BAL500TD Fluorescent Emergency Ballast - 500 Lumen -120/277 Volt

The BAL500TD Fluorescent 500 lumen emergency ballast works with or without an AC ballast to convert new or existing fluorescent fixtures in to unobtrusive emergency lighting.

• Operates one lamp in the emergency mode for a minimum of 90-minutes.
• Provides a maximum initial lumen output of 500 lumens.
• Dual 120/277 voltage.
• Charge rate/power "ON” LED indicator light and push-to-test switch for mandated code compliance testing.
• 2.4V long life, maintenance-free, rechargeable sealed NiCd battery.
• Internal solid-state transfer switch automatically connects the internal battery to fluorescent lamp for minimum 90-minute emergency illumination.
• Fully automatic solid-state, two rate charger initiates battery charging to recharge a discharged battery in 24 hours.
• Time delay enhancement to overcome end-of-life circuit protection.
• Suitable for installation inside, on top or in remote* of the fixture.
• Can be used in both switched and unswitched fixtures.
• UL Listed for factory or field installation.