3521/3541/3551/3571 12VDC Power Supplies

The 3521, 3541, 3551 and 3571 Series 12VDC regulated power supply units provide the necessary power requirements to all Sargent electromechanical and access control locks. These power supplies feature integral battery charging capability and are recommended when using a Sargent system.


  • UL Class 2 Listed
  • Four models available: 1, 2, 4, or 6 amps
  • Fire alarm interface standard
  • Slide switch controls the power to each circuit

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