5032 to 5041 5052 to 5200
R/L1
Main circuit power supply input
NOTE: 6-pulse operation only
Connects line power to the
drive
S/L2
T/L3
U/T1
Drive Output Connects to the motorV/T2
W/T3
B1
Braking Resistor Not Available
Available for connecting a
braking resistor or a
braking resistor unit option
B2
+2 DC link choke
connection (+1, +2)
(remove the bar
between +1 and +2)
DC power supply input
(+1, -)
Not Available
For connecting:
• the drive to a DC
power supply
(terminals +1 and -
are not UE/CE or UL
approved)
• dynamic braking
options
• a DC link choke
+1
DC power supply input
(+1, -)
DC power supply input
(+1, -)
Braking unit connections
(+3, -)
--
+3
Not available
Same as B1 on models:
2003 to 2115
4001 to 4060
5001 to 5041
For 230 V class: 100 or less
For 460 V class: 10 or less
For 575 V class: 10 or less
Grounding terminal
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