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PSDL Power Sentry

Battery Packs for Fluorescent Downlights

By Power Sentry

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  • Specifications

Click here for up-to-date Spec Sheets

Factory- or field-installed on fluorescent down lighting fixtures to operate lamps at an initial light output of 20% to 85% of full lumen rating, providing optimum glare-free illumination for a minimum of 90 minutes upon interruption of normal power.


PSDL1 operates one two-pin 18W or 26W quad-tube compact fluorescent lamp. PSDL1 2LP operates two, two-pin (13-26W) quad-tube fluorescent lamps.

PSDL2 operates one, two-pin 7W, 9W or 13W compact fluorescent lamp. PSDL3 operates one or two, four-pin twin-tube (9-13W), triple-tube (18-42W*), quad-tube (13-26W) or 2D compact fluorescent lamp(s). *42W triple-tube is one-lamp only.

Dual-voltage input capability (120/277V).

Sealed, maintenance-free, high-temperature nickel-cadmium batteries.

Housing is permanently sealed steel enclosure.

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Product Type Emergency Ballast
Series PSDL3
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    How to Buy

    Acuity Brands lighting and controls products are primarily sold through a network of agents and distributors across North America,
    as well as at more than 100 showroom or international locations and several online retailers.

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    Acuity Brands is dedicated to providing outstanding technical support. Please click on the appropriate link below, or feel free to
    call us at 1.800.705.SERV (7378).

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