3kVmm
3kVmm refers to a specific rating of electrical insulation strength, particularly relevant in high-voltage applications. The "kV" denotes kilovolts, a unit of electrical potential difference, with "3" indicating a value of three thousand volts. The "mm" typically signifies millimeters, representing a thickness or distance related to the insulation material. Therefore, 3kVmm describes an insulation's ability to withstand an electrical potential of 3000 volts across a specific thickness or distance of one millimeter.
This rating is a crucial parameter in the design and selection of electrical components such as cables,
The testing and certification of materials to achieve a 3kVmm rating involve standardized procedures to ensure