The Keyscan K-PROX3 Proximity Reader is an adaptable multiple mounting optioned proximity reader designed for access control systems with 125kHz proximity reader requirements. The K-PROX3 is made for exclusive use with Keyscan’s Present3  and facility lockdown functions.

Applications for the Keyscan K-PROX3 include electronic access control systems in Property Management, Multi-Family Housing, Schools and Office buildings.

Keyscan K-PROX3 Proximity Reader


  • Provides an innovative ‘heartbeat’ technology. If this heartbeat is interrupted due to wiring fault or damage, an alarm condition is triggered by the Keyscan control panel when enhanced features are activated
  • New dedicated LED indicators for Keyscan Present3 and facility lock down features (requires firmware 9.39 and K-PC1 programming card)
  • On board beeper to generate audible tones or sound a local “door-held-open” alert
  • Versatile mounting options with 2-in-1, mullion or single gang, electrical box mounting applications
  • Epoxy encased electronics are well-suited for both interior or exterior use
  • Impressive read range
  • Durable, weather-resistant construction for reliable operation and long usage even in harsh environments
  • Limited lifetime warranty


  • Mullion: 11.5 cm x 4.49 cm x 1.7 cm (4-7/16” x 1-11/16” x 11/16”)
  • Switch Plate: 12 cm x 7.6 cm 1.6 cm (4-3/4” x 3” x 5/8”)
Read Range:
  • Off metal: up to 12.7 cm (5”) On Metal: up to 10.2 cm (4”)
  • On Metal: On metal: up to 10.2 cm (4”)
    *Based upon Clamshell Card
Power Requirements: 12V DC, 80mA
Cable Distance:
  • 12” wire pigtail standard
  • Wiegand interface 500 feet (152 meters)
  • 6 conductor shielded 22 AWG
Operating Temperature: -40° C to 66° C (-40° F to 150.8° F)
Installation: Installation and wiring of systems must be in accordance with the National Electrical Code, ANSI/NFPA 70
Connections: Connections must be in accordance with NFPA 70. Reader and/or control unit power sources must not be connected to a receptacle controlled by a switch
  • ANSI/UL 294:1990 Ed:5
  • CAN/ULC S319-05
  • FCC + ICC

To place an order for a Keyscan K-PROX3 Proximity Reader or for a quote, contact your local IDN Branch.

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Kwame Shorter is the Digital Communications and Website Specialist at IDN, Inc.