or normally-off designated emergency fixtures. The IIS 550 HE is ideal for applications requiring an emergency source for lighting arrangements that utilize multiple lamp and fixture types. The IOTA IIS 550 HE features increased inrush capability to prevent shutdown caused by inrush currents, allowing operation of loads at the full rated output of the unit with no need for circuit de-rating. The IIS 550 HE is designed for high-efficiency performance and is certified in the CA Title 20 Appliance Efficiency Database. The IIS 550 HE also features dimming relay leads to accommodate 0-10V dimming applications. The IIS 550 HE is available in a surface mount housing and comes with a three-year warranty and seven-year pro-rata battery warranty.

PRODUCT SPECIFICATIONS
Input Voltage ............................................................... (Universal, 2-wire) 120-277V, 60Hz

Input Rating (bulk).................................................................................................750 Watts

Output Voltage ..................................................................... (auto-detect) 120/277V, 60Hz

Output Power ..................................................... 550 Watts (@ .9 leading to .9 lagging PF)

Lamps Operated.....................................LED (per NEMA 410), Fluorescent, Incandescent

Transfer Time......................................................................................... less than 1 second

Surge Protection.............................................................. Meets ANSI/IEEE C62.41.2-2002

Emergency Operation ....................................................................................... 90 minutes

Frequency Regulation (emergency).............................................................. +/- 1 Hz (<2%)

Load Power Factor Range ............................................................. .9 leading to .9 lagging

Operating Temp................................................................................................ 20° to 30° C

Battery........................................................................... Valve Regulated Lead Acid (VRLA)

Weight...................................................................................................................... 163 lbs.

Certifications .................................... UL 924 Listed CA T20 Appliance Efficiency Database