The DUPS40 is a 40A DlN rail type DC-UPS module, and it is paired with a power supply and anexternal battery to achieve the backup function. When the AC mains fails or is interrupted, the load willbe immediately connected to the battery pack to avoid interruption and to ensure the continuousoperation of the entire system (the operating time depends on the capacity of the battery pack). The main features of DUPS40 include: fast installation, suitability for 24V battery packs and variouscapacities of 4AH~135AH,2A battery charging current, low voltage disconnect for battery protectionand more.The product is suitable for use in data centerssecurity systems,emergency lighting,wireless communication UPS, central monitoring systems, etc.