12&12k 52 13 54 NEMA认证对应的标准是NEMA 250,分不同的等级。但其实一般美国业主不要求NEMA认证,因为即使通过认证后,标签上也无法打上NEMA 等级,一般美国业主要求的是 UL 50E中的Type等级。Type等级=NEMA等级。 具体测试项:1. 防尘测试(Dust test)2、防水测试 (Atomized-water test) 3、防腐蚀(Indoor corro...
As an option, NEMA Type 12 enclosures can come with knockouts, which then makes the classification NEMA 12K. The knockouts will be unlike the knockouts provided in NEMA Type 1 enclosures in that they will come with a means to prevent the intrusion of dust and other foreign material with the...
Type Number 1 2 3 3R 3S 4and 4x 5 6and 6p 12and 12k 13 IP Designation IP10 IP11 IP54 IP14 IP54 IP56 IP52 IP67 IP52 IP54 何为NEM等级,如何与IP等级加以对照 NEMA与IP为广泛公认的两种等级体系。NEM为美国国家电器制造 商协会的首字母缩写,在美国它通常用于设备的等级。IP为国际保 护的缩写,...
12 and 12K IP54 13 IP54 While both IP and NEMA define resistance to ingress of solids and fluids, the standards are not identical: NEMA enclosure classifications involve additional testing not included in IP. For this reason, IP ratings cannot be “converted” to NEMA ratings. However, there ...
What is the NEMA Enclosure Rating? TheNational Electrical Manufacturers Association (NEMA)defines standards used inNorth Americafor various grades ofelectrical enclosurestypically used in industrial applications. Each is rated to protect against personal access to hazardous parts, and additional type-dependen...
IP等级与NEMA比较表 TypeNumber IPDesignation 1 IP10 2 IP11 3 IP54 3R IP14 3S IP54 4and4x IP56 5 IP52 6and6p IP67 12and12k IP52 13 IP54 何为NEMA等级,怎样与IP等级加以比较 NEMA与IP为宽泛公认的两种等级体系。NEMA为美国国家电器制造商协会的首字母缩写,在美国它往常用于设施的等级。IP为国际...
from external ice formation.12 Intended for indoor use primarily to provide a degree of protection against circulating dust,falling dirt, and dripping non-corrosive liquids.12K Type 12 with knockouts.Guide to NEMA and IEC Enclosure Ratings – Canary Systems Application Note #4 - Page 1 of 3 ...
1、IP 等级与 NEMA对照表 Type Number1233R3s4 and 4x56and 6P12and 12k131P DesignationIP10IP11IP541P141P561P521P671P521P54为 NEMA等级,如何与 IP等 级加以对照? NEMA与IP为广泛公认的两种等级体系。NEMA为美国国家电器制造商协会的首字母缩写,在美国它通常用于设备 的等级。IP为国际保护的缩写,来源于国际...
NEMA 12K enclosures with knock-outs are intended for indoor use primarily to provide a degree of protection against dust, falling dirt, and dripping non-corrosive liquids other than at knock-outs.NEMA 13 enclosures are intended for indoor use primarily to provide a degree of protection against ...
NEMA250与 IEC60529的简单对比 NEMA 外壳 IEC外壳 133R3S4 & 4X6 & 6P12 & 12KIP10IP541P141P561P671P52码防护程度定义 0无防护无特殊的防护 1 防止大于50mm之物体侵入防止人体因不慎碰到灯具内部零件防止直径大于 50mm之物体侵入2防止大于12mm之物体侵入防止手指碰到灯具内部零件 3 ...