Fuji Electric FRENIC-Ace series - Appendix F Allowable Current of Insulated Wires

Appendix F Allowable Current of Insulated Wires
Appendix-24
Appendix F Allowable Current of Insulated Wires
The tables below list the allowable current of IV wires, HIV wires, and 600 V cross-linked polyethylene insulated
wires.
■ IV wire (Maximum allowable temperature: 60
°
C (140
°
F))
Table F-1 (a) Allowable Current of Insulated Wires
Allowable current Wiring in free air
Wiring in wire duct
(up to three wires in the same duct)
Wire size
Reference value
35 °C
40 °C
45 °C
50 °C
55 °C
35 °C
40 °C
45 °C
50 °C
(mm
2
)
(30°C or less)
(Io×0.91)
(Io×0.82)
(Io×0.71)
(Io×0.58)
(Io×0.40)
(Io×0.63)
(Io×0.57)
(Io×0.49)
(Io×0.40)
Io (A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
2.0
27
24
22
19
15
11
17
15
13
10
3.5
37
33
30
26
21
15
23
21
18
14
5.5
49
44
40
34
28
20
30
27
24
19
8.0
61
55
50
43
35
25
38
34
29
24
14
88
80
72
62
51
36
55
50
43
35
22
115
104
94
81
66
47
72
65
56
46
38
162
147
132
115
93
66
102
92
79
64
60
217
197
177
154
125
88
136
123
106
86
100
298
271
244
211
172
122
187
169
146
119
150
395
359
323
280
229
161
248
225
193
158
200
469
426
384
332
272
192
295
267
229
187
250
556
505
455
394
322
227
350
316
272
222
325
650
591
533
461
377
266
409
370
318
260
400
745
677
610
528
432
305
469
424
365
298
500
842
766
690
597
488
345
530
479
412
336
2 × 100
497
452
407
352
288
203
313
283
243
198
2 × 150
658
598
539
467
381
269
414
375
322
263
2 × 200
782
711
641
555
453
320
492
445
383
312
2 × 250
927
843
760
658
537
380
584
528
454
370
2 × 325
1083
985
888
768
628
444
682
617
530
433
2 × 400
1242
1130
1018
881
720
509
782
707
608
496
2 × 500
1403
1276
1150
996
813
575
883
799
687
561
■ HIV wire (Maximum allowable temperature: 75
°
C (167
°
F))
Table F-1 (b) Allowable Current of Insulated Wires
Allowable current Wiring in free air
Wiring in wire duct
(up to three wires in the same duct)
Wire size
Reference value
35 °C
40 °C
45 °C
50 °C
55 °C
35 °C
40 °C
45 °C
50 °C
(mm
2
)
(30°C or less)
(Io×0.91)
(Io×0.82)
(Io×0.71)
(Io×0.58)
(Io×0.40)
(Io×0.63)
(Io×0.57)
(Io×0.49)
(Io×0.40)
Io (A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
2.0
32
31
29
27
24
22
21
20
18
17
3.5
45
42
39
37
33
30
29
27
25
23
5.5
59
56
52
49
44
40
39
36
34
30
8.0
74
70
65
61
55
50
48
45
42
38
14
107
101
95
88
80
72
70
66
61
55
22
140
132
124
115
104
94
92
86
80
72
38
197
186
174
162
147
132
129
121
113
102
60
264
249
234
217
197
177
173
162
151
136
100
363
342
321
298
271
244
238
223
208
187
150
481
454
426
395
359
323
316
296
276
248
200
572
539
506
469
426
384
375
351
328
295
250
678
639
600
556
505
455
444
417
389
350
325
793
747
702
650
591
533
520
487
455
409
400
908
856
804
745
677
610
596
558
521
469
500
1027
968
909
842
766
690
673
631
589
530
2 × 100
606
571
536
497
452
407
397
372
347
313
2 × 150
802
756
710
658
598
539
526
493
460
414
2 × 200
954
899
844
782
711
641
625
586
547
492
2 × 250
1130
1066
1001
927
843
760
741
695
648
584
2 × 325
1321
1245
1169
1083
985
888
866
812
758
682
2 × 400
1515
1428
1341
1242
1130
1018
993
931
869
782
2 × 500
1711
1613
1515
1403
1276
1150
1122
1052
982
883