IOTA® ILBHI Emergency Drivers Address the Challenges of 347-480VAC Applications

Tucson, Arizona – June 15, 2021   IOTA® introduces the ILBHI Series emergency drivers for applications using 347-480VAC line power. The IOTA ILBHI converts the incoming 347-480VAC power to DC voltage for operating the LED array or light engine from the internal battery supply for the code-required 90-minutes during a loss of normal power.

With the ability to accept the native 347-480VAC input, the IOTA ILBHI Series eliminates the challenges created by using typical 120/277VAC emergency driver products, such as the need for stepdown transformers, dedicated 120/277VAC circuits, potential incompatibility with other control devices, or the use of additional surge suppression equipment.

The IOTA ILBHI Series includes emergency drivers for both Class 2 and non-Class 2 luminaires on the 347-480VAC circuit, with mounting and wattage options to match individual lighting requirements.

Other benefits of the IOTA ILBHI emergency drivers include:

  • Constant Power delivers consistent emergency illumination from Minute 1 to Minute 90
  • Auto-Sense forward voltages for both 15-55VDC and 55-250VDC luminaires
  • Self-test/self-diagnostics automatically conduct required monthly and annual tests.
  • High-efficiency design helps meet CA Title 20 energy performance standards for battery chargers
  • UL 924 Listed for factory or field installation in the United States and Canada
  • 5-Year Warranty

IOTA’s emergency driver designs are carefully engineered, manufactured, and handled to deliver optimal customer satisfaction and performance in the field. For complete product specifications, visit or call the IOTA Customer Service Team at 1-800-866-4682.

About IOTA

IOTA®, an Acuity Brands company, develops and manufactures premium solutions for emergency lighting needs and battery charging applications. Designed and engineered by industry experts, IOTA solutions are manufactured and quality-tested to the highest standards for confident operation and supported by our knowledgeable customer service team. Visit



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