Delta PowerGen 15 kW / 25 kW is an outdoor -48 VDC standby generator designed to support telecommunications network power through extended utility power outages. Using 2.2 liters naturally aspirated 4-cylinder compact package engine, it’s powerful but quiet. Delta PowerGen 15 kW / 25 kW installation and deployment is quicker, easier and less costly than a traditional AC generator. Its availability can be assured through remote web browser access as well as M2M automation using SNMP alarms, polling and exercise.