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Design and Installation
Terminal Block Current and Wire Sizes
The following table shows the rated effective currents flowing to the Position Driver's terminal block, and
also the sizes of the electrical wires.
j Position Drivers with 200-VAC Input (FND-X
Driver
Main power sup-
Effective current
ply input termi-
l i
i
Wire size
nals (R, S, T)
nals (R S T)
Tightening torque 1.3 N m
Control circuit
Effective current
power supply in
power supply in-
Wire size
put terminals
ut terminals
Tightening torque ---
(R0, S0)
Motor output ter-
Effective current
minals (A, B, C,
minals (A B C
Wire size
PE)
PE)
Tightening torque 1.3 N m
Frame ground
g
Wire size
terminal (PE)
i
l (PE)
Tightening torque 1.3 N m
j Position Drivers with 100-VAC Input (FND-X
Driver
Main power supply in-
y
put terminals (R, S)
i
l (R S)
Motor output terminals
(A, B, C, PE)
(A B C PE)
Frame ground terminal
g
(PE)
(PE)
Wire Sizes and Allowable Current
The following table shows allowable currents when there are three electrical wires. Use values equal to
or lower than the specified values.
j Heat-resistant Vinyl Wiring, UL1007, Rated Temperature 80 C (Reference Value)
AWG size
Nominal cross-
sectional area
(mm
(
20
0.5
---
0.75
18
0.9
16
1.25
14
2.0
12
3.5
10
5.5
2-66
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FND-X06H-
2.1 A
2
0.75 mm
---
---
1.4 A
2
0.75 mm
2
0.75 mm
Effective current
2.9 A
Wire size
0.75 mm
Tightening torque 1.3 N m
Effective current
1.4 A
Wire size
0.75 mm
Tightening torque 1.3 N m
Wire size
0.75 mm
Tightening torque 1.3 N m
Configuration
(wires/mm
(
2
2
)
)
19/0.18
30/0.18
37/0.18
50/0.18
7/0.6
7/0.8
7/1.0
H- )
FND-X12H-
FND-X25H-
4.9 A
10.1 A
1.25 mm
3.4 A
5.7 A
1.25 mm
1.25 mm
L- )
FND-X06L-
3.3 A
2
2.1 A
2
2
Conductive
2
)
)
resistance
(Ω/km)
(Ω/k )
39.5
6.6
26.0
8.8
24.4
9.0
15.6
12.0
9.53
23
5.41
33
3.47
43
Chapter 2
FND-X50H-
16 A
2
0.35 A
2
0.75 mm
1.3 N m
14.1 A
2
2
2.0 mm
2
2
2.0 mm
FND-X12L-
Allowable current (A) for
ambient temperature
40 C
50 C
60 C
5.6
4.5
7.0
5.5
7.7
6.0
11.0
8.5
20
16
29
24
38
31
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Troubleshooting
