In most cases, lumen ouptut indicated on the Maxim Lighting Web site is for the combination of bulbs/LEDs, not the actual fixture itself. Lumens are lost on the back side of a bulb. The difference between LED lumen versus lumens from an incandescent or fluorescent source is that all of the lumen output is directed forward as opposed to a bulb where lumens come off the source in all directions.
#Larger than light lighting driver#
The driver also maintains constant current without fluctuations which is necessary for correct LED operation and life.Īn electronic semiconductor device that emits light when an electric current passes through it.Ī measurement of the power of light emitted from a source.
The amount of electricity that flows through a conductive surface measured in unit Amp.Ī device that transforms incoming household AC (alternating) current to low voltage DC (direct) current. Higher color temperatures (5,000 K or more) are cool (blueish white) colors lower color temperatures (2,700–3,500 K) are warm (yellowish white through red) colors. This is a measurement in Kelvin of the color of light a source produces. Higher CRI numbers are important in installations where true color is important such as clothing or art displays. This means that the maximum output current of the driver/transformer is limited, either by the intrinsic coil impedance or by a fuse or circuit breaker.Ĭolor Rendering Index is a quantitative measure of the ability of a light source to reproduce the colors of various objects faithfully in comparison with an ideal or natural light source. Class II drivers/transformers are either inherently or non-inherently limited. The maximum VA generally offered is 75 and the most common secondary voltage is 24 VAC. The angle at which a light travels from a light source.Ĭlass II drivers/transformers have a maximum VA (Volt-Ampere) rating of less than 100 and a maximum secondary output of 30 VAC.
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