VENTEV's LinkUPS 12 V system protects sensitive wireless equipment and provides clean, reliable power whether AC mains are available or not. This system utilizes an 18 in x 16 in x 10 in NEMA 4X enclosure made of gray polycarbonate, with an aluminum back plate, DIN rail for equipment installation, and pad-lockable doors for added security. The enclosure also includes mounting feet. The VL 100 series power rail assembly is an economical, low-power (55 W) solution providing AC – DC power conversion. This series includes a battery charger for keeping the battery bank charged, when AC power fails. The rail assembly includes a 55 W power supply and battery charger unit, knife switch AC disconnect, and AC and DC terminal blocks.brbrDon't let power be the weak link in your network. For customized solutions, contact a TESSCO sales representative.