NEWMAR's BDS-DIN-UPS-48-10 NFPA code compliant 48 V DIN rail power system combines all system power functions: power supply, battery charger, and status monitoring with a 70% battery depth of discharge monitor in one compact DIN rail mount unit. 115 / 230 input VAC, 48 VDC and 10 A output, 5.9 in x 4.5 in x 5.3 in, 4 lb, easy hook up to fire alarm panel via c form closed contacts