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WIRING
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Main circuit terminal specifications
FR-F740P-132K to 220K FR-F740P-250K to 560K
CAUTION
· The power supply cables must be connected to R/L1, S/L2, T/L3. (Phase sequence needs not to be matched.) Never connect
the power cable to the U, V, W of the inverter. Doing so will damage the inverter.
· Connect the motor to U, V, W. At this time, turning ON the forward rotation switch (signal) rotates the motor in the
counterclockwise direction when viewed from the motor shaft.
· When wiring the inverter main circuit conductor of the 250K or higher, tighten a nut from the right side of the conductor. When
wiring two wires, place wires on both sides of the conductor. (Refer to the drawing below.) For wiring, use bolts (nuts) provided
with the inverter.
• Handling of the wiring cover
(FR-F720P-18.5K, 22K, FR-F740P-22K, 30K)
For the hook of the wiring cover, cut off the necessary
parts using a pair of long-nose pliers etc.
M
R/L1 S/L2 T/L3
N/-
P/+
R1/L11 S1/L21
P/+
P/+
Screw size (M4)
Jumper
Charge lamp
Screw size
(M10)
Motor
Screw size (M12)
(for option)
Power supply
DC reactor
Screw size
(M10 for 132K and 160K,
M12 for 185K and 220K)
M
R/L1 S/L2 T/L3
N/-
R1/L11 S1/L21
P/+
P/+
Screw size (M4)
Jumper
Charge lamp
Motor
Power supply
DC reactor
Screw size (M12)
Screw size (M10)
CAUTION
Cut off the same number of lugs as wires. If parts where
no wire is put through has been cut off (10mm or more),
protective structure (JEM1030) becomes an open type
(IP00).