Ubiquiti Networks EP-54V-150W-AC network switch component Power supply

Versatile, Modular Design The rack-mountable EdgePower features two PSU bays. One 54V, 150W AC-DC module is included, and an optional AC-DC or DC-DC module is available.
High Power The EdgePower provides up to 150W of power output. With an optional PSU in the secondary bay, the EdgePower may be configured to deliver up to 300W of power.
Backup PSU If failure of the primary PSU is detected, the secondary PSU automatically activates to supply continuous power.
Remote Monitoring and Configuration Designed for convenient management, the EdgePower Configuration Interface allows administrators to configure and monitor PSU features in a simple, graphical user interface.