GRI 2020-TWG 3/8" Press Fit Recessed Switch Set, Wide Gap 1" ,10W, 160VDC, 0.40A, Closed Loop, N/O, A, Brown

Protect entries with a compact, professional-grade sensor engineered for reliable security monitoring. The George Risk Industries 2020-TWG Magnetic Contact is a recessed, press-fit door/window switch designed for intrusion detection and surveillance systems where a wide activation gap is required. Its 1" standard wide-gap rating and hermetically sealed reed switch provide consistent performance in metal frames and exposed environments while plated contacts resist sticking or freezing. Rated for 10W at 160VDC and 0.40A with a normally-open (N/O) closed-loop configuration, the 2020-TWG simplifies wiring and integrates seamlessly with alarm panels, access control and monitoring solutions. The short-length case and softer internal fill protect fragile reeds during installation, and the recessed mount keeps the contact discreet and tamper-resistant. Ideal for commercial, retail and institutional security installations, this US-made magnetic contact includes a lifetime warranty for procurement reassurance. Specify the GRI 2020-TWG for dependable door and window protection—contact sales to order or request custom lead and cable options for your project.

• Reliable recessed press-fit design for clean, tamper-resistant installation in doors and frames
• Wide 1" gap performance ensures dependable monitoring for larger clearances and metal frames
• Hermetically sealed reed and plated contacts resist sticking, freezing and environmental failure for long service life
• Normally-open (N/O) closed-loop configuration simplifies wiring for intrusion and security systems
• Compact 3/8" profile and softer fill protect fragile reeds—ideal for retrofit and new-construction applications
• Lifetime warranty and US-made quality give procurement teams confidence in long-term system uptime