Model LTN-3R provides output line voltage regulation of ±3%, magnetic isolation, filtering, and power conditioning, all of which help protect electrical load from extreme power line disturbances and power outages. Available in 550 VA to 1.3 kVA single-phase sizes, this no-break, continuous sinewave UPS has NEMA 3R raintight enclosure, internal status and alarm panel, and battery backup (30 min to 9.5 hr). Free-standing unit may be floor- or pad-mounted and supports multiple options.