JB/T 7122-2024 English PDFJB/T 7122: Historical versions
Basic dataStandard ID: JB/T 7122-2024 (JB/T7122-2024)Description (Translated English): (Basic requirements for AC vacuum contactors) Sector / Industry: Mechanical & Machinery Industry Standard (Recommended) Classification of Chinese Standard: K32 Classification of International Standard: 29.130.20 Date of Issue: 2024-03-29 Date of Implementation: 2024-10-01 Older Standard (superseded by this standard): JB/T 7122-2007 Issuing agency(ies): Ministry of Industry and Information Technology Summary: This standard specifies the product classification, basic parameters, normal working and installation conditions, product information, structure and performance requirements of AC vacuum contactors, specifies the corresponding test methods, and specifies the transportation and storage conditions. This standard is applicable to the manufacture of contactors with an AC frequency of 50Hz and a rated working voltage of 6kV and below. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of JB/T 7122-2024_English be delivered?Answer: Upon your order, we will start to translate JB/T 7122-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of JB/T 7122-2024_English with my colleagues?Answer: Yes. The purchased PDF of JB/T 7122-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version JB/T 7122-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 7122-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |