Mitsubishi Electric FR-A520-0.4K-NA Instruction Manual page 26

( 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:
Terminal
Applicable Inverter Type Screw
Size
FR-A520-0.4K to 2.2K M4
FR-A520-3.7K M4
FR-A520-5.5K M5
FR-A520-7.5K M5
FR-A520-11K M5
FR-A520-15K M6
FR-A520-18.5K M8
FR-A520-22K M8
FR-A520-30K M8
FR-A520-37K M10
FR-A520-45K M10
FR-A520-55K M12
FR-A540-0.4K to 3.7K M4
FR-540-5.5K M4
FR-540-7.5K M4
FR-540-11K M6
FR-540-15K M6
FR-540-18.5K M6
FR-540-22K M6
FR-540-30K M6
FR-540-37K M8
FR-540-45K M8
FR-540-55K M8
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
No-fuse
breaker
Tightening
Crimping Terminals
Torque
Kgf ⋅ c m
R, S, T
(N ⋅ m )
〈L1, L2, L3〉
2-4 〈2.5-4〉
15 (1)
5.5-4 〈4-4〉
15 (1)
5.5-5 〈6-5〉
26 (2)
14-5 〈16-5〉
26 (2)
14-5 〈16-5〉
26 (2)
22-6 〈35-6〉
45 (4)
38-8 〈35-8〉
80 (7)
38-8 〈70-8〉
80 (7)
60-8 〈95-8〉
80 (7)
100-10 〈95-8〉
150 (14)
150 (14) 100-10
250 (24) 150-12
2-4 〈2.5-4〉
15 (1)
5.5-4 〈4-4〉
15 (1)
5.5-4 〈4-4〉
15 (1)
5.5-6 〈6-6〉
45 (4)
14-6 〈16-6〉
45 (4)
14-6 〈16-6〉
45 (4)
22-6 〈25-6〉
45 (4)
22-6 〈25-6〉
45 (4)
38-8 〈37-8〉
80 (7)
38-8 〈50-8〉
80 (7)
60-8 〈70-8〉
80 (7)
R S
〈L 〉 〈L
Power
1 2
supply
Ground
R
terminal
〈L 〉
1
Ground
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 〉.
and L
1 2
INSTALLATION AND WIRING
mm 2
R, S, T
U, V, W
〈L1, L2, L3〉
2-4 〈2.5-4〉
2
5.5-4 〈2.5-4〉
3.5
5.5-5 〈4-5〉
5.5
8-5 〈6-5〉
14
14-5 〈16-5〉
14
22-6 〈16-6〉
22
38-8 〈25-8〉
38
38-8 〈35-8〉
38
60-8 〈30-8〉
60
100-10 〈70-8〉
100
100-10 〈95-40〉
100
150-12 〈110-12〉
150
2-4 〈2.5-4〉
2
2-4 〈2.5-4〉
3.5
5.5-4 〈4-4〉
3.5
5.5-6 〈6-6〉
5.5
8-6 〈10-6〉
14
8-6 〈10-6〉
14
14-6 〈16-6〉
22
22-6 〈25-6〉
22
22-8 〈25-8〉
38
38-8 〈35-8〉
38
60-8 〈50-8〉
60
T
U V W
〉 〈L 〉
3
S T U V W
〈L 〉 〈L 〉
2 3
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.
16
Cables (Note 1)
AWG
R, S, T
U, V, W U, V, W
〈L1, L2, L3〉
2 14 14
3.5 12 12
5.5 10 10
8 6 8
14 6 6
22 4 4
38 2 2
38 2 2
60 1/0 1/0
100 4/0 4/0
100 4/0 4/0
150 MCM300 MCM300
2 14 14
2 12 14
3.5 12 12
5.5 10 10
8 6 8
8 6 8
14 4 6
22 4 4
22 2 4
38 2 2
60 1/0 1/0
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