Class 350火灾保险箱是指在火灾发生时,内部温度不超过350°F(约177°C),并且相对湿度不超过85%。这个等级适用于存储电子介质、硬盘等的保险箱。 UL-72英文等级的划分主要是为了保护重要文件和贵重物品免受火灾的损害。选择适合的UL-72等级的火灾保险箱可以提供额外的安全保障,确保在火灾发生时,内部物品能够得到一定...
The rating AS TOFIRE RESISTANCE RATING: CLASS 350 - 1 HR has replaced the rating"CLASS D." The rating AS TOFIRE RESISTANCE RATING: CLASS 350 - 1/2 HR has replaced the rating"CLASS E." Lead time测试周期: 120 working days工作日 Sample size送样规格: 4pcs finishedproducts 成品 Others其...
318 UL 5085-3 CRD-2010 2010-02-02 English UL Standard for Safety Low Voltage Transformers – Part 3: Class 2 and Class 3 Transformers - Section / Paragraph Reference: Table 7 Subject: Maximum temperature rise for Class 120(E) transformer insulation system - Edition 1: April 17, 2006 319 ...
UL Class 2 LED驱动电源/灯具的接线-NEC定义的Class 1/2/3电路,以及0-10V调光器接线-1 07:44 UL Class 2 LED驱动电源/灯具系统接线-0-10V调光器接线-2 06:46 UL Class 2 灯具系统接线-特殊金属套管MC线-3 04:13 NFPA 70 NEC Class 1/2: 0-10V调光线与灯具的系统接线方法-4 06:44 应用...
414 UL 248-7 BULLETIN-2019 2019-05-17 English UL Standard for Safety Low-Voltage Fuses – Part 7: Class H Renewable Fuses - COMMENTS DUE: July 1, 2019 415 UL 834 BULLETIN-2019 2019-05-17 English UL Standard for Safety Electric Boilers - COMMENTS DUE: JUNE 17, 2019 416 UL 142-2019...
229 UL 711 CRD-2016 2016-10-03 English UL Standard for Safety Rating and Fire Testing of Fire Extinguishers - Section / Paragraph Reference: 9 Subject: Class C extinguishers - Edition 7: December 17, 2004 230 UL 896 BULLETIN-2016 2016-09-30 English UL Standard for Safety Oil-Burning Stove...
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注册资本:350万元 企业类型: 公司地区:中国 广东 东莞 主营产品:PVC电子线,排线,硅胶线,高温线,铁氟龙线,硅胶编制线等等 进入店铺 产品分类 电气设备用线缆 电力电缆 电子线 产品详情 品牌:胜牌 型号:UL2464#22AWG /3芯 线芯材质:镀锡铜线 护套材质:PVC ...
一.UL简介 1890年代，美国许多城市发生连串严重火灾，原因归咎于电器设备及电线走火。为了避免悲剧再次发生，威廉斯．梅瑞尔先生于1894年创办了「承保电机工程局」即「国家火险部电机工程局」的前身。UL以仅有两位员工及价值350美元的测试设备，于同年3月24日批发第一份测试报告。1901年，梅瑞尔先生一手创办的工程局...
1825/72/6' 241 1978/78/6'6" 246 2130/84/7' 251 Fire Hydrant Model No.:MH-1510FA/MH-1510A Installation, operation & maintenance Installation 1. Hydrants should be handled with care to avoid damage. It is recommended to keep hydrants closed until...