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Published in: 2020-10-18 article from: this station
Our common working voltage range, the main nominal ranges are the following five ranges: such as 100-277Vac/120-277Vac, 100-240Vac, 220-240Vac, 277-480Vac
Answer: Because the safety testing agency will tighten ±10% to test according to the given working voltage range. So actually the four ranges are 90-305Vac, 108-305Vac, 90-264Vac, 180-305Vac, 249-528Vac, Our company will conduct verification tests on the led driver reliability test according to the above range to ensure normal operation in this working voltage range.
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