Chapter 2: Installation and Wiring
2–18
Power Wiring Diagrams
Drives under 20hp
Drives 20–30hp (230VAC) & 20–60hp (460VAC)
Main circuit (power) terminals
Power Source 3 phase
200-240V+-10%
(50,60Hz+-5%)
380-480V+-10%
(50,60Hz+-5%)
DURAPULSE
GS3-xxxx
Grounding resistance
less than 0.1
L1
L3
L2
+ –+2
AC Motor
T3
T1
T2
BR
Braking resistor
(optional)
JUMPER
3 Ø
IM
Dynamic
Brake Unit
(optional)
Note: Grounding terminals
are internally connected.
Motor grounding
terminal
Users must connect wiring according to the circuit diagram shown below.
Main circuit (power) terminals
Power Source
200-240V+-10%
(50,60Hz+-5%)
380-480V+-10%
(50,60Hz+-5%)
DURAPULSE
GS3-xxxx
Grounding resistance
less than 0.1
L1
L3
L2
+
B2 B1
AC Motor
T3
T1
T2
BR
Braking resistor
(optional)
JUMPER
3 Ø
IM
(–)
Note: Grounding terminals
are internally connected.
Motor grounding
terminal
Use any two of L1, L2, L3
for 230V 1-phase models
Users must connect wiring according to the circuit diagram shown below.
DURAPULSE AC Drive User Manual
1st Ed. Rev. D 05/2013