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6. Wiring
These diagrams indicate the standard specifications of the motor wiring and also the symbols for the terminals and lead wires.
■
Without Brake. 3-Phase Power Source
3-Phase Motor
Premium-Efficiency, 3-Phase Motor
3 Lead Wires
6 Lead Wires
Direct On-Line Starting
‒Δ
Starting
At start
Wiring
MC
M
ON
MC
Δ
OFF
MC ON
Δ wiring when
acceleration is
completed.
MC
M
ON
MC
Δ
OFF
MC OFF
MC : Electromagnetic contactor
OLR : Overload protection device or electronic thermal relay
Customer needs to prepare.
- This diagram shows cases for motors with standard Japanese domestic specifications. Please consult with us for motors with overseas
specifications.
U1
V1
W1
V2
W2
U2
R
S
T
MC
OLR
Motor
U1 V1 W1 V2 W2 U2
MC
MC
M
OLR
MC
Δ
MC
Motor
S
R
T
U
V
W
R
S
T
MC
OLR
Motor
Co
nt
ro
l P
an
el
M
ot
or
Co
nt
ro
l P
an
el
M
ot
or
Co
nt
ro
l P
an
el
M
ot
or