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   IIS-375-I UNIT INVERTER Specification Sheet in PDF format Installation Manual in PDF format Wiring Diagrams
IOTA IIS-375-I Inverter Emergency Output
375 Watts (.9 to .9 Power Factor)

Lamps Operated

Emergency Operation
90 Minutes

Product Description

The IOTA IIS-375-I is a UL Listed stand-alone sine wave output inverter designed to provide power to designated emergency lighting fixtures. In a power loss situation, the IOTA IIS-375-I will supply 375W of power from the onboard battery supply. The IOTA IIS-375-I works in conjunction with fluorescent and incandescent lighting loads and will automatically run switched, normally-on, or normally-off designated emergency fixtures. The IIS-375-I is ideal for applications requiring an emergency source for lighting arrangements that utilize multiple lamp and fixture types. The IIS-375-I features a surface mount design and comes with a three-year warranty and seven-year pro-rata battery warranty.

Product Specifications


Dual (120/277, 60Hz)
500 Watts (Bulk Charge)

120/277VAC, 60Hz
375W at 0.9 leading to 0.9 lagging PF

Transfer Time Less than 1 second

Voltage Regulation on Emergency +/- 2% @ 15 to 110% load

Frequency Regulation on Emergency +/- 0.5%

Load Power Factor Range 0.9 leading to 0.9 lagging PF

Operating Temp
20° to 30° C
(68° to 86° F)

114 lbs


UL 924 Listed
  • Emergency lighting supplied from one convenient source

  • Pure sine wave output

  • Operates fluorescent lamp and ballast combinations (including two-wire dimming ballasts), and incandescent lamp types

  • Includes momentary contact test switch, yellow ready indicator, green inverter-on indicator, and red charging indicator

  • Resettable output circuit breaker provides protection against circuit overload

  • 12-Volt Valve Regulated Lead Acid (VRLA) battery provides long life and is maintenance free

  • Line voltage allows for remote mounting of emergency fixtures at distances up to 1000 feet

  • Low Battery Voltage Disconnect

  • Line Latch Protection

  • Allows for emergency operation of switched or unswitched fixtures

  • Durable 16-gauge steel surface mount design with semi-gloss powder-coat finish

  • 3/7 Pro-Rata Warranty. See Warranty Page for details.

  • Meets or exceeds all National Electrical Code and Life Safety Code Emergency Lighting Requirements


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