Edwards EST PS8B Power Supply

The Booster Power Supply (EBPS) is a UL 864, 9th Edition listed
power supply. It is a 24 Vdc filtered-regulated, and supervised
unit that can easily be configured to provide additional notification
appliance circuits (NACs) or auxiliary power for Mass Notification/
Emergency Communication (MNEC), as well as life safety, security,
and access control applications.