Battery charger 49ALM004 (24 Vdc) was specifically designed for vocal evacuation systems; based on microprocessor devices, it is able to charge lead batteries (backup batteries connected to the vocal evacuation system) while simultaneously supplying energy to auxiliary equipment. Standard chassis for direct installation in 19” rack cupboards (height 3 U). Output current 4A. Output current 24 Vdc 2 x 4A. Capacity of batteries that can be connected: min. 7 Ah - max. 55 Ah. Indications for general fault, battery fault or output voltage fault. Dimensions: 482x133x110 mm. Weight 3 kg. Approved to EN 54-4.