Mitsubishi Electric FR-A500 Instruction Manual page 28

(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:
FR-A520-0.4K to 55K-NA
•
Terminal Tightening
Applicable Inverter
Screw
Type
Size
FR-A520-0.4K to
M4
2.2K-NA
FR-A520-3.7K-NA M4
FR-A520-5.5K-NA M5
FR-A520-7.5K-NA M5
FR-A520-11K-NA M5
FR-A520-15K-NA M6
FR-A520-18.5K-NA M8
FR-A520-22K-NA M8
FR-A520-30K-NA M8
FR-A520-37K-NA M10
FR-A520-45K-NA M10
FR-A520-55K-NA M12
FR-A540-0.4K to 55K-NA/-EC
•
Terminal Tightening
Applicable Inverter
Screw
Type
Size
FR-A540-0.4K to 3.7K-
M4
NA/-EC
FR-A540-5.5K-NA/-EC M4
FR-A540-7.5K-NA/-EC M4
FR-A540-11K-NA/-EC M6
FR-A540-15K-NA/-EC M6
FR-A540-18.5K-NA/-EC M6
FR-A540-22K-NA/-EC M6
FR-A540-30K-NA/-EC M6
FR-A540-37K-NA/-EC M8
FR-A540-45K-NA/-EC M8
FR-A540-55K-NA/-EC 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
Moulded case
circuit breaker
Crimping Terminals
Torque
N⋅m
R, S, T U, V, W
1.5 2-4 <2.5-4> 2-4 <2.5-4>
1.5 5.5-4 <4-4> 5.5-4 <2.5-4>
2.5 5.5-5 <6-5> 5.5-5 <4-5>
2.5 14-5 <16-5> 8-5 <6-5>
2.5 14-5 <16-5> 14-5 <16-5>
4.4 22-6 <35-6> 22-6 <16-6>
7.8 38-8 <35-8> 38-8 <25-8>
7.8 38-8 <70-8> 38-8 <35-8>
7.8 60-8 <95-8> 60-8 <30-8>
14.7 100-10 <95-10> 100-10 <70-10>
14.7 100-10 100-10 <95-10>
24.5 150-12 150-12 <110-12>
Crimping Terminals
Torque
R, S, T
N⋅m
U, V, W
<L , L , L >
1 2 3
1.5 2-4 <2.5-4> 2-4 <2.5-4>
1.5 5.5-4 <4-4> 2-4 <2.5-4>
1.5 5.5-4 <4-4> 5.5-4 <4-4>
4.4 5.5-6 <6-6> 5.5-6 <6-6>
4.4 14-6 <16-6> 8-6 <10-6>
4.4 14-6 <16-6> 8-6 <10-6>
4.4 22-6 <25-6> 14-6 <16-6>
4.4 22-6 <25-6> 22-6 <25-6>
7.8 38-8 <37-8> 22-8 <25-8>
7.8 38-8 <50-8> 38-8 <37-8>
7.8 60-8 <70-8> 60-8 <50-8>
R S T
Power
<L > <L > <L >
1 2 3
supply
R S T
<L > <L > <L >
1 2 3
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
HIV Cables (Note 1)
2
mm
R, S, T U, V, W
2 2
3.5 3.5
5.5 5.5
14 8
14 14
22 22
38 38
38 38
60 60
100 100
100 100
150 150
HIV Cables (Note 1)
2
mm
R, S, T R, S, T
U, V, W
<L , L , L > <L , L
1 2 3 1
2 2
3.5 2
3.5 3.5
5.5 5.5
14 8
14 8
22 14
22 22
38 22
38 38
60 60
Earth (Ground)
U V W
terminal
U V W
Earth
(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.
19
, L , L > and
1 2 3
PVC insulated
Cables
2
AWG mm
R, S, T U, V, W R, S, T
14 14 2.5
12 12 4
10 10 6
6 8 16
6 6 16
4 4 35
2 2 35
2 2 35
1/0 1/0 50
4/0 4/0 95
4/0 4/0 -
MCM300 MCM300 -
PVC insulated Cables
2
AWG mm
R, S, T
U, V, W U, V, W
, L > <L , L , L >
2 3 1 2 3
14 14 2.5
12 14 4
12 12 4
10 10 6
6 8 16
6 8 16
4 6 25
4 4 25
2 4 35
2 2 50
1/0 1/0 50
Motor
U, V,
W
2.5
2.5
4
6
10
16
25
35
50
70
-
-
2
2.5
2.5
4
6
10
10
16
25
25
35
50