|
戻る
線径 |
導体抵抗
Ω/m |
空気中水平直線状態において所用の温度(℃)に保持するに必要な電流値(amp) |
(mm) |
第1種 |
50 |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
550 |
600 |
700 |
800 |
900 |
1,000 |
1,100 |
1,200 |
15.0 |
0.006112 |
59.3 |
108 |
148 |
188 |
220 |
264 |
305 |
345 |
389 |
435 |
483 |
534 |
646 |
767 |
900 |
1,040 |
1,194 |
1,353 |
14.0 |
0.007018 |
53.5 |
97.7 |
134 |
170 |
204 |
239 |
275 |
312 |
352 |
393 |
437 |
483 |
584 |
693 |
813 |
940 |
1,078 |
1,223 |
13.0 |
0.008137 |
48.0 |
84.2 |
120 |
152 |
183 |
214 |
247 |
280 |
315 |
352 |
391 |
433 |
523 |
621 |
728 |
842 |
967 |
1,096 |
12.0 |
0.009548 |
42.5 |
77.7 |
107 |
135 |
162 |
190 |
219 |
248 |
279 |
312 |
347 |
384 |
464 |
551 |
646 |
747 |
857 |
972 |
11.0 |
0.01137 |
37.4 |
68.2 |
93.8 |
119 |
142 |
165 |
192 |
218 |
245 |
274 |
305 |
237 |
408 |
484 |
576 |
656 |
753 |
854 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10.0 |
0.01375 |
32.5 |
59.3 |
81.5 |
103 |
124 |
145 |
167 |
189 |
213 |
238 |
265 |
293 |
354 |
421 |
493 |
570 |
654 |
742 |
9.0 |
0.01697 |
27.3 |
50.7 |
69.6 |
88.1 |
106 |
124 |
143 |
162 |
182 |
203 |
226 |
250 |
303 |
359 |
421 |
487 |
559 |
634 |
8.5 |
0.01903 |
26.0 |
47.5 |
65.4 |
82.4 |
99.6 |
116 |
133 |
150 |
169 |
189 |
210 |
231 |
279 |
330 |
388 |
448 |
513 |
581 |
8.0 |
0.02148 |
23.7 |
43.4 |
59.7 |
75.2 |
90.4 |
105 |
121 |
137 |
154 |
172 |
191 |
203 |
255 |
304 |
354 |
409 |
468 |
531 |
7.5 |
0.02439 |
21.6 |
39.5 |
54.3 |
68.4 |
82.2 |
96.0 |
110 |
125 |
140 |
157 |
174 |
192 |
232 |
275 |
322 |
372 |
426 |
483 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
7.0 |
0.02806 |
19.5 |
35.6 |
49.1 |
61.8 |
74.2 |
86.7 |
99.5 |
113 |
127 |
141 |
157 |
174 |
210 |
248 |
291 |
336 |
385 |
436 |
6.5 |
0.03256 |
17.5 |
31.9 |
43.9 |
55.3 |
65.5 |
77.6 |
89.1 |
101 |
113 |
127 |
141 |
155 |
188 |
222 |
261 |
301 |
344 |
391 |
6.0 |
0.03820 |
15.5 |
28.8 |
39.8 |
49.9 |
59.8 |
70.0 |
80.0 |
90.8 |
101 |
113 |
126 |
139 |
167 |
198 |
232 |
267 |
305 |
346 |
5.5 |
0.04545 |
13.9 |
25.4 |
35.0 |
43.9 |
52.6 |
61.6 |
70.5 |
79.9 |
89.3 |
99.9 |
111 |
122 |
147 |
174 |
204 |
235 |
269 |
304 |
5.0 |
0.05498 |
12.0 |
22.0 |
30.4 |
38.2 |
45.7 |
53.5 |
61.2 |
69.3 |
77.5 |
86.6 |
96.1 |
106 |
128 |
151 |
177 |
204 |
233 |
264 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4.5 |
0.06792 |
10.3 |
18.9 |
26.1 |
32.7 |
39.2 |
45.9 |
52.5 |
59.5 |
66.5 |
74.4 |
82.4 |
91.0 |
110 |
130 |
152 |
175 |
200 |
227 |
4.0 |
0.08592 |
8.96 |
16.5 |
22.8 |
28.5 |
33.9 |
39.7 |
45.3 |
51.1 |
