S64-B17 is a 6-port PoE switch in a metal enclosure and battery backup designed to power IP cameras operating in the IEEE 802.3af/at standard. The switch - at ports 1-4 - automatically detects devices powered in the PoE standard. PoE supply: 4 ports IEEE 802.3af/at, 52VDC for up to 30W/port. UPLINK port: 2 ports – for recorder / switch / computer installation. Power supply: 176÷264VAC. Battery charging current: 0.5Amp. Fitting battery: 17Ah/12V. Approximate backup time: 5h 30min. Dimensions: W=397 H=350 D+D1=92+8 [+/- 2mm]. 48W – the maximum power consumption of PoE ports.