The Ubiquiti Networks EP-54V-150W-DC is a modular power supply for use with the EdgePower 54V PS. It is a 54V 150W DC power supply, that can be configured as backup.
This power supply can be placed into the secondary PSU bay on the EP-54V-150W as an extra power supply. This EP-54V-150W-DC secondary PSU may be configured as a backup PSU. in backup mode, the secondary PSU remains inactive and offline. If failure of the primary PSU is detected, the secondary PSU automatically activates to supply continuous power.
(Compatibillity: EdgePoint Power Supply (EP-54V-150W)