押庄龙虎

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                第一位特征數字防止固定〓導體異物進入:
                0 無防護
                1 固定異物直徑大ζ 於50mm
                2 固定異ζ物直徑大於12mm
                3 固定異物直徑大於2.5mm
                4 固定異物直徑大於1.0mm
                5 防塵
                6 塵密

                  第二位特征數字防止進水造成有害影響:
                0 無防護
                1 垂直滴水
                2 傾角75-90°滴水
                3 淋水
                4 濺水
                5 噴水
                6 猛烈噴水
                7 短時間侵水
                8 連續侵水

                  舉例: IP 65即◤要求具有塵密及對外殼噴水有防護功能



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