57.0 |
63.5 |
70.3 |
77.5 |
92.5 |
109 |
128 |
147 |
168 |
190 |
3.5 |
0.1123 |
7.38 |
13.6 |
18.8 |
23.5 |
28.0 |
32.7 |
37.3 |
42.1 |
47.0 |
52.3 |
57.8 |
63.8 |
76.3 |
90.2 |
105 |
121 |
138 |
156 |
3.2 |
0.1342 |
6.46 |
11.9 |
16.4 |
20.6 |
24.5 |
28.6 |
32.6 |
36.9 |
41.1 |
45.8 |
50.6 |
55.8 |
66.9 |
78.9 |
92.1 |
106 |
121 |
137 |
2.9 |
0.1635 |
5.61 |
10.3 |
14.3 |
17.8 |
21.2 |
24.8 |
28.3 |
32.0 |
35.7 |
39.7 |
44.0 |
48.5 |
58.1 |
68.5 |
80.0 |
92.0 |
105 |
119 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2.6 |
0.2034 |
5.02 |
9.18 |
12.6 |
15.8 |
18.7 |
21 |
24.9 |
27.9 |
31.1 |
34.5 |
38.2 |
41.9 |
50.0 |
58.9 |
68.3 |
78.5 |
89.4 |
100 |
2.3 |
0.2599 |
4.20 |
7.67 |
10.6 |
13.2 |
15.7 |
18.2 |
20.8 |
23.3 |
26.0 |
28.8 |
31.9 |
35.0 |
41.8 |
49.2 |
57.1 |
65.6 |
74.1 |
84.3 |
2.0 |
0.3438 |
3.43 |
6.27 |
8.63 |
10.8 |
12.9 |
14.9 |
17.0 |
19.1 |
21.3 |
23.6 |
26.0 |
28.7 |
34.1 |
40.2 |
46.7 |
53.6 |
61.1 |
68.9 |
1.8 |
0.4234 |
3.13 |
5.67 |
7.79 |
9.68 |
11.5 |
13.3 |
15.1 |
17.0 |
18.8 |
20.8 |
22.9 |
25.1 |
29.8 |
34.8 |
40.3 |
46.1 |
52.3 |
58.9 |
1.6 |
0.5370 |
2.65 |
4.80 |
6.59 |
8.18 |
9.70 |
11.3 |
12.8 |
14.3 |
15.9 |
17.6 |
19.3 |
21.2 |
25.3 |
29.4 |
34.1 |
39.0 |
44.3 |
49.8 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.5 |
0.6112 |
2.41 |
4.37 |
6.00 |
7.45 |
8.84 |
10.3 |
11.6 |
13.1 |
14.4 |
16.0 |
17.6 |
19.3 |
22.9 |
26.8 |
31.0 |
35.5 |
40.3 |
45.7 |
1.4 |
0.7018 |
2.19 |
3.96 |
5.44 |
6.76 |
8.01 |
9.30 |
10.6 |
11.8 |
13.1 |
14.5 |
16.0 |
17.5 |
20.8 |
24.3 |
28.1 |
32.2 |
36.5 |
41.2 |
1.3 |
0.8139 |
2.06 |
3.77 |
5.13 |
6.38 |
7.53 |
8.69 |
9.87 |
11.0 |
12.1 |
13.4 |
14.7 |
16.1 |
19.0 |
22.0 |
25.4 |
29.0 |
32.8 |
36.8 |
1.2 |
0.9548 |
1.83 |
3.35 |
4.56 |
5.67 |
6.75 |
7.74 |
8.76 |
9.80 |
10.8 |
11.9 |
13.1 |
14.3 |
16.9 |
19.6 |
22.6 |
25.8 |
29.2 |
32.8 |
1.1 |
1.137 |
1.68 |
2.96 |
4.04 |
5.01 |
5.92 |
6.84 |
7.75 |
8.66 |
9.53 |
10.6 |
11.6 |
12.6 |
14.9 |
17.3 |
20.0 |
22.8 |
25.8 |
29.0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.0 |
1.375 |
1.42 |
2.60 |
3.54 |
4.40 |
5.20 |
6.00 |
6.80 |
7.60 |
8.36 |
9.29 |
10.2 |
11.1 |
13.1 |
15.2 |
17.6 |
20.0 |
22.6 |
25.4 |
0.90 |
1.397 |
1.21 |
2.21 |
3.08 |
3.74 |
4.42 |
5.10 |
5.78 |
6.45 |
7.10 |
7.87 |
8.77 |
9.42 |
11.1 |
12.9 |
14.9 |
17.0 |
19.2 |
21.6 |
0.85 |
1.903 |
1.19 |
2.19 |
2.97 |
3.69 |
4.36 |
4.99 |
5.64 |
6.12 |
6.99 |
7.60 |
8.31 |
9.03 |
10.6 |
12.2 |
14.0 |
15.9 |
17.9 |
20.0 |
0.80 |
2.148 |
1.10 |
2.01 |
2.73 |
3.39 |
4.00 |
