Secutron MRI-4011 Photoelectric Smoke Detector without Isolation

Deliver faster, more reliable fire detection for commercial and critical-infrastructure sites with the Secutron MRI-4011 photoelectric smoke detector. Designed to lower nuisance alarms and improve operational uptime, this hardwired detector uses advanced software algorithms and photoelectric sensing to distinguish genuine fire conditions from dust or insect intrusions—reducing false alarms that disrupt security and surveillance operations. Certified to UL 268 (7th edition) and CAN/ULC S529Rev 4, the MRI-4011 meets rigorous safety standards required by modern fire alarm systems. Its fully digital SLC communication supports up to 240 MRI-4000 series devices on a single loop, simplifying large-scale deployments and centralized monitoring. Installers benefit from 360° dual LED visibility, selectable sensitivity via the FACU, and quick device addressing with the MIX-4090 handheld programmer. Ideal for integrations with security monitoring platforms and building management systems, the MRI-4011 provides dependable detection without added complexity. Specify the Secutron MRI-4011 for your next security, fire alarm, or surveillance project—contact your distributor or order today to improve site protection and reduce nuisance-related interruptions.

• Early, reliable photoelectric detection reduces downtime and service calls by minimizing false alarms
• UL 268 (7th ed.) and CAN/ULC S529Rev 4 compliance for code-ready installations and peace of mind
• Digital SLC supports up to 240 MRI-4000 devices on a single loop for scalable security and monitoring
• Selectable sensitivity and remote output enable tailored monitoring and seamless integration with building systems
• 360° dual LED indicators and handheld MIX-4090 addressing speed up installation and maintenance workflows