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Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual Page 27

Transistorized inverter, high function & low acoustic noise.
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( 3 ) Cables, crimping terminals, etc.
The following table lists the cables and crimping terminals used with the inputs (R, S, T) 〈L
outputs (U, V, W) of the inverter and the torques for tightening the screws:
Tightening
Terminal
Torque
Applicable Inverter Type
Screw
Kgf ⋅ c m
Size
(N ⋅ m )
FR-A520-0.4K to 2.2K
M4
15 (1)
FR-A520-3.7K
M4
15 (1)
FR-A520-5.5K
M5
26 (2)
FR-A520-7.5K
M5
26 (2)
FR-A520-11K
M5
26 (2)
FR-A520-15K
M6
45 (4)
FR-A520-18.5K
M8
80 (7)
FR-A520-22K
M8
80 (7)
FR-A520-30K
M8
80 (7)
FR-A520-37K
M10
150 (14)
FR-A520-45K
M10
150 (14)
FR-A520-55K
M12
250 (24)
FR-A540-0.4K to 3.7K
M4
15 (1)
FR-540-5.5K
M4
15 (1)
FR-540-7.5K
M4
15 (1)
FR-540-11K
M6
45 (4)
FR-540-15K
M6
45 (4)
FR-540-18.5K
M6
45 (4)
FR-540-22K
M6
45 (4)
FR-540-30K
M6
45 (4)
FR-540-37K
M8
80 (7)
FR-540-45K
M8
80 (7)
FR-540-55K
M8
80 (7)
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
Power
supply
No-fuse
breaker
The power supply cables
must be connected to R, S, T
〈L
, L
, L
1
2
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
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Crimping Terminals
R, S, T
R, S, T
U, V, W
〈L1, L2, L3〉
〈L1, L2, L3〉
2-4 〈2.5-4〉
2-4 〈2.5-4〉
5.5-4 〈4-4〉
5.5-4 〈2.5-4〉
5.5-5 〈6-5〉
5.5-5 〈4-5〉
14-5 〈16-5〉
8-5 〈6-5〉
14-5 〈16-5〉
14-5 〈16-5〉
22-6 〈35-6〉
22-6 〈16-6〉
38-8 〈35-8〉
38-8 〈25-8〉
38-8 〈70-8〉
38-8 〈35-8〉
60-8 〈95-8〉
60-8 〈30-8〉
100-10 〈95-8〉
100-10 〈70-8〉
100-10 〈95-40〉
100-10
150-12 〈110-12〉
150-12
2-4 〈2.5-4〉
2-4 〈2.5-4〉
5.5-4 〈4-4〉
2-4 〈2.5-4〉
5.5-4 〈4-4〉
5.5-4 〈4-4〉
5.5-6 〈6-6〉
5.5-6 〈6-6〉
14-6 〈16-6〉
8-6 〈10-6〉
14-6 〈16-6〉
8-6 〈10-6〉
22-6 〈25-6〉
14-6 〈16-6〉
22-6 〈25-6〉
22-6 〈25-6〉
38-8 〈37-8〉
22-8 〈25-8〉
38-8 〈50-8〉
38-8 〈35-8〉
60-8 〈70-8〉
60-8 〈50-8〉
R
S
T
U
V
〈L
〈L
〈L
1
2
3
Ground
R
S
T
U
terminal
〈L
〈L
〈L
1
2
3
Ground
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.
〉.
and L
1
2
16
INSTALLATION AND WIRING
Cables (Note 1)
mm
AWG
2
R, S, T
U, V, W
U, V, W
〈L1, L2, L3〉
2
2
14
14
3.5
3.5
12
12
5.5
5.5
10
10
14
8
6
8
14
14
6
6
22
22
4
4
38
38
2
2
38
38
2
2
60
60
1/0
1/0
100
100
4/0
4/0
100
100
4/0
4/0
150
150
MCM300
MCM300
2
2
14
14
3.5
2
12
14
3.5
3.5
12
12
5.5
5.5
10
10
14
8
6
8
14
8
6
8
22
14
4
6
22
22
4
4
38
22
2
4
38
38
2
2
60
60
1/0
1/0
W
V
W
Motor
Ground
〉 and
, L
, L
1
2
3
PVC
R, S, T
U, V,
〈L1, L2, L3〉
W
2.5
2.5
4
2.5
6
4
16
6
16
10
35
16
35
25
70
35
95
50
75
70
2.5
2.5
4
2.5
4
4
6
6
16
10
16
10
25
16
25
25
35
25
50
35
70
50

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