[ Home > 電気製品の EMC／安全適合性 > 用語 ]
| 動作電圧 (実効値、もしくは直流) | 機能絶縁、基礎絶縁、及び強化絶縁 | ||||||
|---|---|---|---|---|---|---|---|
| 汚染度 1 | 汚染度 2 | 汚染度 3 | |||||
| 材料グループ | 材料グループ | 材料グループ | |||||
| I, II, IIIa, or IIIb | I | II | IIIa, IIIb | I | II | IIIa, IIIb | |
| ＜ 50 | 適切な表の 空間距離を 用いる | 0.6 | 0.9 | 1.2 | 1.5 | 1.7 | 1.9 |
| 100 | 0.7 | 1.0 | 1.4 | 1.8 | 2.0 | 2.2 | |
| 125 | 0.8 | 1.1 | 1.5 | 1.9 | 2.1 | 2.4 | |
| 150 | 0.8 | 1.1 | 1.6 | 2.0 | 2.2 | 2.5 | |
| 200 | 1.0 | 1.4 | 2.0 | 2.5 | 2.8 | 3.2 | |
| 250 | 1.3 | 1.8 | 2.5 | 3.2 | 3.6 | 4.0 | |
| 300 | 1.6 | 2.2 | 3.2 | 4.0 | 4.5 | 5.0 | |
| 400 | 2.0 | 2.8 | 4.0 | 5.0 | 5.6 | 6.3 | |
| 600 | 3.2 | 4.5 | 6.3 | 8.0 | 9.5 | 10.0 | |
| 800 | 4.0 | 5.6 | 8.0 | 10.0 | 11.0 | 12.5 | |
| 1000 | 5.0 | 7.1 | 10.0 | 12.5 | 14.0 | 16.0 | |
単位: mm
by Tom Sato, 2001-08-26