GB/T 21697-2022 Insulation coordination of lightning overvoltage for low-voltage distribution wiring and electronic systems

Standard Number: GB/T 21697-2022
Chinese:低压配电线路和电子系统中雷电过电压的绝缘配合
English:Insulation coordination of lightning overvoltage for low-voltage distribution wiring and electronic systems

Effective Date:2023-02-01
Regulatory Authority:Standardization Administration of PRC (SAC)
Issuing Regulatory Authority:State Administration for Market Supervision and Administration, State Standardization Administration

Adheres to international standards:N
PDF Downloadable:Y

You can click the button below to purchase the PDF version, and we will send it to you via email.

Click below to buy the printed version. Shipped via FedEx within 7 days. Full refund if out of stock.

If you encounter the following issues, please click here to contact us, and we will do our best to assist you.
1. You cannot find the standard document you are looking for on our website.
2. You have found the standard document, but our page indicates that PDF download is not available.
3. You need to purchase our translated version.