Unlit obstruction lights due to power loss imposes significant risks on aircrafts and tall structures. A UPS (Uninterruptible Power Supply) unit is an vital device in obstruction lighting system to backup obstruction lights for continuous operation in the event of power loss.
The UPS unit is compatible for a wide primary AC input from 165VAC to 265VAC. Built-in inverter circuity, battery charger, and high-quality VRLA battery packs for some sub-models or external battery box connected to UPS, provide continuous AC power when primary input AC power is interrupted.