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Metal Halide Ballast

Metal Halide ballasts come in varying electrical make up, shapes, and sizes. We offer standard core & coil, f-can style, postline type, encased/weatherproof, and electronic ballasts.

Most standard metal halide ballast are CWA type which means it is a constant wattage auto-transformer. These are the most popular metal halide ballast in the US and have changed little since the 1960's. Metal halide CWA type ballasts have two coils. One acts as an autotransformer with multiple voltage input taps and the second coil provides inductance that in series with the capacitor will control the lamp current. Regulated Lag ballasts use 3 coils and provide a high degree of power regulation for the lamp by reducing spikes and voltage issues. These metal halide ballasts are much heavier duty and contain more materials in order to handle higher loads.

High Reactance Auto-transformers (HX-HPF) are two coil metal halide ballasts which consist of a primary winding that provides the voltage transforming for the OCV requirements and a secondary coil for limiting the current. This metal halide ballast is more heavy duty than it's cousin the lag/reactor ballast.

Did you know? All metal halide lamps that are below 150 watts are inherently pulse start lamps and must run on a pulse start ballast. Above 150 watts please refer to the ANSI code on the lamp and on the ballast. The ANSI numbers will begin with an M. Match the M number (example: M90) on your lamp with the code on the ballast you are choosing. For help please selecting a ballast please call 1-888-988-2852.

  • M48/1500CWA/5T/K
    Ballast - Metal Halide - 1500W 120-480V Halco 55182- This is a probe start metal halide ballast that operates 1 1500W M48 ANSI lamp. 5 Taps 120-208-240-277-480V rated. New brackets, mounting screws and capacitor included. ...
    $199.00 $156.00

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