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IIS-50-I, 50 Watt Emergency Power Micro-Inverter Unit

  Edge Non-Configured Price List

The IOTA IIS-50-I is a UL Listed sine wave output inverter designed to provide power to the designated emergency lighting fixture. In a power loss situation, the IOTA IIS-50-I will supply 120 or 277 VAC power to operate up to a 50W total connected load for not less than 90 minutes. The IOTA IIS- 50-I works in conjunction with LED, fluorescent, and incandescent lamp and fixture types and will automatically run switched, normally-on, or normally-off designated emergency fixtures. The IIS-50-I is ideal for applications requiring an emergency source in elevated ceilings, for high output luminaires, and lamp types utilizing Edison screw (ES) designs. The IIS-50-I features a replaceable long-life nickel-cadmium battery and is covered under IOTA's five-year warranty

Applications: Indoor*
*To avoid overheating the power supply, install it in a ventilated remote location where air flows. Maintain proper spacing (6") among power supplies when multiple power supplies are installed in the same remote location.

Input Voltage:
Dual 120/277VAC (60Hz)
60 Watts (Bulk Charge)

Output Voltage:
120/277VAC (Side Switch Selectable) 60Hz
50 Watts (at 0.9 leading to 0.9 lagging PF)

22.5" x 3.0" x 2.75"

Emergency Operations:
90 minutes

Operating Temp:
0° to 50°c

9 lbs


  • UL 924 Listed
  • cUL Listed to CSA C22 No. 141
  • Pure sine wave output
  • Operates LED, incandescent, and fluorescent fixtures, fixtures with dimmable ballasts, and screw-base lamp types
  • For use with switched or unswitched fixtures
  • Dual voltage 120/277 VAC 60Hz input with 120/277 VAC 60Hz slide switch selectable output
  • Includes test switch and charge indicator accessory kit
  • Replaceable and recyclable long-life high temperature nickel-cadmium battery
  • Line voltage allows for remote mounting of emergency fixtures at distances up to 250 feet
  • Low Battery Voltage Disconnect (LVD)
  • Rated for use in damp locations
  • Meets or exceeds all National Electrical Code and Life Safety Code Emergency Lighting Requirements
  • RoHS Compliant
  • Five-Year Warranty

Assembled in America


Ordering Code

Product   Wattage   Type
IIS - 50 - I
IIS Micro-Inverter   50W 50 Watt   I I