– A-52 –
Panasonic Corporation Electromechanical Control Business Division
industrial.panasonic.com/ac/e/
©
Panasonic Corporation 2018
AQCTB02E 201806-E
– A-53 –
Panasonic Corporation Electromechanical Control Business Division
industrial.panasonic.com/ac/e/
©
Panasonic Corporation 2018
AQCTB02E 201806-E
Motor selection
No. of
phases
Size
Output
(W)
Rotor inertia
Average acceleration torque
Permissible load inertia at motor shaft
J (k
g
·cm
2
) J (oz-in
2
)
(N·m)
(k
g
f·cm) J (k
g
·cm
2
)
GD
2
(k
g
f·cm
2
)
GD
2
(k
g
f·cm
2
)
Motor self-inertia, average acceleration torque and permissible load inertia
• When using single-phase induction motor and brake unit
• When using single-phase variable speed induction motor and electric brake of speed controller
• When using 3-phase induction motor and brake unit
• When using single-phase reversible motor and brake unit
• When using single-phase variable speed reversible motor and electric brake of speed controller
• When using single-phase electromagnetic brake motor
• When using single-phase variable speed reversible motor and electric brake of speed controller
Single-phase Induction
60 mm sq.
(2.36 inch sq.)
3
0.103
0.412 50 Hz
60 Hz
0.0353
0.0333
0.36
0.34
0.125
0.50
6
0.163
0.650 50 Hz
60 Hz
0.0549
0.0529
0.56
0.54
0.125
0.50
42 mm sq.
(1.65 inch sq.)
1
0.027
0.106 50 Hz
60 Hz
0.0127
0.0146
0.13
0.15
0.0125
0.05
3
0.027
0.106 50 Hz
60 Hz
0.0127
0.0146
0.13
0.15
0.0125
0.05
70 mm sq.
(2.76 inch sq.)
10
0.221
0.883 50 Hz
60 Hz
0.0755
0.0745
0.77
0.76
0.125
0.50
15
0.322
1.286 50 Hz
60 Hz
0.0971
0.0951
0.99
0.97
0.125
0.50
80 mm sq.
(3.15 inch sq.)
15
0.438
1.751 50 Hz
60 Hz
0.126
0.118
1.29
1.20
0.138
0.55
25
0.578
2.311 50 Hz
60 Hz
0.199
0.201
2.03
2.05
0.138
0.55
90 mm sq.
(3.54 inch sq.)
40
1.287
5.146 50 Hz
60 Hz
0.319
0.319
3.25
3.25
0.4
1.60
60
1.787
7.147 50 Hz
60 Hz
0.524
0.522
5.35
5.33
0.650
2.60
90
2.211
8.843 50 Hz
60 Hz
0.692
0.691
7.06
7.05
0.650
2.60
3-phase
80 mm sq.
(3.15 inch sq.)
25
0.578
2.311 50 Hz
60 Hz
0.310
0.316
3.16
3.22
0.138
0.55
90 mm sq.
(3.54 inch sq.)
40
1.287
5.146 50 Hz
60 Hz
0.667
0.513
6.81
5.23
0.4
1.60
60
1.787
7.147 50 Hz
60 Hz
1.03
0.767
10.52
7.83
0.650
2.60
90
2.211
0.563
0.891
0.148
0.148
1.208
1.761
2.395
3.160
7.037
9.770
12.089
3.160
7.037
9.770
12.089
8.843 50 Hz
60 Hz
1.46
1.065
(oz-in)
5.00
4.72
7.77
7.49
1.80
2.07
1.80
2.07
10.69
10.55
13.75
13.47
17.84
16.71
28.18
28.46
45.17
45.17
74.20
73.92
98.00
97.85
43.90
44.75
94.46
72.65
145.86
108.62
206.75
150.82
14.88
10.87
0.650
J (oz-in
2
)
0.683
0.683
0.068
0.068
0.683
0.683
0.755
0.755
2.187
3.554
3.554
0.755
2.187
3.554
3.554
2.60
No. of
phases
Size
Output
(W)
Rotor inertia
Average acceleration torque
Permissible load inertia at motor shaft
J (k
g
·cm
2
)
(N·m)
(k
g
f·cm) J (k
g
·cm
2
)
Single-phase Reversible
60 mm sq.
(2.36 inch sq.)
