
3 Wiring and Connection
3.3.3 Typical Main Circuit Wiring Examples
3-26
Three-phase 400 V, SGDV-
D
• SGDV-1R9D, 3R5D, 5R4D, 8R4D, 120D, 170D
• SGDV-210D, 260D, 280D, 370D
1QF: Molded-case circuit breaker
1FIL: Noise filter
1KM: Magnetic contactor (for control power supply)
2KM: Magnetic contactor (for main power supply)
1Ry: Relay
1PL: Indicator lamp
1SA: Surge absorber
2SA: Surge absorber
3SA: Surge absorber
1D: Flywheel diode
ENC
SGDV-
D
U
V
W
M
0 V
1Ry
ALM+
ALM
−
31
32
1D
CN1
1QF
R S T
1FIL
+24 V
3SA
B2
B3
1
2
B1/
1Ry
1PL
1KM
2KM
1SA
1Ry
1KM
2SA
L1
2KM
L2
L3
24 V
DC power
supply
24 V
+
−
1KM
0 V
1KM
(For servo
alarm display)
supply ON
Servo power
supply OFF
Servo power
SERVOPACK
ENC
SGDV-
D
U
V
W
M
0 V
1Ry
ALM+
ALM
−
31
32
1D
CN1
1QF
R S T
1FIL
+24 V
3SA
B2
1
2
B1/
1Ry
1PL
1KM
2KM
1SA
1Ry
1KM
2SA
L1
2KM
L2
L3
24 V
DC power
supply
(24 V)
+
−
1KM
0 V
1KM
Regenerative
resistor unit
(For servo
alarm display)
supply ON
Servo power
supply OFF
Servo power
SERVOPACK
1QF: Molded-case circuit breaker
1FIL: Noise filter
1KM: Magnetic contactor (for control power supply)
2KM: Magnetic contactor (for main power supply)
1Ry: Relay
1PL: Indicator lamp
1SA: Surge absorber
2SA: Surge absorber
3SA: Surge absorber
1D: Flywheel diode