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Wiring
400V class (when input power supply is 440V)
The line voltage drop can be calculated by the following formula:
Line voltage drop [V]=
Use a larger diameter cable when the wiring distance is long or when it is desired to decrease the voltage drop (torque
reduction) in the low speed range.
Applicable
Inverter Model
Terminal
Screw
Size
*4
Tightening
Torque
N·m
Crimping
(Compression)
Terminal
Cable Sizes
HIV, etc. (mm
2
) *1
AWG/MCM *2
PVC, etc. (mm
2
) *3
R/L1,
S/L2,
T/L3
U, V, W
R/L1,
S/L2,
T/L3
U, V, W P/+, P1
Earthing
cable
R/L1,
S/L2,
T/L3
U, V, W
R/L1,
S/L2,
T/L3
U, V, W
Earthing
cable
FR-F740P-0.75K
to 3.7K
M4 1.5 2-4 2-4 2 2 2 2 14 14 2.5 2.5 2.5
FR-F740P-5.5K M4 1.5 2-4 2-4 2 2 3.5 3.5 12 14 2.5 2.5 4
FR-F740P-7.5K M4 1.5 5.5-4 5.5-4 3.5 3.5 3.5 3.5 12 12 4 4 4
FR-F740P-11K M4 1.5 5.5-4 5.5-4 5.5 5.5 5.5 8 10 10 6 6 10
FR-F740P-15K M5 2.5 8-5 8-5 8 8 8 8 8 8 10 10 10
FR-F740P-18.5K M5 2.5 14-5 8-5 14 8 14 14 6 8 16 10 16
FR-F740P-22K M6 4.4 14-6 14-6 14 14 22 14 6 6 16 16 16
FR-F740P-30K M6 4.4 22-6 22-6 22 22 22 14 4 4 25 25 16
FR-F740P-37K M6 4.4 22-6 22-6 22 22 22 14 4 4 25 25 16
FR-F740P-45K M8 7.8 38-8 38-8 38 38 38 22 1 2 50 50 25
FR-F740P-55K M8 7.8 60-8 60-8 60 60 60 22 1/0 1/0 50 50 25
FR-F740P-75K M8 7.8 60-8 60-8 60 60 60 38 1/0 1/0 50 50 25
FR-F740P-90K M10 14.7 60-10 60-10 60 60 80 38 3/0 3/0 50 50 25
FR-F740P-110K M10 14.7 80-10 80-10 80 80 100 38 3/0 3/0 70 70 35
FR-F740P-132K M10 14.7 100-10 100-10 100 100 100 38 4/0 4/0 95 95 50
FR-F740P-160K M10 14.7 150-10 150-10 125 125 150 38 250 250 120 120 70
FR-F740P-185K
M12 (M10)
24.5 150-12 150-12 150 150 2×100 38 300 300 150 150 95
FR-F740P-220K
M12 (M10)
24.5 100-12 100-12 2×100 2×100 2×100 38 2×4/0 2×4/0 2×95 2×95 95
FR-F740P-250K
M12 (M10)
46 100-12 100-12 2×100 2×100 2×125 38 2×4/0 2×4/0 2×95 2×95 95
FR-F740P-280K
M12 (M10)
46 150-12 150-12 2×125 2×125 2×125 38 2×250 2×250 2×120 2×120 120
FR-F740P-315K
M12 (M10)
46 150-12 150-12 2×150 2×150 2×150 60 2×300 2×300 2×150 2×150 150
FR-F740P-355K
M12 (M10)
46 200-12 200-12 2×200 2×200 2×200 60 2×350 2×350 2×185 2×185 2×95
FR-F740P-400K
M12 (M10)
46 C2-200 C2-200 2×200 2×200 2×200 60 2×400 2×400 2×185 2×185 2×95
FR-F740P-450K
M12 (M10)
46 C2-250 C2-250 2×250 2×250 2×250 60 2×500 2×500 2×240 2×240 2×120
FR-F740P-500K
M12 (M10)
46 C2-250 C2-250 2×250 2×250 3×200 100 2×500 2×500 2×240 2×240 2×120
FR-F740P-560K
M12 (M10)
46 C2-200 C2-200 3×200 3×200 3×200 100 3×350 3×350 3×185 3×185 2×150
*1 For the FR-F740P-55K or lower, the recommended cable size is that of the cable (e.g. HIV cable (600V class 2 vinyl-insulated cable)) with continuous
maximum permissible temperature of 75°C. Assumes that the surrounding air temperature is 50°C or less and the wiring distance is 20m or less.
For the FR-F740P-75K or higher, the recommended cable size is that of the cable (e.g. LMFC (heat resistant flexible cross-linked polyethylene insulated
cable)) with continuous maximum permissible temperature of 90°C. Assumes that the surrounding air temperature is 50°C or less and wiring is performed
in an enclosure.
*2 For the FR-F740P-45K or lower, the recommended cable size is that of the cable (THHW cable) with continuous maximum permissible temperature of
75°C. Assumes that the surrounding air temperature is 40°C or less and the wiring distance is 20m or less.
For the FR-F740P-55K or higher, the recommended cable size is that of the cable (THHN cable) with continuous maximum permissible temperature of
90°C. Assumes that the surrounding air temperature is 40°C or less and wiring is performed in an enclosure.
(Selection example for use mainly in the United States.)
*3 For the FR-F740P-45K or lower, the recommended cable size is that of the cable (PVC cable) with continuous maximum permissible temperature of
70°C. Assumes that the surrounding air temperature is 40°C or less and the wiring distance is 20m or less.
For the FR-F740P-55K or higher, the recommended cable size is that of the cable (XLPE cable) with continuous maximum permissible temperature of
90°C. Assumes that the surrounding air temperature is 40°C or less and wiring is performed in an enclosure.
(Selection example for use mainly in the Europe.)
*4 The terminal screw size indicates the terminal size for R/L1, S/L2, T/L3, U, V, W
,
and a screw for earthing (grounding).
A screw for earthing (grounding) of the 185K or higher is indicated in ( ).
CAUTION
· Tighten the terminal screw to the specified torque.
A screw that has been tighten too loosely can cause a short circuit or malfunction.
A screw that has been tighten too tightly can cause a short circuit or malfunction due to the unit breakage.
· Use crimping terminals with insulation sleeve to wire the power supply and motor.
3 × wire resistance[mΩ/m] × wiring distance[m] × current[A]
1000