Power Supply

The image displays ZKTeco brand PS900 series power supply units, specifically models PS901, PS901B, PS902, and PS902B, designed for access control systems. 

  • Models PS901 and PS901B provide a 12V DC, 3A output, with the ‘B’ variant including battery leads for a 12V 7Ah backup battery (not included). 
  • Models PS902 and PS902B offer higher power with a 12V DC, 5A output, with the ‘B’ variant similarly including battery leads. 
  • All models typically feature an input of 220V AC, 50Hz, with an optional 110V configuration.