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什么是“Type HL”认证?应用在什么领域?

2020-11-10 18:56

2013年,UL宣布推出“Type HL” 用于危险场合(Hazardous Location)的LED驱动器认证。

LED驱动器的“Type HL”认证服务参照了镇流器的相关要求,并作为一个认证要求决议加入到标准“UL8750 照明产品中使用的LED装置”中。 UL8750的附录部分对“Type HL”类型的LED驱动器列出了具体要求,关键点如下:

“Type HL”类型LED驱动器应符合UL8750相关的性能要求

“Type HL”类型LED驱动器应符合UL8750相关的结构要求

除了输入输出引线,“Type HL”类型驱动器内部的所有元器件应完全淹没在灌封化合物中

符合要求的LED驱动器可以在获得UL认证的同时获得用于危险Hazardous(classified)区域的标志“Type HL”,带有“Type HL”标志的LED驱动器可以用于安装在Class I ,Division 2位置的成品灯具中,而不需要进行额外的评估,此对厂商在申请防爆灯具将大大简化审核的程序。

台湾明纬LED驱动器符合Type HL的机型有ELG、HLG等。

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