Details Two 9V switching power supply Audible failure alarm and failure relay contacts One PSU-101 can power a minimum of two interface frames Does NOT power partylines attached to CCI-22 modules Item Code PSU-101 Technical Specifications Two 9-volt switching supplies with audible failure alarm Output Current: 3 Amps Indicators: 2 power supply LEDs Rear Panel Connectors Alarm Out: SPST relay @ 1 amp DC rating Mains Connector: IEC 3-pin connector AC Power Input Voltage: 90 - 260 VAC Power: 125 Volt-Amps maximum Frequency: 50 - 60 Hz Environmental Operating Temperature: 0º - 50º C (32º - 125º F) Humidity: 20% to 90%, non-condensing Dimensions 1.75 x 19 x 7.75 in (HxWxD) (89 x 483 x 197 mm) Weight 4.5 lbs (2 kg)