Brochure

© 1998 Square D All Rights Reserved
32
5/98
Thermal Unit Selection
Tables 64 thru 71
Table 67
Motor Full-Load
Current (Amp)
Thermal Unit
Number
3.79-4.14
4.15-4.44
4.45-5.22
5.23-5.29
5.30-5.99
B 5.50
B 6.25
B 6.90
B 7.70
B 8.20
6.00-6.82
6.83-7.68
7.69-7.92
7.93-8.47
8.48-9.99
B 9.10
B 10.2
B 11.5
B 12.8
B 14
10.0-10.8
10.9-12.3
12.4-12.9
13.0-15.1
15.2-16.7
B 15.5
B 17.5
B 19.5
B 22
B 25
16.8-17.9
18.0-20.1
20.2-23.8
23.9-25.8
25.9-28.3
B 28.0
B 32
B 36
B 40
B 45
28.4-29.6
29.7-32.1
32.2-34.4
34.5-38.3
38.4-39.9
B 50
B 56
B 62
B 70
B 79
40.0-45.0 B 88
Table 66
Motor Full-Load
Current (Amp)
Thermal Unit
Number
0.31-0.32
0.33-0.36
0.37-0.41
0.42-0.49
0.50-0.54
B 0.44
B 0.51
B 0.57
B 0.63
B 0.71
0.55-0.61
0.62-0.67
0.68-0.76
0.77-0.87
0.88-0.98
B 0.81
B 0.92
B 1.03
B 1.16
B 1.30
0.99-1.05
1.06-1.25
1.26-1.33
1.34-1.56
1.57-1.71
B 1.45
B 1.67
B 1.88
B 2.10
B 2.40
1.72-1.97
1.98-2.15
2.16-2.42
2.43-2.78
2.79-3.28
B 2.65
B 3.00
B 3.30
B 3.70
B 4.15
3.29-3.88
3.89-4.13
4.14-4.43
4.44-4.96
4.97-5.35
B 4.85
B 5.5
B 6.25
B 6.90
B 7.70
5.36-5.91
5.92-6.79
6.80-7.56
7.57-7.83
7.84-8.09
B 8.20
B 9.10
B 10.2
B 11.5
B 12.8
8.10-9.51
9.52-10.1
10.2-11.3
11.4-13.1
13.2-14.9
B 14
B 15.5
B 17.5
B 19.5
B 22
15.0-16.1
16.2-17.8
17.9-19.1
19.2-22.4
22.5-23.5
B 25
B 28.0
B 32
B 36
B 40
23.6-26.0 B 45
Table 65
Motor Full-Load
Current (Amp)
Thermal Unit
Number
0.31-0.35
0.36-0.39
0.40-0.44
0.45-0.50
0.51-0.58
B 0.44
B 0.51
B 0.57
B 0.63
B 0.71
0.59-0.65
0.66-0.73
0.74-0.82
0.83-0.92
0.93-1.03
B 0.81
B 0.92
B 1.03
B 1.16
B 1.30
1.04-1.19
1.20-1.34
1.35-1.50
1.51-1.67
1.68-1.89
B 1.45
B 1.67
B 1.88
B 2.10
B 2.40
1.90-2.14
2.15-2.36
2.37-2.65
2.66-2.97
2.98-3.47
B 2.65
B 3.00
B 3.30
B 3.70
B 4.15
3.48-3.94
3.95-4.44
4.45-4.94
4.95-5.52
5.53-5.88
B 4.85
B 5.50
B 6.25
B 6.90
B 7.70
5.89-6.52
6.53-7.31
7.32-8.21
8.22-9.18
9.19-9.90
B 8.20
B 9.10
B 10.2
B 11.5
B 12.8
10.0-11.0
11.1-12.4
12.5-13.9
14.0-15.7
15.8-17.8
B 14
B 15.5
B 17.5
B 19.5
B 22
17.9-20.0
20.1-22.9
23.0-25.0
B 25
B 28.0
B 32
Following Selections
for Size 2 Only.
