GRI TSW-03S Box Tamper Switch, SPDT, Shunt, Wire Leads

Protect enclosures and maintain uninterrupted monitoring with the George Risk Industries GRI TSW-03S box tamper switch. Designed for security and surveillance applications, this magnetic contact tamper switch alerts when a siren, bell or control panel enclosure is opened or pried loose, helping prevent tampering and reduce false alarms. The TSW-03S features SPDT (Form A) contacts and convenient wire leads for straightforward connection to alarm panels and monitoring systems, and is rated for 175V DC input for robust low-voltage operation. Its magnetically actuated plunger and environmentally sealed contacts eliminate corroding blades and switch bounce, extending service life and minimizing maintenance. Compact and compatible with most standard mounting hole patterns, the TSW-03S is an efficient retrofit solution for both new installations and upgrades across security, surveillance and access-control deployments. For installers and security integrators seeking dependable enclosure protection, the GRI TSW-03S delivers consistent tamper detection—add it to your next panel or siren installation to improve system reliability and reduce service calls.

• Eliminates nuisance service calls by providing reliable magnetic tamper detection that reduces false alarms
• SPDT (Form A) output with wire leads for fast integration into security panels, sirens, and alarm systems
• Environmentally sealed contacts and magnetic actuation deliver long service life with no corroding blades or switch bounce
• Compact form factor fits most bell, siren and control panel mounting patterns for easy retrofit and new installs
• Simple installation with no additional hardware required — ideal for installers and facility managers focused on uptime