Musings from a Lighting Designer

Thoughts on developments in lighting design and lighting products

The perfect match?

Filed under: Uncategorized — Bill Noble at 9:52 am on Monday, January 7, 2013

Matching dimmer switches with mains dimmable retrofit LED lamps is a nightmare. There is only one way to be sure you have a compatible match and that is to check with both the manufacturer of the LED lamp and the manufacturer of the dimmer switch that the specific items and model numbers are compatible with each other. Unfortunately, while it is possible to ensure an acceptable match now you cannot be sure that things will work if the LED lamps are replaced in the future with different models.

Things you need to look out for when finding the perfect match include:

- What is the maximum number of LED lamps the dimmer can handle? Currently Philips recommends that the maximum loading of dimmer switches is de-rated by 90% when using their LED lamps. This means a 400W dimmer switch, for example, can only handle 40W.

- What is the minimum load the dimmer can handle?

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