23.0-25.7
25.8-28.6
28.7-32.2
32.3-35.8
35.9-40.1
B 32
B 36
B 40
B 45
B 50
40.2-44.4
44.5-50.0
B 56
B 62
Table 64
Motor
Full-Load Current (Amp.)
Thermal
Unit
Number
2 T. U.
1 PH
2 T. U.
2 PH
3 T. U.
0.38-0.40
0.41-0.43
0.44-0.48
0.49-0.52
0.53-0.56
0.38-0.40
0.41-0.43
0.44-0.48
0.49-0.52
0.53-0.56
0.31-0.33
0.34-0.36
0.37-0.39
0.40-0.43
0.44-0.47
AR .45
AR .49
AR .54
AR .59
AR .65
0.57-0.61
0.62-0.67
0.68-0.73
0.74-0.81
0.82-0.89
0.57-0.61
0.62-0.67
0.68-0.73
0.74-0.81
0.82-0.89
0.48-0.51
0.52-0.56
0.57-0.58
0.59-0.64
0.65-0.70
AR .71
AR .78
AR .86
AR .95
AR 1.05
0.90-0.97
0.98-1.07
1.08-1.17
1.18-1.31
1.32-1.49
0.90-0.97
0.98-1.07
1.08-1.17
1.18-1.31
1.32-1.49
0.71-0.77
0.78-0.85
0.86-0.94
0.95-1.03
1.04-1.22
AR 1.15
AR 1.26
AR 1.39
AR 1.53
AR 1.68
1.50-1.69
1.70-1.83
1.84-2.00
2.01-2.17
2.18-2.35
1.50-1.69
1.70-1.83
1.84-2.00
2.01-2.17
2.18-2.35
1.23-1.34
1.35-1.46
1.47-1.58
1.59-1.76
1.77-1.85
AR 1.85
AR 2.04
AR 2.24
AR 2.46
AR 2.71
2.36-2.60
2.61-2.87
2.88-3.14
3.15-3.47
3.48-3.90
2.36-2.60
2.61-2.87
2.88-3.14
3.15-3.47
3.48-3.90
1.86-2.08
2.09-2.27
2.28-2.51
2.52-2.90
2.91-3.23
AR 2.98
AR 3.28
AR 3.62
AR 3.98
AR 4.37
3.91-4.36
4.37-4.88
4.89-5.37
5.38-5.97
5.98-6.55
3.91-4.36
4.37-4.88
4.89-5.37
5.38-5.97
5.98-6.55
3.24-3.58
3.59-4.02
4.03-4.43
4.44-4.86
4.87-5.37
AR 4.80
AR 5.3
AR 5.8
AR 6.4
AR 7.0
6.56-7.50
7.51-8.23
8.24-8.99
9.00-9.86
9.87-10.7
6.56-7.50
7.51-8.23
8.24-8.99
9.00-9.86
9.87-10.7
5.38-6.12
6.13-6.65
6.66-7.31
7.32-7.96
7.97-8.69
AR 7.7
AR 8.5
AR 9.3
AR 10.2
AR 11.2
10.8-11.2
11.3-12.8
12.9-14.8
14.9-16.7
16.8-18.0
10.8-11.2
11.3-12.0
....
....
....
8.70-8.99
9.00-10.1
10.2-11.5
11.6-12.0
....
AR 12.4
AR 13.6
AR 15.4
AR 17.6
AR 20.5
Following Selections for Size 1 Only.
....
....
....
16.8-19.0
19.1-22.0
11.3-12.8
12.9-14.8
14.9-16.7
16.8-19.0
19.1-22.0
....
....
11.6-13.0
13.1-14.6
14.7-16.5
AR 13.6
AR 15.4
AR 17.6
AR 20.5
AR 23
22.1-24.9
25.0-26.0
....
....
22.1-24.9
25.0-26.0
....
....
16.6-18.5
18.6-21.0
21.1-23.6
23.7-26.0
AR 27
AR 30
AR 35
AR 40
Table 69
Motor Full-Load
Current (Amp)
Thermal
Unit
Number
1 or 2 T. U. 3 T. U.
