Fieira métrica AWG
Area
I max
Area I max Gauge Diam Area I max
A A AWG mm A
1 12.4 240 381.7 22 0.65 0.511 8.2
1.5 16.0 300 435.3 20 0.8 0.628 9.3
2.5 22.0 400 514.7 18 1 0.785 10.7
0.0175 4 29.5 500 585.2 16 1.3 1.021 12.6
0.0267 6 38.2 14 1.6 1.257 14.3
10 52.9 12 2 1.571 16.4
16 71.4 10 2.588 2.033 19.3
41 ºC 25 94.8 8 3.264 2.564 22.3
30 ºC 35 117.2 6 4.115 3.232 25.8
Cond = cu --- 50 146.6 4 5.189 4.075 29.9
2.5 70 180.8 2 6.544 5.140 34.6
19.9 ºC 95 218.2 0 8.26 6.487 40.2
0.017500 120 251.7 00 9.27 7.281 43.2
0.020720 150 288.2 000 10.4 8.168 46.5
I max = 22.0 A 185 326.9 0000 11.7 9.189 50.1
mm2mm2mm2
rDt = r 25.(1+0,004.(Dtdes+tmax Loc-25))
r 25 Cu =
r 25 Al =
D tmax = 70/1,15 - tmax Loc
tmax Loc =
D tdes =
Sc = mm2
D tmax =
r 25 = W . mm2 / m
r t = W . mm2 / m
0,9208
2,907.
1, 418
. (1, 07 )
c
máx
t
c
S
I
Ln
S
r
=
