While providing a continuous power source for 20- and 30-kilowatt central emergency lighting systems, Staco's FirstLine 924 protects the systems from irregularities (such as harmonics and voltage imbalances) in the primary AC supply, thereby increasing their lifespan and reducing maintenance and replacement costs. The online, double-conversion central inverter's front-panel LCD display shows system status and alarms; the control panel located on the front of the enclosure allows remote monitoring through an RS232 connection. In case of an AC power failure, the FirstLine will switch to run on an included battery for 90 minutes; once power is restored, the battery is automatically recharged for the next usage.

Staco Energy Products, Dayton, Ohio
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