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Affordable key control with security

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Customers have the flexibility to deploy conventional cylinders internally with the option of utilizing the UL437 high security cylinder for perimeter doors where risk of physical attack to the door is greatest. Both cylinders are operated by the same Maximum+ patented key.


  • Proprietary side code & side bar provides a unique system code
  • Features trademarked SecurityRidge on the key
  • All Maximum+ products integrate with the ASSA CLIQ electromechanical access control system
  • Large master keying capability
  • 3 amp at 12 or 24 VDC
  • Uses hollowed out interchangeable core drivers
  • Body and plug chromium plated brass
  • Stainless steel top pins
  • Bottom pins and master pins are nickel silver
  • Fully reversible from maintained to momentary
  • Can be integrated into any new or existing ASSA master key system
  • Available with standard or narrow stile mounting plate with LED
  • Patented key control
  • Single pull double throw (SPDT) pin actuator and solder termination standard
  • Combines state-of-the-art Securitron® designed electronic technology with the versatility of an ASSA high security non-key retaining cam lock
  • UL listed
  • One year limited warranty