Locknetics M490DE M400 Series Electromagnetic Lock with Delayed Egress, Aluminum Housing, 628 Satin Finish

Secure entry points while meeting life-safety requirements with the Locknetics M490DE electromagnetic lock — a delayed egress magnetic lock engineered for commercial access control. Designed to deliver reliable security and code-compliant egress, the M490DE features a 15-second delayed egress with audible alarm to deter unauthorized exit while protecting occupants. Installers benefit from Automatic Voltage Selection (12/24 VDC) and a bayonet mount that reduces installation time and wiring complexity. Built with an aluminum housing in 628 satin finish and tested to industry standards (UL 294 / ANSI/BHMA hold-force criteria), this Locknetics magnetic lock provides durable, tamper-resistant performance for heavy-use doors. The M490DE supports integration with electrified exit devices, request-to-exit inputs, and access control systems for centralized monitoring and surveillance. Whether you need controlled egress for healthcare, retail, education or corporate facilities, the M490DE balances security, code compliance and installer-friendly features. Contact us to specify the right configuration for your access control system or add the M490DE to your next security project.

• Code-compliant delayed egress for life-safety applications, providing a 15-second alarm and controlled release to protect people and property
• Simplifies installation with Automatic Voltage Selection (12/24 VDC) and bayonet mounting to reduce labor time and wiring errors
• Heavy-duty aluminum housing (628 satin finish) and UL/ANSI-tested performance for reliable, tamper-resistant security
• Integrates with access control and monitoring systems via external inputs and intelligent sensing options for reporting and surveillance integration
• Fail-safe operation and versatile mounting options for single or double doors — ideal for hospitals, retail, schools and high-traffic facilities