Brochure

© 1998 Square D All Rights Reserved
30
5/98
Thermal Unit Selection
Tables 42 thru 52
Table 52
Motor
Full-Load
Current (Amp)
Thermal
Unit
Number
92.0-103.
104.-116.
117.-139.
140.-150.
151.-167.
AF 123
AF 135
AF 150
AF 159
AF 168
168.-177.
178.-205.
206.-222.
223.-232.
233.-247.
AF 188
AF 205
AF 220
AF 240
AF 260
248.-266. AF 308
Table 47
Motor
Full-Load
Current (Amp)
Thermal
Unit
Number
146.-169.
170.-185.
186.-201.
202.-217.
218.-236.
AR 1.68
AR 1.85
AR 2.04
AR 2.24
AR 2.46
237.-253.
254.-279.
280.-311.
312.-353.
354.-396.
AR 2.71
AR 2.98
AR 3.28
AR 3.62
AR 3.98
397.-442.
443.-492.
493.-520.
AR 4.37
AR 4.80
AR 5.3
Table 51
Motor
Full-Load
Current (Amp)
Thermal
Unit
Number
15.7-17.7
17.8-19.9
20.0-22.7
22.8-25.7
25.8-29.1
AU 20
AU 23
AU 26
AU 29
AU 33
29.2-30.8
30.9-34.3
34.4-38.3
38.4-42.3
42.4-47.5
AU 38
AU 40
AU 44
AU 50
AU 56
47.6-53.0
53.1-60.5
60.6-64.9
65.0-71.5
71.6-77.3
AU 64
AU 72
AU 81
AU 88
AU 99
77.4-86.0 AU 110
Table 50
Motor
Full-Load
Current (Amp)
Thermal
Unit
Number
14.4-16.1
16.2-18.6
18.7-20.5
20.6-23.4
23.5-26.9
AU 20
AU 23
AU 26
AU 29
AU 33
27.0-28.3
28.4-30.8
30.9-35.0
35.1-38.8
38.9-44.3
AU 38
AU 40
AU 44
AU 50
AU 56
44.4-49.3
49.4-55.5
55.6-61.0
61.1-68.6
AU 64
AU 72
AU 81
AU 88
68.7-76.3
76.4-86.0
AU 99
AU 110
Table 48
Motor
Full-Load
Current (Amp)
Thermal
Unit
Number
158.-187.
188.-206.
207.-224.
225.-244.
245.-267.
AR 1.68
AR 1.85
AR 2.04
AR 2.24
AR 2.46
268.-289.
290.-324.
325.-361.
362.-406.
407.-445.
AR 2.71
AR 2.98
AR 3.28
AR 3.62
AR 3.98
446.-463.
464.-520.
AR 4.37
AR 4.80
Table 45
Size 7 Size 8
Thermal
Unit
Number
Type J Type K
Current Transformer
Ratio
1200/5 2000/5
Motor Full-
Load Current
Non-Compensated
136.-150.
151.-165.
166.-183.
184.-202.
203.-224.
227.-251.
252.-276.
277.-305.
306.-337.
338.-373.
AR 1.05
AR 1.15
AR 1.26
AR 1.39
AR 1.53
225.-267.
268.-293.
294.-319.
320.-349.
350.-381.
374.-445.
446.-489.
490.-532.
533.-582.
583.-636.
AR 1.68
AR 1.85
AR 2.04
AR 2.24
AR 2.46
382.-418.
419.-459.
460.-509.
510.-565.
566.-604.
637.-697.
698.-766.
767.-849.
850.-942.
943.-1007.
AR 2.71
AR 2.98
AR 3.28
AR 3.62
AR 3.98
605.-697.
698.-753.
1008.-1133.
..........
AR 4.37
AR 4.80
Compensated
161.-177.
178.-196.
197.-217.
218.-253.
254.-277.
268.-295.
296.-327.
328.-363.
364.-423.
424.-463.
AR 1.26
AR 1.39
AR 1.53
AR 1.68
AR 1.85
278.-301.
302.-325.
326.-354.
355.-381.
382.-419.
464.-503.
504.-543.
544.-592.
592.-635.
636.-699.
AR 2.04
AR 2.24
AR 2.46
AR 2.71
AR 2.98
420.-467.
468.-529.
530.-594.
595.-664.
665.-738.
700.-779.
780.-883.
884.-991.
992.-1107.
1108.-1231.