4.58 |
5.18 |
5.62 |
6.42 |
6.98 |
7.64 |
8.29 |
9.71 |
11.3 |
12.9 |
14.6 |
16.5 |
18.4 |
0.75 |
2.349 |
0.992 |
1.81 |
2.45 |
3.04 |
3.59 |
4.11 |
4.65 |
5.04 |
5.76 |
6.26 |
6.84 |
7.44 |
8.72 |
10.1 |
11.6 |
13.1 |
14.8 |
16.3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.70 |
2.806 |
0.907 |
1.67 |
2.26 |
2.81 |
3.32 |
3.80 |
4.29 |
4.66 |
5.32 |
5.78 |
6.32 |
6.87 |
8.05 |
9.32 |
10.7 |
12.1 |
13.7 |
15.2 |
0.65 |
3.256 |
0.817 |
1.50 |
2.04 |
2.53 |
2.98 |
3.42 |
3.87 |
4.19 |
4.79 |
5.21 |
5.70 |
6.19 |
7.26 |
8.39 |
9.61 |
10.9 |
12.3 |
13.7 |
0.60 |
3.820 |
0.770 |
1.42 |
1.93 |
2.39 |
2.81 |
3.21 |
3.61 |
3.99 |
4.60 |
4.82 |
5.23 |
5.68 |
6.60 |
7.61 |
8.64 |
9.75 |
11.0 |
12.2 |
0.55 |
4.545 |
0.683 |
1.26 |
1.71 |
2.12 |
2.46 |
2.85 |
3.21 |
3.54 |
3.905 |
4.27 |
4.64 |
5.04 |
5.86 |
6.75 |
7.67 |
8.65 |
9.73 |
10.8 |
0.50 |
5.498 |
0.599 |
1.11 |
1.50 |
1.86 |
2.19 |
2.5 |
2.82 |
3.10 |
3.425 |
3.75 |
4.07 |
4.42 |
5.14 |
5.93 |
6.73 |
7.59 |
8.54 |
9.48 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.45 |
6.792 |
0.520 |
0.962 |
1.30 |
1.62 |
1.90 |
2.17 |
2.44 |
2.69 |
3.04 |
3.25 |
3.54 |
3.84 |
4.47 |
5.14 |
5.84 |
6.59 |
7.41 |
8.23 |
0.40 |
8.592 |
0.472 |
0.871 |
1.18 |
1.46 |
1.71 |
1.95 |
2.19 |
2.42 |
2.68 |
2.89 |
3.12 |
3.38 |
3.90 |
4.45 |
5.02 |
5.62 |
6.26 |
6.98 |
0.35 |
11.23 |
0.395 |
0.730 |
0.994 |
1.22 |
1.44 |
1.63 |
1.84 |
2.03 |
2.25 |
2.42 |
2.61 |
2.83 |
3.27 |
3.75 |
4.20 |
4.71 |
5.24 |
5.85 |
0.32 |
13.43 |
0.351 |
0.649 |
0.884 |
1.09 |
1.28 |
1.45 |
1.63 |
1.81 |
2.00 |
2.15 |
2.32 |
2.52 |
2.91 |
3.32 |
3.74 |
4.19 |
4.66 |
5.20 |
0.29 |
16.35 |
0.309 |
0.570 |
0.776 |
0.957 |
1.12 |
1.28 |
1.43 |
1.58 |
1.75 |
1.89 |
2.04 |
2.21 |
2.56 |
2.91 |
3.28 |
3.68 |
4.10 |
4.57 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.26 |
20.34 |
0.287 |
0.526 |
0.714 |
0.877 |
1.03 |
1.17 |
1.30 |
1.44 |
1.57 |
1.70 |
1.84 |
1.98 |
2.27 |
2.56 |
2.37 |
3.19 |
3.53 |
3.89 |
0.23 |
25.99 |
0.246 |
0.450 |
0.611 |
0.751 |
0.879 |
0.999 |
1.12 |
1.23 |
1.34 |
1.46 |
1.57 |
1.69 |
1.94 |
2.19 |
2.46 |
2.72 |
3.02 |
3.33 |
0.20 |
34.38 |
0.204 |
0.373 |
0.506 |
0.621 |
00727 |
0.827 |
0.924 |
1.02 |
1.11 |
2.21 |
1.30 |
1.40 |
1.61 |
1.82 |
2.03 |
2.26 |
2.50 |
2.75 |
0.18 |
42.43 |
0.183 |
0.337 |
0.457 |
0.561 |
0.654 |
0.744 |
0.829 |
0.931 |
1.01 |
1.08 |
1.16 |
1.24 |
1.42 |
1.60 |
1.78 |
1.97 |
2.17 |
2.38 |
0.16 |
53.70 |
0.155 |
0.286 |
0.387 |
0.476 |
0.554 |
0.631 |
0.703 |
0.790 |
0.858 |
0.914 |
0.984 |
