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What is the range of LV?

Published in Voltage Classification 1 min read

The range of LV, which stands for Low Voltage, is defined differently based on whether it is alternating current (AC) or direct current (DC), according to the IEC standard.

Understanding Low Voltage Ranges

Based on the IEC definition, the range for low voltage is as follows:

Voltage Type Range (Volts)
AC RMS Voltage 50 to 1,000
DC Voltage 120 to 1,500

This classification is used internationally for safety and regulatory purposes in electrical installations and equipment. Voltages below these ranges are typically classified as Extra-Low Voltage, while those above are considered High Voltage.