Switch mode buffer power supply unit for cameras and recorders. Size: 275 x 115 x 50+23 mm. Uin=176÷264VAC, Uout=54VDC. ?I=5A. SCP (Short Circuit Protection), OLP (Overload Protection), OVP (Over Voltage PRotection), UVP (Deep Discharge Battery Protection), EPS (AC Failure), PSU (Power Supply Failure), LoB (Low Battery Voltage).