Our common working voltage range, what are the main nominal？ 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.
What is the classification of the protection (IP) level of LED Driver? How to test? The protection (IP) level of the power supply is represented by IPxy, x represents dustproof, which is a number 1-6; y represents a waterproof level, which is a number 1-8.
Several common lightning protection levels for outdoor led driver: 10kV/6kV, 6kV/6kV, 6kV/4kV, 4kV/4kV, reference standards? 4 criteria for the test results： Class A No electrical influence； Class B Electrical intermittent work occasionally, but it can automatically recover;Class C Stop working, restart after power failure; Class D damage.
How many watts of lamps in the LED lamp factory are different from the many watts of power used by the LED Driver factory. The watts of light often referred to by the LED lighting factory refers to the input power of the whole lamp. It will cause great changes due to the difference in efficiency of the internal led driver of the lamp under different working conditions. The watts of led driver often mentioned by led driver factories refers to the maximum output power of the led driver. The formula for the relationship between them: Pin X Eff=Po.
What is the safety Tc? What is the warranty Tc. The safety Tc of the product refers to the maximum working Tc at the specified location allowed by the safety regulations when the product is in the safety certification, regardless of the long-term life of the product. Warranty Tc refers to the maximum working Tc of the led driver limited to ensure that the product can work stably and reliably during the warranty period.