STI 7521 NEMA 4X Protective Cabinet with Backplate and Thumb Lock, Clear

Keep remote annunciators, fire alarm control panels and monitoring devices visible and protected with the STI 7521 NEMA 4X Protective Cabinet from Safety Technology International. This clear, UV-stabilized polycarbonate enclosure delivers Type 4X environmental protection so you can safeguard critical security, fire and surveillance electronics from dust, grime and accidental or intentional tampering. The transparent design enables 360-degree visibility—ideal for quick status checks and reducing downtime during inspections or troubleshooting.

Designed for practical deployment, the cabinet includes a sturdy backplate for secure mounting, a thumb lock for everyday access, and an additional eyelet for a secondary lock or tamper-evident seal. At 10.9 x 8.9 x 3.6 inches, the wall-mount form factor centralizes equipment without consuming valuable space. UL Listed construction and included gasket and mounting hardware simplify installation and help meet site compliance needs.

For facilities managing fire, security, surveillance or building monitoring systems, the STI 7521 offers a durable, visible and tamper-resistant solution. Order now to protect and streamline maintenance of your critical devices.

• Protects fire, security and monitoring equipment from vandalism, dust and moisture with NEMA 4X-rated, UV-stabilized polycarbonate
• Clear enclosure provides full visibility for remote annunciators and alarm panels to speed inspections and troubleshooting
• Thumb lock, backplate and secondary eyelet allow secure mounting, tamper-evident seals or a padlock for compliance
• Compact wall-mount form (10.9 x 8.9 x 3.6 inches) centralizes devices while maintaining easy access for service
• UL Listed construction with included gasket and mounting hardware for fast installation and reliable environmental protection