日韩欧洲精品无码AV,99国产午夜精品一区二区天美,精品久久免费一区二区三区四区,久久综合图区亚洲综合图区,久久久久亚洲AV免费观看,精子网久久国产精品,亚洲AⅤ无码一区二区二三区性色,亚洲精品国产电影,亚洲资源在线观看,婷婷五月丁香在线

  • 
    
  • <ul id="yy6ca"></ul>
  • <del id="yy6ca"></del>
    <ul id="yy6ca"></ul>
    <strike id="yy6ca"><menu id="yy6ca"></menu></strike>
    Hotline:400-880-1556

    English




    [Change Notice] Notice on the change of the

    Author:中認(rèn)聯(lián)科 time:2020-06-24 Ctr:1220

    Notice on the change of the "Safety Certification Rules for Transformers for Switching Mode Power Supplies" and the implementation of the new standard GB/T19212.17-2019

    Relevant certification companies:

    GB/T19212.17-2019 "Safety of transformers, reactors, power supply units and similar products with a power supply voltage of 1100V and below. Part 17: Special requirements and tests for switching power supply units and transformers for switching power supply units" in 2020 Implemented on May 1, 2014, this standard replaces GB19212.17-2013. GB/T19212.17-2019 implements GB/T19212.1-2016 "Safety of transformers, reactors, power supply units and their combinations Part 1: General requirements and tests" corresponding to the general standard. The following are all referred to as "new standards". The China Quality Certification Center revised the “Safety Certification Rules for Transformers for Switching Mode Power Supplies” according to the above-mentioned standard version changes. The newly issued certification rule number is CQC11-461214-2020, which replaces CQC11-461214-2015. Hereinafter referred to as the "new version of the rules".

    The matters related to the implementation of the certification business are now notified as follows:

    1. From the date of announcement, the switching power supply transformer shall be tested and certified in accordance with the new version of the standards and rules. 2. For products that have obtained the old version of the standard and rules certification, the certificate holder can submit a change application to our center and accept the test for the new and old standard difference test items (see the appendix for specific test items), and the test is qualified The new version of the standard and rules certification will be issued later. The certificate conversion work should be completed by April 30, 2021. Certificates that have not completed the conversion after the deadline will be suspended for 3 months. If it is not completed beyond the suspension deadline, the certificate will be revoked. 3. The follow-up inspection after certification is carried out according to the standards and rules listed in the valid certificate.

    annex:

    19212.1 New and old standard differences and supplementary tests.doc

    19212.17 Difference between new and old standards and supplementary test.doc

    Please click "https://www.cqc.com.cn/www/chinese/c/2020-05-26/556365.shtml" below to download the attachment

    China Quality Certification Center


    Related Articles
    • How do smart desk lamps pass CE certification? ZRLK is your escort

    • Sodium battery UN38.3 certification: a key link to ensure product safety and compliance

    • CCC certification points of large capacity charging box: battery, headphones can not be less

    • CCC certification of the earphone charging case: The rated capacity of the battery cell is less than 600mAh.

    Follow Us
    7777精品伊久久久大香线蕉| av免费网站在线观看| 韩国19禁无遮挡啪啪无码网站 | 欧洲美熟女乱又伦| 激情影院内射美女| 欧洲mv日韩mv国产| 国产精品久久久福利| 日韩无码免费看| 毛片一区二区三区提莫影院| 欧美亚洲第一区| 亚洲欧美日韩国产精品一区二区| 91久久麻豆| 精品在线手机视频| 亚洲AⅤ无码一区二区二三区性色| 国产高清一区二区三区四区不卡 | 亚洲第一狼人区| 成人特黄a级毛片免费视频| 午夜福利啪啪片| 91在线无码观看| 精品少妇无码AV在线播放| 国产在线视精品在一区二区| 欧洲无码一区二区三区在线观看| 国产免费看AV高清不卡| 极品少妇一区二区三区四区| 国产av天堂亚洲国产av麻豆| 中文字幕有码无码人妻av蜜桃 | 国产精品一区二区视频成人| 狠狠热精品免费视频| 国产精品观看在线亚洲人成网 | 国产成人麻豆精品午夜福利在线| 亚洲欧洲自拍拍偷午夜色无码| 国产区小视频| 国产精品久久久久9999不卡| 亚洲不卡AV不卡一区二区| 国产精品成人久久电影| 国产av无码专区亚洲av| 妺妺窝人体色www聚色窝仙踪 | 亚洲国产AV无码专区亚洲AV| 亚洲成人av| A毛看片免费观看视频| 欧美人与动牲交欧美精品|