The DUPS20 is a 20A 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 DUPS20 include: fast installation, small size (only 40mm wide)suitability for 24vbattery packs and various capacities of 4AH~135AH2A battery charging current,low voltagedisconnect for battery protection and more.The product is suitable for use in data centers,securitysystems,emergency lighting, wireless communication UPS, central monitoring systems, etc.