Blog

How Many Kilovolts Of Power Frequency Withstand Voltage Test Should The Insulation Shell Of African Rural Lighting Electrical Ready Board Have No Breakdown Or Flashover Phenomenon?

Publish Time: Author: Site Editor Visit: 0

The standard for the insulation shell of lighting electrical ready boards in rural areas of Africa in the power frequency withstand voltage test is consistent with the standard for low-voltage electrical ready boards in China. According to the International Electrotechnical Commission (IEC) and Chinese National Standards (GB), the power frequency withstand voltage test voltage for low-voltage electrical ready boards used for lighting is usually 2500V (AC RMS).

Core standards and parameters
This standard mainly applies to lighting electrical ready boards with an AC rated voltage not exceeding 1000V. In the standard power frequency withstand voltage test, the specific requirements are as follows:
Test voltage: Apply an AC voltage of 2500V between the live parts and the casing (ground).
Duration: The test voltage needs to be applied continuously for 1 minute.
Qualification criteria: During the test, the insulation shell of the electrical Ready Board Box should have no breakdown or flashover phenomenon. Breakdown refers to the complete failure of insulation and a significant increase in current; Flashover refers to destructive discharge that occurs along the insulation surface.
Based on the standard
This parameter is not set arbitrarily, but strictly follows the relevant technical specifications:
International standards: mainly based on the IEC 61439-1 series of standards for low-voltage switchgear and control equipment.
Chinese National Standards: Corresponding to standards such as GB/T 7251.1 and GB/T 10233, these standards are also applicable to electrical equipment exported to regions such as Africa.
Africa region: It is explicitly required that electrical products comply with safety testing based on IEC standards, including power frequency withstand voltage testing. Therefore, even in rural areas of Africa, the testing standards for ensuring basic electrical safety are internationally recognized.
Friendly Reminder
Although the standard voltage value is 2500V, when conducting such high-voltage tests in practice, it is necessary to have qualified electricians or technicians operate and strictly follow safety regulations, as the test voltage is extremely dangerous to the human body. If you need to test a specific model or higher voltage level electrical ready board, please be sure to refer to its specific technical manual.

How Many Kilovolts Of Power Frequency Withstand Voltage Test Should The Insulation Shell Of African Rural Lighting Electrical Ready Board Have No Breakdown Or Flashover Phenomenon?

Recent News
Recommend Products