The buffer power supply is designed for uninterrupted supply of devices requiring stabilized voltage of 12V DC (+/-15%). The PSU supplies voltage of 13,8V DC with current efficiency of I = 3A + 0,5A battery charging. In the case of mains power failure, the unit will instantly switch to battery power. The PSU is fitted with short circuit protection and overload protection. The power supply unit is in plastic enclosure designed for DIN TH35 rail mounting (35mm width). Power supply: 90÷264VAC. Power supply output: 3A/13,8VDC. Battery charging current: 0,5Amp. Efficiency: 85%. Protections: SCP, OLP, UVP. Dimensions: L=122, W=93, H=50 [+/- 2mm]. Notes: for mounting on a DIN rail.