PSU24/1L Power supply in large metal housing 24 V 1A. Product reference: PSU24/1L Continuous duty. Extra 500 mA for charging emergency battery. Universal input voltage 90-264V AC. Highly efficient electronics for cost saving and lower operating temperature. Installation-friendly and safe design, where all live parts are insulated. Completely short circuit proof and overload protected in operational use. Input voltage protection against overvoltage techniques. Sabotage contact of the housing. Green 'voltage present' LED. Red 'fault' LED (depending on model).