3.46-3.90
3.91-4.44
4.45-4.91
4.92-5.51
5.52-5.84
3.38-3.65
3.66-4.07
4.08-4.36
4.37-5.19
5.20-5.59
B 4.85
B 5.50
B 6.25
B 6.90
B 7.70
5.85-6.54
6.55-7.33
7.34-8.31
8.32-9.22
9.23-10.0
5.60-5.98
5.99-6.78
6.79-7.91
7.92-9.12
9.13-10.0
B 8.20
B 9.10
B 10.2
B 11.5
B 12.8
10.1-11.2
11.3-12.5
12.6-14.2
14.3-16.1
16.2-18.4
10.1-10.7
10.8-12.0
12.1-13.5
13.6-14.6
14.7-16.7
B 14
B 15.5
B 17.5
B 19.5
B 22
18.5-20.5
20.6-23.2
23.3-26.6
26.7-29.6
29.7-33.5
16.8-18.9
19.0-21.6
21.7-24.1
24.2-27.6
27.7-31.2
B 25
B 28.0
B 32
B 36
B 40
33.6-37.2
37.3-41.5
41.6-45.0
....
31.3-35.5
35.6-37.8
37.9-41.5
41.6-45.0
B 45
B 50
B 56
B 62
Table 71
Motor Full-Load
Current (Amp)
Thermal Unit
Number
3.98-4.53
4.54-5.03
5.04-5.46
5.47-6.01
6.02-6.31
AR 8.5
AR 9.3
AR 10.2
AR 11.2
AR 12.4
6.32-7.19
7.20-8.29
8.30-9.49
9.50-11.0
11.1-12.6
AR 13.6
AR 15.4
AR 17.6
AR 20.5
AR 23
12.7-14.3
14.4-16.5
16.6-19.2
19.3-21.9
22.0-23.8
AR 27
AR 30
AR 35
AR 40
AR 44
23.9-25.5
25.6-27.7
27.8-30.1
30.2-32.5
32.6-34.8
AR 47
AR 51
AR 55
AR 60
AR 66
34.9-38.5
38.6-41.5
41.6-45.0
AR 72
AR 79
AR 86
Table 70
Motor Full-Load
Current (Amp)
Thermal Unit
Number
4.24-4.62
4.63-5.05
5.06-5.54
5.55-6.13
6.14-6.44
AR 8.5
AR 9.3
AR 10.2
AR 11.2
AR 12.4
6.45-7.48
7.49-8.55
8.56-9.74
9.75-11.1
11.2-12.7
AR 13.6
AR 15.4
AR 17.6
AR 20.5
AR 23
12.8-14.4
14.5-16.4
16.5-18.9
19.0-21.6
21.7-23.3
AR 27
AR 30
AR 35
AR 40
AR 44
23.4-24.9
25.0-26.9
27.0-29.1
29.2-31.3
31.4-33.5
AR 47
AR 51
AR 55
AR 60
AR 66
33.6-36.9
37.0-39.1
39.2-40.9
41.0-45.0
AR 72
AR 79
AR 86
AR 94
Table 68
Motor Full-Load
Current (Amp)
Thermal Unit
Number
14.9-16.1
16.2-17.3
17.4-19.5
19.6-20.7
20.8-22.4
CC 20.9
CC 22.8
CC 24.6
CC 26.3
CC 28.8
22.5-23.9
24.0-25.8
25.9-27.6
27.7-29.7
29.8-31.8
CC 31.0
CC 33.3
CC 36.4
CC 39.6
CC 42.7
31.9-34.2
34.3-37.0
37.1-39.6
39.7-42.5
42.6-45.0
CC 46.6
CC 50.1
CC 54.5
CC 59.4
CC 64.3
45.1-48.6
48.7-51.2
51.3-56.0
56.1-60.1
60.2-64.3
CC 68.5
CC 74.6
CC 81.5
CC 87.7
CC 94.0
64.4-68.9
69.0-71.9
72.0-75.4
75.5-78.9
79.0-82.1
CC 103
CC 112
CC 121
CC 132
CC 143
82.2-86.0 CC 156