Schlage M490P

Electromagnetic Door Lock


1,500 lbs. Holding Force, Door Status & Magnetic Bond Sensor, and Re-locking Time Delay

Your Current Selections:
Your Current Selections:
  • Bayonet mount makes installation simpler by not requiring magnet to be held overhead while mounting screws are installed
  • New design allowsfor RH/LH configuration in the field
  • Armature mount allows armature to pivot compensating for slight opening imperfections
  • Limited Lifetime Warranty
  • UL1034 Burglary-Resistant Electronic Locking Mechanisms
  • UL10C Positive Pressure FireTests of Door Assemblies and ANSI/BHMA Grade 1 certifications
  • 1500 lb. Holding Force:  Meets or exceeds BHMA standard of 1500 lbs.
  • Door Status Monitor (DSM):   Monitors whether the door is open or closed
  • Magnetic Bond Sensor (MBS):  Monitors the strength of the bond between the lock and armature so you know the door is secure
  • Relocking Time Delay (RTD):  Relock delay that is adjustable from 0.5 to 30 seconds
  • Automatic Voltage Selection (AVS) senses the voltage applied to the lock and responds accordingly
  • Certifications:  UL10C, UL1034, ANSI/BHMA A156.23
GoKeyless is a trained and authorized Schlage® dealer. Sales, service, and support. It's why thousands of clients around the world choose GoKeyless™ for their security and access control needs each year. The M400 Series line of electromagnetic locks from Schlage are designed with the customer in mind to be robust, easy to install, and secure.  The new bayonet mounting feature makes installs easier, allowing the installer to have their hands free during the mounting process.  There is no need to consider door handing as all the M400 Series electromagnetic locks are both non-handed and symmetrical, allowing optimum placement of the magnet no matter the application.  All M400 Series locks have automatic voltage sensing for 12 and 24 volts along with polarity protection to make wiring less complex.  The M490 is tested and certified to meet or exceed UL1034 and BHMA 1500lb. hold force requirements.  The M490 electromagnetic lock comes in two configurations to meet your specific security needs. The M490 provides basic security, while the M490P provides intelligent sensing and reporting features needed to integrate with access control systems, and the M490G is available for gates. Additional options are available for the M490P.  Kits are available for top jam, double door, and glass door applications.




Mag Model

Herculite Door Bracket, No Options, Top Jamb (In-swing doors)


3 (H) x 12.5 (L) x 1.75 (D) in.


14 lbs

Holding Force

1,500 lbs

Outside Operating Temperature Range

0° to 49°C (32° to 120° F)


12/24 VDC

Wire Gauge

14-22 AWG


.35A @ 24 VDC, .65A @ 12 VDC

Input Voltage

12/24 VDC



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