AR 3.28
AR 3.62
AR 3.98
AR 4.37
AR 4.80
739.-829. .......... AR 5.3
Table 44
Motor
Full-Load
Current (Amp)
Thermal
Unit
Number
0.34-0.38
0.39-0.43
0.44-0.48
0.49-0.53
0.54-0.62
B 0.44
B 0.51
B 0.57
B 0.65
B 0.71
0.63-0.69
0.70-0.78
0.79-0.88
0.89-0.99
1.00-1.10
B 0.81
B 0.92
B 1.03
B 1.16
B 1.30
1.11-1.26
1.27-1.43
1.44-1.59
1.60-1.81
1.82-2.00
B 1.45
B 1.67
B 1.88
B 2.10
B 2.40
2.01-2.28
2.29-2.52
2.53-2.87
2.88-3.28
3.29-3.75
B 2.65
B 3.00
B 3.30
B 3.70
B 4.15
3.76-4.27
4.28-4.77
4.78-5.27
5.28-5.91
5.92-6.25
B 4.85
B 5.50
B 6.25
B 6.90
B 7.70
6.26-6.83
6.84-7.65
7.66-8.55
8.56-9.56
9.57-10.3
B 8.20
B 9.10
B 10.2
B 11.5
B 12.8
10.4-11.3
11.4-12.4
12.5-14.1
14.2-15.7
15.8-17.9
B 14
B 15.5
B 17.5
B 19.5
B 22
18.0-20.1
20.2-22.5
22.6-25.0
B 25
B 28.0
B 32
Table 43
Motor
Full-Load
Current (Amp.)
Thermal
Unit
Number
0.41-0.44
0.45-0.49
0.50-0.53
0.54-0.58
0.59-0.65
A .49
A .54
A .59
A .65
A .71
0.66-0.71
0.72-0.78
0.79-0.85
0.86-0.96
0.97-1.04
A .78
A .86
A .95
A 1.02
A 1.16
1.05-1.16
1.17-1.29
1.30-1.37
1.38-1.47
1.48-1.56
A 1.25
A 1.39
A 1.54
A 1.63
A 1.75
1.57-1.65
1.66-1.79
1.80-1.95
1.96-2.15
2.16-2.38
A 1.86
A 1.99
A 2.15
A 2.31
A 2.57
2.39-2.75
2.76-2.84
2.85-3.06
3.07-3.45
3.46-3.70
A 2.81
A 3.61
A 3.95
A 4.32
A 4.79
3.71-4.07
4.08-4.32
4.33-4.90
4.91-5.35
5.36-5.85
A 5.30
A 5.78
A 6.20
A 6.99
A 7.65
5.86-6.41
6.42-6.79
6.80-7.57
7.58-8.15
8.16-8.98
A 8.38
A 9.25
A 9.85
A 11.0
A 11.9
8.99-9.67
9.68-9.95
9.96-10.8
10.9-12.1
12.2-13.1
A 13.2
A 14.1
A 14.8
A 16.2
A 17.9
13.2-13.9
14.0-15.0
15.1-16.0
A 19.8
A 21.3
A 25.2
Table 42
Motor
Full-Load
Current (Amp)
Thermal
Unit
Number
0.28-0.30
0.31-0.33
0.34-0.36
0.37-0.39
0.40-0.42
AR .45
AR .49
AR .54
AR .59
AR .65
0.43-0.46
0.47-0.50
0.51-0.52
0.53-0.56
0.57-0.60
AR .71
AR .78
AR .86
AR .95
AR 1.05
0.61-0.66
0.67-0.73
0.74-0.81
0.82-0.90
0.91-1.05
AR 1.15
AR 1.26
AR 1.39
AR 1.53
AR 1.68
1.06-1.15
1.16-1.25
1.26-1.35
1.36-1.47
1.48-1.58
AR 1.85
AR 2.04
AR 2.24
AR 2.46
AR 2.71
1.59-1.74
1.75-1.94
1.95-2.20
2.21-2.47
2.48-2.76
AR 2.98
AR 3.28
AR 3.62
AR 3.98
AR 4.37
2.77-3.07
3.08-3.45
3.46-3.81
3.82-4.20
4.21-4.65
AR 4.80
AR 5.3
AR 5.8
AR 6.4
AR 7.0
4.66-5.29
5.30-5.84
5.85-6.27
6.28-6.97
6.98-7.59
AR 7.7
AR 8.5
AR 9.3
AR 10.2
AR 11.2
7.60-7.89
7.90-8.95
8.96-10.3
10.4-11.7
11.8-13.3
AR 12.4
AR 13.6
AR 15.4
AR 17.6
AR 20.5
13.4-15.2
15.3-17.2
17.3-19.7
19.8-22.4
22.5-26.0
AR 23
AR 27
AR 30
AR 35
AR 40
Table 46
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 49
Motor
Full-Load
Current (Amp)
Thermal
Unit
Number
82.5-88.2
88.3-95.9
96.0-102.
103.-109.
110.-121.
DD 112
DD 121
DD 128
DD 140
DD 150
122.-139.
140.-154.
155.-163.
164.-175.
176.-184.
DD 160
DD 185
DD 220
DD 240
DD 250
185.-195.
196.-215.
216.-224.
225.-243.
244.-266.
DD 265
DD 280
DD 300
DD 320
DD 340