4
0.113
0.452 50 Hz
60 Hz
0.0402
0.0392
0.41
0.40
0.125
0.50
6
0.173
0.691 50 Hz
60 Hz
0.0539
0.0549
0.55
0.56
0.125
0.50
42 mm sq.
(1.65 inch sq.)
1
0.029
0.114 50 Hz
60 Hz
0.0140
0.0153
0.14
0.16
0.0125
0.05
70 mm sq.
(2.76 inch sq.)
10
0.235
0.940 50 Hz
60 Hz
0.0676
0.0657
0.69
0.67
0.125
0.50
15
0.336
1.343 50 Hz
60 Hz
0.105
0.101
1.07
1.03
0.125
0.50
80 mm sq.
(3.15 inch sq.)
20
0.460
1.839 50 Hz
60 Hz
0.146
0.141
1.49
1.44
0.138
0.55
25
0.600
2.399 50 Hz
60 Hz
0.218
0.205
2.22
2.09
0.138
0.55
90 mm sq.
(3.54 inch sq.)
40
1.341
5.363 50 Hz
60 Hz
0.400
0.381
4.08
3.89
0.4
1.60
60
1.841
7.364 50 Hz
60 Hz
0.621
0.600
6.34
6.12
0.650
2.60
90
2.265
J (oz-in
2
)
0.618
0.946
0.159
1.284
1.837
2.515
3.280
7.332
10.066
12.384
9.060 50 Hz
60 Hz
0.796
0.736
8.12
7.51
0.650
2.60
Single-phase Reversible
60 mm sq.
(2.36 inch sq.)
6
0.201
0.805 50 Hz
60 Hz
0.0637
0.0647
0.65
0.66
0.080
0.32
70 mm sq.
(2.76 inch sq.)
15
0.329
1.316 50 Hz
60 Hz
0.120
0.114
1.22
1.16
0.158
0.63
80 mm sq.
(3.15 inch sq.)
25
0.603
2.411 50 Hz
60 Hz
0.235
0.222
2.40
2.27
0.178
0.71
90 mm sq.
(3.54 inch sq.)
40
1.362
5.446 50 Hz
60 Hz
0.439
0.420
4.48
4.29
0.735
2.94
60
1.862
7.447 50 Hz
60 Hz
0.639
0.615
6.52
6.28
0.875
3.50
90
2.353
9.413 50 Hz
60 Hz
0.859
0.804
8.77
8.20
1
4.0
3-phase
80 mm sq.
(3.15 inch sq.)
25
0.603
2.411 50 Hz
60 Hz
0.388
0.306
3.96
3.12
0.178
0.71
90 mm sq.
(3.54 inch sq.)
40
1.362
5.446 50 Hz
60 Hz
0.667
0.513
6.81
5.23
0.735
2.94
60
1.862
7.447 50 Hz
60 Hz
1.031
0.767
10.52
7.83
0.875
3.50
90
2.286
12.499
9.143 50 Hz
60 Hz
1.429
1.065
14.58
10.87
1
4.0
GD
2
(k
g
f·cm
2
)
GD
2
(k
g
f·cm
2
)
No. of
phases
Size
Output
(W)
Rotor inertia
Average acceleration torque
Permissible load inertia at motor shaft
J (k
g
·cm
2
)
1.099
1.799
3.299
7.447
10.180
12.865
3.297
7.447
10.180
J (oz-in
2
)
(N·m)
(oz-in)
5.69
5.55
7.63
7.77
1.98
2.17
9.57
9.30
14.87
14.30
20.68
19.97
30.87
29.03
56.64
53.95
87.94
84.97
112.72
104.23
9.02
9.16
16.99
16.14
33.28
31.44
62.17
59.48
90.49
87.09
121.64
113.86
54.95
43.33
94.46
72.65
146.00
108.62
202.36
150.82
(oz-in)
(k
g
f·cm) J (k
g
·cm
2
)
J (oz-in
2
)
0.683
0.683
0.068
0.683
0.683
0.755
0.755
2.187
3.554
3.554
0.437
0.864
0.973
4.019
4.784
5.468
0.973
4.019
4.784
5.468
J (oz-in
2
)
GD
2
(k
g
f·cm
2
)
GD
2
(k
g
f·cm
2
)
Life of motor brake
Load inertia affects a lot to the life of the brake.
In the case of brake unit and variable speed motor, braking life is 2 million cycles, and in the case of a motor with
electromagnetic brake, life is one million cycles.
Inertia