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Knowledgebase: Leading edge (Forward Phase) or Trailing edge (Reverse Phase)?


The majority of our lamps & fittings are designed with leading edge circuits. However, this is not exclusive as newer models are being designed with trailing edge circuits.

As our LED lamps and fittings could be either leading or trailing edge compatible we recommend you check our online compatibility charts for  the specific product.

Superior control systems like the Lutron Phase Adaptive (QSNE) controller can manage both leading and trailing edge MM lamps. For more details refer to the compatibility links/charts from the products section of our website:-

or the Lutron website:-


Alternatively, please contact our sales team for further advice.

01707 386000