GRI 20RS-T-BL 3/8" Short Press Fit Recessed Switch Set, 0.93" Length, 1/2" Standard Gap, 10W, 200VDC, 0.50A, Closed Loop, N/O, A, Black

Protect narrow frames and high-value openings with the George Risk Industries 20RS-T-BL recessed magnetic contact — engineered for discreet, professional security. This compact 3/8" press-fit switch set (0.93" length) installs flush in thin door and window frames so you can maintain clean sightlines while adding robust intrusion detection. The closed-loop normally open contact with a 0.5" standard gap and end-of-line resistor option provides reliable monitoring and easy integration with alarm panels, access control and surveillance systems. Built to commercial-grade standards, the 20RS-T-BL supports up to 200VDC/10W and ships with standard leads or terminal block choices to match your wiring practice. UL and ULC approvals plus a lifetime warranty mean fewer callbacks and confident system performance. Choose this George Risk Industries magnetic contact when you need a low-visibility sensor that doesn’t compromise on reliability — ideal for residential and commercial alarm installations. Order now to upgrade perimeter security or specify it for new installations in surveillance and monitoring projects.

• Discreet, low-profile security: ultra-short 0.93" recessed design protects slim door and window frames without visible hardware
• Fast press-fit installation: 3/8" press-to-fit socket reduces install time and labor on retrofit and new-build projects
• Reliable alarm integration: Closed-loop N/O contact with 0.5" standard gap and EOL resistor option for dependable monitoring
• Durable, code-friendly performance: Rated to 200VDC/10W, UL/ULC approvals and lifetime warranty minimize service calls
• Flexible wiring options: Standard 12" leads with alternative cable styles available to fit any alarm or surveillance panel
• Concealed protection for high-value openings: Ideal for windows, sliding doors, and framed openings where aesthetics matter