26
27
6. Wiring
■
With Brake, 3-Phase Power Source, Rotating in One Direction
Premium-efficiency, 3-phase motor
FB-20, FB-30
8 Lead Wires
Direct On-Line Starting
‒Δ
Starting
Q
uick Br
ak
ing C
ircuit
wiring
at start
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 to prepare.
- This diagram shows cases for motors with standard Japanese domestic specifications. Please consult with us for motors with overseas
specifications.
- For brake types, see Table 1-1 on P5.
- Use with a quick braking circuit. For information on electromagnetic contactors for quick braking circuits, see Table 6-4 on P37.
- In the case of quick braking circuits, interlock brake circuit’s electromagnetic contractor with the motor’s electromagnetic contractor.
- Shipped with a short circuit plate connecting rectifier terminals 5 and 6. Remove the short circuit plate when wiring.
U1
V1 W1
V2 W2 U2
R
S
T
1 2 3 4 5 6
M N
Rectifier
Brake
MC
MC
OLR
Motor
MC
M
MC
Δ
MC
R
OLR
U1
S
V1
T
W1 V2 W2 U2
1 2 3 4 5 6
M N
Motor
Rectifier
Brake
MC
Co
nt
ro
l P
an
el
M
ot
or
Co
nt
ro
l P
an
el
M
ot
or