Magnetic Locks

Magnetic locks (maglocks) hold a door closed with a powerful electromagnet mounted to the frame and an armature plate mounted to the door. They release instantly on loss of power, making them the classic fail-safe solution for access control on doors that must drop open during alarm or power-loss events.

Plan Your Deployment

  • Holding force rating (600, 1200, or 1500 lbf typical)
  • Indoor vs. outdoor (weatherized) rating
  • Door geometry: single, double, frameless glass, herculite
  • Voltage (12/24 VDC) and current draw at full holding force
  • Code-compliant release: motion sensor, button, fire alarm tie-in

What to Look For

Maglocks are always fail-safe, so you must design free egress per local code, typically a motion-activated request-to-exit and a push-to-exit button. 1200 lbf is the standard for single commercial doors; double-door installations usually require a shear or a pair of surface-mount locks. Include a tie-in to the fire alarm relay for automatic release.

Common Deployment Scenarios

Maglocks are common on tenant entries, glass-door storefronts, data center doors, and interior security-zone doors. They are discouraged on primary egress stair doors in some jurisdictions; always verify local fire and life-safety code before specifying.

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