中文字幕日韩在线观看,久久久人人玩人妻精品综合,国产欧美日本在线,久久精品免费视频6,欧美精品黄色网站,色综合久久久久无码专区,亚洲区欧美中文字幕久久,国产手机在线视频,国产中文字幕视频在线观看,日本一区二区免费在线观看

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
欧美日本综合一区二区三区| 国产一区二区精品夜夜嗨| 国产乱人伦精品一区二区在线观看| 亚洲av之男人的天堂| 欧洲AV无码放荡人妇网站| 日日碰狠狠添天天爽| 男同gay18禁网站| 欧美成人影院在线观看| 国产裸体裸拍在线观看| 亚洲欧美洲成人一区二区| 亚洲av永久无码精品放毛片| 国产69精品久久久久777| 狠狠躁日日躁夜夜躁2020| 少妇被粗大的猛进69视频| 国产高清中文手机在线观看| 狠狠97人人婷婷五月| 无码午夜福利免费区久久| 国产大片内射1区2区| 伊人天伊人天天网综合视频| 麻豆国产尤物av尤物在线观看| 亚洲精品天堂无码中文字幕| v一区无码内射国产| 好大好硬好爽免费视频| 樱花草视频www| GOGOGO免费高清视频| 老熟妇仑乱一区二区视頻| 免费看丝袜无码人妻| 日本不卡中文字幕| 青青青国产在线观看| 久久91精品综合国产首页| 国产中文在线视频| 草草久久久无码国产专区| 亚洲成a人无码亚洲成www牛牛| 99久久精品费精品国产一区二区 | 久久精品无码一区二区三区| 香蕉伊蕉伊中文在线视频| 国产成人亚洲欧美| 亚洲五月丁香| 一区一精品| 日韩网站在线| 99久久精品国产高潮|