Switched power supply prepared for battery connection (with safety backup) in grid box with wired connectors. Size: 199 x 50 x 110 [+/- 2mm]. Input = 176 ÷ 264VAC, Output=54VDC@2.3Amp with 0.5 / 1Amp for battery. SCP (Short Circuit Protection), OLP (Overcharge Protection), OVP (Over Voltage Protection), UVP (Battery Deep Discharge Protection). Efficiency: 86%. Optical LED signaling. For DIN rail mounting, a PSDIN2 bracket is required.