The Industry Standard in UL 924 Lighting Inverters
Online Power manufactures the widest range of UL 924 listed emergency lighting inverters from a single manufacturer — 35W to 400kW. Built to order in Los Angeles since 1975 with zero transfer time, pure sine wave output, and OSHPD/HCAI seismic certification for California's most demanding projects.
Range
35W–400kW
Founded
Since 1975
Certified
UL 924
Seismic
OSHPD / HCAI
Widest Range Available
From small 35W systems to large-scale 400kW installations, no other single manufacturer covers this range under one UL 924 listing.
Zero Transfer Time
Online UPS topology means the inverter is always on line. No transfer switching. No flicker. Full illumination maintained for the entire 90-minute code-required duration.
Built for California
OSHPD and HCAI seismic certification for hospital and healthcare projects. The most demanding compliance requirements in the country, met as standard.