1.06 |
1.20 |
1.35 |
1.51 |
1.67 |
1.84 |
2.03 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.15 |
61.12 |
0.144 |
0.265 |
0.359 |
0.442 |
0.514 |
0.586 |
0.652 |
0.733 |
0.796 |
0.848 |
0.913 |
0.978 |
1.12 |
1.26 |
1.40 |
1.55 |
1.71 |
1.87 |
0.14 |
70.18 |
0.131 |
0.241 |
0.327 |
0.402 |
0.468 |
0.533 |
0.593 |
0.667 |
0.725 |
0.771 |
0.830 |
0.890 |
1.02 |
1.14 |
1.27 |
1.44 |
1.55 |
1.70 |
0.13 |
81.37 |
0.123 |
0.226 |
0.307 |
0.377 |
0.439 |
0.499 |
0.555 |
0.609 |
0.661 |
0.716 |
0.770 |
0.724 |
0.934 |
1.05 |
1.15 |
1.28 |
1.40 |
1.53 |
0.12 |
95.48 |
0.110 |
0.195 |
0.276 |
0.339 |
0.394 |
0.448 |
0.499 |
0.547 |
0.594 |
0.644 |
0.692 |
0.740 |
0.839 |
0.940 |
1.04 |
1.15 |
1.26 |
1.38 |
0.11 |
113.7 |
0.0979 |
0.181 |
0.245 |
0.301 |
0.350 |
0.397 |
0.442 |
0.485 |
0.527 |
0.571 |
0.612 |
0.656 |
0.744 |
0.824 |
0.925 |
1.02 |
1.12 |
1.22 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.10 |
137.5 |
0.0850 |
0.156 |
0.212 |
0.261 |
0.304 |
0.345 |
0.384 |
0.421 |
0.458 |
0.496 |
0.533 |
0.570 |
0.647 |
0.725 |
0.804 |
0.886 |
0.970 |
1.06 |
0.09 |
169.7 |
0.0752 |
0.139 |
0.188 |
0.231 |
0.269 |
0.306 |
0.340 |
0.373 |
0.405 |
0.439 |
0.472 |
0.505 |
0.572 |
0.641 |
0.771 |
0.784 |
0.859 |
0.937 |
0.08 |
214.8 |
0.0656 |
0.121 |
0.165 |
0.203 |
0.234 |
0.266 |
0.297 |
0.321 |
0.353 |
0.380 |
0.410 |
0.438 |
0.494 |
0.552 |
0.609 |
0.670 |
0.731 |
0.795 |
0.07 |
280.6 |
0.0548 |
0.101 |
0.138 |
0.170 |
0.193 |
0.223 |
0.248 |
0.271 |
0.301 |
0.319 |
0.342 |
0.366 |
0.413 |
0.461 |
0.509 |
0.560 |
0.611 |
0.664 |
0.06 |
382.0 |
0.0461 |
0.0848 |
0.115 |
0.140 |
0.163 |
0.186 |
0.206 |
0.226 |
0.245 |
0.262 |
0.283 |
0.302 |
0.396 |
0.378 |
0.417 |
0.456 |
0.495 |
0.537 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.05 |
549.8 |
0.0359 |
0.0662 |
0.0897 |
0.109 |
0.127 |
0.145 |
0.161 |
0.176 |
0.191 |
0.205 |
0.221 |
0.236 |
0.263 |
0.295 |
0.325 |
0.356 |
0.387 |
0.419 |
0.04 |
859.2 |
0.0268 |
0.0497 |
0.0671 |
0.0820 |
0.0957 |
0.108 |
0.120 |
0.132 |
0.143 |
0.153 |
0.165 |
0.176 |
0.197 |
0.219 |
0.242 |
0.263 |
0.285 |
0.308 |
0.03 |
1,528 |
0.0182 |
0.0336 |
0.0454 |
0.0555 |
0.0648 |
0.0733 |
0.0813 |
0.0892 |
0.0965 |
0.104 |
0.111 |
0.119 |
0.134 |
0.148 |
0.163 |
0.178 |
0.193 |
0.209 |
0.025 |
2,200 |
0.0146 |
0.0269 |
0.0363 |
0.0444 |
0.0518 |
0.0585 |
0.0647 |
0.0710 |
0.0770 |
0.0826 |
0.0884 |
0.0943 |
0.106 |
0.117 |
0.129 |
0.140 |
0.151 |
0.16 |
|
|
|
備考 ニッケルクロム電熱線第2種の温度に対する電流値はこの表の値より約
4〜5
%少ない電流値で所用の温度に保持できます。
|
|