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:1658

    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
    • Big News! GB 26572-2025 Released: China RoHS Upgrades to a Mandatory Standard, Implementation Begins in August 2027

    • India's electronic products usher in a new safety standard: IS/IEC 62368-1:2023 will soon replace the old standard

    • Attention! The fourth edition of UL 62368-1 has been released, and enterprises need to respond in time!

    • CCC Certification: The "Safety Certificate" for Polymer Batteries to Enter the Market in Compliance

    Follow Us
    亚洲av成人网| 国内最真实的xxxx人伦| 色噜噜狠狠狠综合曰曰曰| 么公的好大好硬好深好爽视频| 亚洲中文久久精品无码| 欧美老人巨大xxxx做受视频| 少妇性俱乐部纵欲狂欢少妇| 日本极品少妇videossexhd| 中文精品久久久久国产网址| 亚洲免费鲁丝片| 亚洲国产成人va在线观看| 久久亚洲AV午夜精品二区| 亚洲精品国产成人久久Av盗摄| 丰满少妇被猛烈进入| 国产精品网曝门在线播放| 色综合色综合色综合色欲| 久久亚洲春色中文字幕久久久| 我把护士日出水了视频| 欧美日韩色另类综合| 国产成人AV综合久久视色| 草裙社区精品视频三区免费看| 久久久精品中文字幕麻豆发布| 大陆精大陆国产国语精品| 国内少妇偷人精品视频免费| 99精品国产一区二区| 欧美xxxx做受欧美| 久久国产精品波多野结衣av| 国产精品久久国产精品99 gif| 少妇厨房愉情理伦片bd在线观看| 成人片黄网站a毛片免费| 亚洲av无码成人精品区狼人影院| 苍井空一区二区波多野结衣av| 亚洲av中文无码乱人伦在线观看 | 人妻献身系列第54部| 日本韩国欧美| 国产成人无码av| 亚洲av无码第一区二区三区| 男人下部进女人下部视频| 99久久婷婷国产综合精品| av一本久道久久波多野结衣| 国产第113页|