The IOTA IIS 750 120/277 90M HE SD 3ZONE DR3 NOBAT AI SC is a UL Listed stand-alone pure sine wave output inverter designed to provide power to designated emergency lighting fixtures. In a power loss situation, the IOTA IIS 750 will supply 750 watts of emergency power from the IIS 750 BAT Batteries which must be purchased separately. The IOTA IIS 750 works in conjunction with LED, incandescent, and fluorescent lamp and fixture types and will automatically run switched, normally-on, or normally-off designated emergency fixtures. The IIS 750 includes self-testing/self-diagnostics and will automatically conduct required monthly and annual tests. The IOTA IIS 750 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 750 is designed for high-efficiency performance and is certified in the CA Title 20 Appliance Efficiency Database. The IIS 750 features three sets of switched input and dimming leads, allowing for emergency power and dimming control on three different designated circuits. The IIS 750 is available in a surface mount housing and comes with IOTAs standard one-year electronics warranty and ten-year pro-rata battery warranty.