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INSTALLATION AND WIRING
16
(3) Cables, crimping terminals, etc.
The following table lists the cables and crimping terminals used with the inputs (R, S, T)
〈
L
1
, L
2
, L
3
〉
and
outputs (U, V, W) of the inverter and the torques for tightening the screws:
••••
FR-F520-0.75K to 55K
Cables (Note 1)
PVC insulated
Cables (Note 1)
Applicable Inverter
Type
Crimping Terminals
mm
2
AWG
mm
2
Terminal
Screw
Size
Tightening
Torque
N
⋅⋅⋅⋅
m
R, S, T
〈〈〈〈
L
1
, L
2
, L
3
〉〉〉〉
U, V, W
R, S, T
〈〈〈〈
L
1
, L
2
, L
3
〉〉〉〉
U, V, W
R, S, T
〈〈〈〈
L
1
, L
2
, L
3
〉〉〉〉
U, V, W
R, S, T
〈〈〈〈
L
1
, L
2
, L
3
〉〉〉〉
U, V,
W
FR-F520-0.75K to 2.2K
M4
1.5
2-4
2-4
2
2
14
14
2.5
2.5
FR-F520-3.7K
M4
1.5
5.5-4
5.5-4
3.5
3.5
12
12
4
2.5
FR-F520-5.5K
M5
2.5
5.5-5
5.5-5
5.5
5.5
10
10
6
4
FR-F520-7.5K
M5
2.5
14-5
8-5
14
8
6
8
16
6
FR-F520-11K
M5
2.5
14-5
14-5
14
14
6
6
16
10
FR-F520-15K
M6
4.4
22-6
22-6
22
22
4
4
35
16
FR-F520-18.5K
M6
4.4
38-6
38-6
38
38
2
2
35
25
FR-F520-22K
M8
7.8
38-8
38-8
38
38
2
2
70
35
FR-F520-30K
M8
7.8
60-8
60-8
60
60
1/0
1/0
95
50
FR-F520-37K
M10
14.7
100-10
100-10
100
100
4/0
4/0
75
70
FR-F520-45K
M10
14.7
100-10
100-10
100
100
4/0
4/0
FR-F520-55K
M12
24.5
150-12
150-12
150
150
MCM300
MCM300
••••
FR-F540-0.75K to 55K
Cables (Note 1)
PVC insulated
Cables (Note 1)
Applicable Inverter
Type
Crimping Terminals
mm
2
AWG
mm
2
Terminal
Screw
Size
Tightening
Torque
N
⋅⋅⋅⋅
m
R, S, T
〈〈〈〈
L
1
, L
2
, L
3
〉〉〉〉
U, V, W
R, S, T
〈〈〈〈
L
1
, L
2
, L
3
〉〉〉〉
U, V, W
R, S, T
〈〈〈〈
L
1
, L
2
, L
3
〉〉〉〉
U, V, W
R, S, T
〈〈〈〈
L
1
, L
2
, L
3
〉〉〉〉
U, V,
W
FR-F540-0.75K to 3.7K
M4
1.5
2-4
〈
2.5-4
〉
2-4
〈
2.5-4
〉
2
2
14
14
2.5
2.5
FR-F540-5.5K
M4
1.5
5.5-4
〈
4-4
〉
2-4
〈
2.5-4
〉
3.5
2
12
14
4
2.5
FR-F540-7.5K
M4
1.5
5.5-4
〈
4-4
〉
5.5-4
〈
4-4
〉
3.5
3.5
12
12
4
4
FR-F540-11K
M4
1.5
5.5-4
〈
4-4
〉
5.5-4
〈
4-4
〉
5.5
5.5
10
10
6
6
FR-F540-15K
M6
4.4
14-6
〈
16-6
〉
8-6
〈
10-6
〉
14
8
6
8
16
10
FR-F540-18.5K
M6
4.4
14-6
〈
16-6
〉
8-6
〈
10-6
〉
14
8
6
8
16
10
FR-F540-22K
M6
4.4
22-6
〈
25-6
〉
14-6
〈
16-6
〉
22
14
4
6
25
16
FR-F540-30K
M6
4.4
22-6
〈
25-6
〉
22-6
〈
25-6
〉
22
22
4
4
25
25
FR-F540-37K
M6
4.4
22-6
〈
25-6
〉
22-6
〈
25-6
〉
22
22
4
4
25
25
FR-F540-45K
M8
7.8
38-8
〈
50-8
〉
38-8
〈
35-8
〉
38
38
2
2
50
35
FR-F540-55K
M8
7.8
60-8
〈
70-8
〉
60-8
〈
50-8
〉
60
60
1/0
1/0
70
50
Note: 1. The cables used should be 75
°
C (167
°
F) copper cables.
2. Tighten the terminal screws to the specified torques.
Undertightening can cause a short or misoperation.
Overtightening can cause the screws and unit to be damaged, resulting in a short or
misoperation.
(4) Connection of the power supply and motor
Ground
Ground
terminal
Power
supply
U
V
W
U
V
W
Motor
No-fuse
breaker
The power supply cables
must be connected to R, S, T
〈
L
1
, L
2
, L
3
〉
.
If they are connected to U, V,
W, the inverter will be damaged.
Phase sequence need not be
matched.
For use with a single-phase
power supply,the power supply
cables must be connected to
R and S
〈
L
1
and L
2
〉
.
Connect the motor to U, V, W.
In the above connection,
turning on the forward rotation
switch (signal) rotates the motor
in the counterclockwise (arrow)
direction when viewed from
the load shaft.
R
〈
L
1
〉
S
〈
L
2
〉
T
〈
L
3
〉
R
〈
L
1
〉
S
〈
L
2
〉
T
〈
L
3
〉
2
2