21
WIRING
*1
For the FR-A840-01800(55K) or lower and the FR-A846 (IP55 compatible) models, the recommended cable size is that of the 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-A840-02160(75K) or higher, the recommended cable size is that of the LMFC cable (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-A840-01160(45K) or lower and the FR-A846 (IP55 compatible) models, the recommended cable size is that of the 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-A840-01800(55K) or higher, the recommended cable size is that of 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-A840-01160(45K) or lower and the FR-A846 (IP55 compatible) models, the recommended cable size is that of the 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-A840-01800(55K) or higher, the recommended cable size is that of 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 Europe.)
*4
The terminal screw size for the FR-A840 models indicates the terminal size for R/L1, S/L2, T/L3, U, V, W, PR, PX, P/+, N/–, P1, P3,
and a screw for earthing.
The terminal screw size for the FR-A846 (IP55 compatible) models indicates the terminal size for R/L1, S/L2, T/L3, U, V, W, P/+, N/–,
P1 and a screw for earthing.
The screw size for P/+ terminal for connecting an option to FR-A840-03250(110K) or FR-A840-03610(132K) is indicated in brackets.
The screw size for earthing (grounding) of FR-A840-04320(160K) or higher is indicated in brackets.
400V class, FR-A842 (when input power supply is 440V based on the rated current for 150% overload for 1 minute)
(
For the applicable cables of the converter unit (FR-CC2) refer to the FR-CC2 Instruction Manual.)
*1
The recommended cable size is that of the LMFC cable (heat resistant flexible cross-linked polyethylene insulated 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.
*2
The recommended cable size is that of 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
The recommended cable size is that of 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 Europe.)
*4
The terminal screw size indicates the terminal size for R/L1, S/L2, T/L3, U, V, W, P/+, N/– and a screw for earthing.
The screw size for earthing (grounding) is indicated in brackets
The line voltage drop can be calculated by the following expression:
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 Type
FR-A842-
Terminal Screw
Size *
4
Tightening
Torque [Nm]
Crimping
Terminal
Cable Sizes
HIV, etc. [mm
2
] *
1
AWG/MCM
*
2
PVC, etc. [mm
2
] *
3
U, V, W
U, V, W
P/+, N/–
Earth
Cable
Gauge
U, V, W
U, V, W
Earth
Cable
Gauge
07700(315K)
M12 (M10)
46
150-12
2×150
2×150
100
2×300
2×150
150
08660(355K)
M12 (M10)
46
C2-200
2×200
2×200
100
2×350
2×185
2×95
09620(400K)
M12 (M10)
46
C2-200
2×200
2×200
100
2×400
2×185
2×95
10940(450K)
M12 (M10)
46
C2-250
2×250
2×250
100
2×500
2×240
2×120
12120(500K)
M12 (M10)
46
C2-250
2×250
3×200
2×100
2×500
2×240
2×120
Line voltage drop [V] =
√
3 × wire resistance [m
Ω
/m] × wiring distance [m] x current [A]
1000
CAUTION
Tighten the terminal screw to the specified torque.
A screw that has been tightened too loosely can cause a short circuit or malfunction.
A screw that has been tightened 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.
Содержание FR-A800
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