0-10VĠ to 10 volt dimming is a control method used mostly in architectural and commercial lighting. Trailing edge dimmers existed before LEDs were a useful light source but particularly became popular in the age of LED as it’s a method of shortening the alternating current to the light source was proven to be more tolerant to the lighter loadings of LED. The power is reduced at the end of the cycle, which can result in a more abrupt effect. Trailing edge phase control dimmers are the opposite of leading-edge phase control dim. This makes them better for higher wattage bulbs with capacities up to 1000W, but they can also work with LED light fixtures but rarely acceptably across the whole of the dimming curve. They have been around for a long time and are usually used to dim traditional incandescent and mains halogen light bulbs. Leading-edge dimmers have traditionally been more popular than trailing-edge ones. This can result in a smoother effect and is often used with low-voltage LEDs. Leading-edge phase control reduces the power at the beginning of the cycle instead of the end.
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