Siruba C007KD - Power Connection and Grounding; 3.1 Single Phase Connection; 3.2 Connecting 1Φ; 220 V from 3Φ; 380 V Source; 3.3 Load Balance for 1Φ; 220 V on 3Φ; 220 V

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3. Power Connection and Grounding:
(1). Single phase connection:
Green/yellow wire is the ground wire.
(2). How to connect a 1Φ / 220 V power from a 3 Φ / 380 V power source
(3).The load balance when use a 1Φ / 220 V motor used on a 3 Φ / 220 V power
source.
See the following figure for the load balance.
Gree
n / Yellow wire must do the grounding.
Caution：If the power source does not have the neutral point, then this 1Φ / 220 V servo motor is
not suitable for this connection. Please ask supplier to offer our 3Φ / 380 V servo motor.
R
S
T
N
PE
Grounding system G G G
1ψ220V
Motor
1ψ220V
Motor
1ψ220V
Motor
L1 L1 L1
L2
L2
L2
Neutral
Caution: Must have a Neutral point
380 V
380 V
220 V
220 V
220 V
380 V
Single Phase
PVC Cable
Brown wire
Blue wire
Green/Yellow wire
R
S
T