Apowerful switch mode/digital hybrid PSU that can be customised to suit your exact requirements see More Information tab for details. Plasticcoveron PSU PCB guards against touching live parts (to VDE 0100-410). Includes the same electronics as our BF562-3 LPCB/VDS certified EN54-4/A2 boxed 24V 3A PSU. Metal base platefacilitatesstraightforwardmountinginside third-party OEMenclosures. Includes a single-pole volt-free changeover relay that switches for any fault condition. Includes afault type& hazardous voltages present LED. Two selectable battery charge currents. Battery fault impedance limits can be optimised to suit load current (helps extend battery life)*. Mains fail simulation mode. Improved on-board temperature sensor with optional remote sensor. Electronic functions comply with EN50131-6 grades 1-4 for security applications.