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Pulse Start Metal Halide Ballasts

Lighting matters to any type of location. When looking for the best lighting solution for your location, pulse start metal halide ballasts (PSMH Ballasts) are the newest technology in the metal halide market. They are more efficient than traditional probe-start metal halide ballasts and have largely replaced the latter in most applications. The pulse start metal halide ballasts are designed to work better in cooler temperatures or from greater distances from the light. The new generation of ballasts uses high starting voltages to power lamps, resulting in a higher lumen rating.


PSMH Ballasts exhibit energy-saving qualities over traditional probe start models. For example, a 400-watt fixture’s output is roughly 33,000 lumens, which is equal to 320 watts for a PSMH fixture with a lumen output of 32,000 lumens. Start-up times for the lamps to come to full brightness are also reduced with pulse start metal halide ballasts. On average, a PSMH lamp takes just 2 to 3 minutes to come to full brightness. The lamps are ideal for parking lots, warehouses, retail store lights, and more.

Please note that when choosing a replacement ballast, a metal halide ballast will not control pulse start lamps and vice versa. Warehouse-Lighting carries a range of ballasts from 150 watts to 1,000 watts and everything in between. If you have any questions or need help ordering, use our online chat feature or call toll-free 1-888-454-4480 and a knowledgeable staff member will be glad to help.

There are applications that pulse starts are geared to like colder temps and high or far distance to light. The pulse start product line exhibits some energy saving qualities over traditional metal halide units. There are also several wattages and voltages that the ballast may be from 120, 208, 240 or 277 which in the industry is called multi-tap, multi-volt, or quad tap. There is also a 480 volt, usually for older applications. If you have any questions please feel free to call our staff. The easiest way to get the right product is to call with ballast part number of lamps part number which it is controlling.