NEMA 防护等级 分类

</script>NEMA 防护等级 分类
NEMA是由美国制造商们组织起来的，是制定电气设备标准化产品技术规格的一个组织机构。
NEMA所制定的标准和测试方法被应用到了UL（担保人试验室）测定、认定电气密封箱的基本方针。
括号里面是指相应的IP等级

NEMA1:      Indoor use primarily to provide a degree of protection against contact with the enclosed equipment and against a limited amount of falling dirt. (IP30)
2:  Indoor use to provide a degree of protection against limited amounts of falling water and dirt. (IP31)
3:  Outdoor use to provide a degree of protection against windblown dust, rain, and sleet; undamaged by the formation of ice on the enclosure. (IP64)
3R:  Outdoor use to provide a degree of protection against falling rain and sleet: undamaged by the formation of ice o the enclosure. (IP32)
3S:  Outdoor use to provide a degree of protection against windblown dust, rain and sleet; external mechanisms remain operable while ice laden.
4:  Indoor or outdoor use to provide a degree of protection against splashing water, windblown dust and rain, hose directed water; undamaged by the formation of ice on the enclosure. (IP66)
4X:  Indoor or outdoor use to provide a degree of protection against splashing water, windblown dust and rain, hose directed water; undamaged by the formation of ice on the enclosure, resists corrosion. (IP66)
6:  Indoor or outdoor use to provide a degree of protection against the entry of water during temporary submersion at a limited depth; undamaged by the formation of ice on the enclosure.
6P:      Indoor and outdoor use to provide a degree of protection against the entry of water during prolonged submersi at a limited depth.
11:  Indoor use to provide by oil immersion a degree of protection of the enclosed equipment against the corrosive effects of corrosive liquids and gases.
12,12K:  Indoor use to provide a degree of protection against dust, falling dirt and dripping noncorrosive liquids. (IP65)
13:  Indoor use to provide a degree of protection against dust and spraying of water, oil and noncorrosive coolants. (IP65)xiu982065 (2007-4-18 09:13:25)顶起来！支持楼主！hua0530 (2007-4-18 11:20:50)en恩，支持同行suyi790618 (2007-4-23 09:19:16)TNKS FOR SHARING.xiu982065 (2007-9-01 10:58:29)太感谢了，我一直在找这个ＮＥＭＡ，谢谢您！:)

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