GRI M-505-B Magnet Only F/505 SRS, Brown

Ensure dependable contact detection at doors and windows with the GRI M-505-B Magnet Only F/505 SRS, Brown. Purpose-built as a replacement/contact magnet from George Risk Industries, this M-505-B unit restores reliable performance to 505 SRS contact assemblies and helps reduce nuisance alarms in security and monitoring installations. The brown, low-profile design blends into wood or brown frames for discreet placement in retail, commercial and residential surveillance systems.

Manufactured in the US, the GRI M-505-B offers durable magnetic consistency to maintain accurate sensor activation over time. Compatible with the 505 SRS series, this magnet-only component is an economical OEM-compatible option for technicians performing service, upgrades or bulk rollouts across access control, alarm and intrusion detection systems. Easy to install and field-replaceable, it minimizes service time and supports long-term monitoring integrity.

If you need a reliable replacement magnet for your security sensors, specify the George Risk Industries M-505-B for consistent contact performance—order now to support installations, retrofits and ongoing maintenance.

• Provides reliable magnet activation for 505 SRS contact assemblies, reducing false alarms and improving monitoring accuracy.
• OEM-compatible M-505-B replacement ensures consistent performance with George Risk Industries 505 SRS sensors.
• Low-profile brown finish for discreet installation on wood or brown frames—ideal for surveillance and access control points.
• US-made durable magnet built for long-term field use in commercial security and alarm systems.
• Quick retrofit and installation to minimize downtime and maintenance costs.