Brochure

37
5/98
© 1998 Square D All Rights Reserved
Thermal Unit Selection
Tables 102 thru 110
Table 103
Motor Full-Load
Current (Amp)
Thermal Unit
Number
0.57-0.60
0.61-0.66
0.67-0.73
AR 1.05
AR 1.15
AR 1.26
0.74-0.81
0.82-0.90
0.91-1.05
AR 1.39
AR 1.53
AR 1.68
1.06-1.15
1.16-1.25
1.26-1.35
AR 1.85
AR 2.04
AR 2.24
1.36-1.47
1.48-1.58
1.59-1.74
AR 2.46
AR 2.71
AR 2.98
1.75-1.94
1.95-2.20
2.21-2.47
AR 3.28
AR 3.62
AR 3.98
2.48-2.76
2.77-3.07
3.08-3.45
AR 4.37
AR 4.80
AR 5.3
3.46-3.81
3.82-4.20
4.21-4.65
AR 5.8
AR 6.4
AR 7.0
4.66-5.26
5.30-5.84
5.85-6.27
AR 7.7
AR 8.5
AR 9.3
6.28-6.97
6.98-7.59
7.60-7.89
AR 10.2
AR 11.2
AR 12.4
7.90-8.95
8.96-10.3
10.4-11.7
AR 13.6
AR 15.4
AR 17.6
11.8-13.3
13.4-15.2
15.3-17.2
AR 20.5
AR 23
AR 27
17.3-19.7
19.8-22.4
22.5-26.0
AR 30
AR 35
AR 40
Table 105
Motor Full-Load
Current (Amp)
Thermal Unit
Number
27.1-30.0
30.1-33.2
33.3-35.7
E 67
E 69
E 70
35.8-39.4
39.5-43.4
43.5-46.9
E 71
E 72
E 73
47.0-51.5
51.6-57.0
57.1-62.8
E 74
E 76
E 77
62.9-69.1
69.2-75.0
75.1-83.3
E 78
E 79
E 80
Table 104
Motor Full-Load
Current (Amp)
Thermal Unit
Number
4.24-4.62
4.63-5.05
5.06-5.54
AR 8.5
AR 9.3
AR 10.2
5.55-6.13
6.14-6.44
6.45-7.48
AR 11.2
AR 12.4
AR 13.6
7.49-8.55
8.56-9.74
9.75-11.1
AR 15.4
AR 17.6
AR 20.5
11.2-12.7
12.8-14.4
14.5-16.4
AR 23
AR 27
AR 30
16.5-18.9
19.0-21.6
21.7-23.3
AR 35
AR 40
AR 44
32.4-24.9
25.0-26.9
27.0-29.1
AR 47
AR 51
AR 55
29.2-31.3
31.4-33.5
33.6-36.9
AR 60
AR 66
AR 72
37.0-39.1
39.2-40.9
41.0-45.0
AR 79
AR 86
AR 94
Table 102
Motor Full-Load
Current (Amp)
Thermal Unit
Number
146-169
170-185
186-201
AR 1.68
AR 1.85
AR 2.04
202-217
218-236
237-253
AR 2.24
AR 2.46
AR 2.71
254-279
280-311
312-353
AR 2.98
AR 3.28
AR 3.62
354-396
397-442
443-492
AR 3.98
AR 4.37
AR 4.80
493-520 AR 5.3
Table 106
Motor Full-Load
Current (Amp)
Thermal Unit
Number
50-55.9
56-60.9
61-65.9
E 88
E 89
E 91
66-69.9
70-75.9
76-81.9
E 92
E 93
E 94
82-86.9
87-92.9
93-97.9
E 96
E 97
E 98
98-107.9
108-113.9
114-125.9
E 99
E 101
E 102
Table 107
Motor Full-Load
Current (Amp)
Thermal Unit
Number
105-116
117-132
133-148
AR 3.28
AR 3.62
AR 3.98
149-165
166-184
185-207
AR 4.37
AR 4.80
AR 5.3
208-229
230-266
AR 5.8
AR 6.4
Table 108
Motor Full-Load
Current (Amp)
Thermal Unit
Number
146-169
170-185
186-201
AR 1.68
AR 1.85
AR 2.04
202-217
218-236
237-253
AR 2.24
AR 2.46
AR 2.71
254-279
280-311
312-353
AR 2.98
AR 3.28
AR 3.62
354-396
397-442
443-492
AR 3.98
AR 4.37
AR 4.80
493-520 AR 5.3
Table 109
Motor Full-Load
Current (Amp)
Thermal Unit
Number
0.56-0.63
0.64-0.68
0.69-0.77
0.78-0.85
B 0.81
B 0.92
B 1.03
B 1.16
0.86-0.97
0.98-1.09
1.10-1.21
1.22-1.33
1.34-1.53
B 1.30
B 1.45
B 1.67
B 1.88
B 2.10
1.54-1.73
1.74-1.89
1.90-2.17
2.18-2.53
B 2.40
B 2.65
B 3.00
B 3.30
2.54-2.87
2.88-3.22
3.23-3.49
3.50-3.85
B 3.70
B 4.15
B 4.85
B 5.50
3.86-4.11
4.12-4.70
4.71-5.21
5.22-5.53
B 6.25
B 6.90
B 7.70
B 8.20
5.54-6.17
6.18-7.02
7.03-7.92
7.93-8.61
B 9.10
B 10.2
B 11.5
B 12.8
8.62-9.17
9.18-10.0
10.1-11.0
11.1-11.8
B 14
B 15.5
B 17.5
B 19.5
11.9-13.5
13.6-15.3
15.4-17.4
17.5-19.4
B 22
B 25
B 28
B 32
19.5-22.2
22.3-25.1
25.2-27.0
B 36
B 40
B 45
Table 110
Motor Full-Load
Current (Amp)
Thermal Unit
Number
3.94-4.45
4.46-4.97
4.98-5.28
5.29-5.97
B 6.90
B 7.70
B 8.20
B 9.10
5.98-6.89
6.90-7.92
7.93-8.71
8.72-9.27
B 10.2
B 11.5
B 12.8
B 14.0
9.28-10.2
10.3-11.4
11.5-12.3
12.4-13.9
B 15.5
B 17.5
B 19.5
B 22
14.0-15.8
15.9-17.9
18.0-19.1
20.0-22.8
B 25
B 28
B 32
B 36
22.9-25.4
25.5-28.9
29.0-30.8
30.9-32.5
B 40
B 45
B 50
B 56
32.6-34.9
35.0-39.7
39.8-44.7
B 62
B 70
B 79