Takex PR-11B Photoelectric Beam Sensor, 36' Outdoor / Indoor Reflective Beam, N/O and N/C Relay, 10.5 to 30VDC, 49' Indoors

Protect perimeters and entry points quickly with a reliable, low-cost beam solution. The Takex America PR-11B photoelectric beam detector is engineered for security professionals who need dependable intrusion detection and easy installation. With one-sided wiring the PR-11B eliminates the need to run cables to both ends of a beam run — reducing labor and simplifying retrofits for fences, gates and building exteriors.

This reflective infrared sensor delivers strong immunity to ambient light through double-modulated beams and built-in compensation, ensuring stable performance in sunlight, vehicle headlights and mixed lighting. It supports up to 36' outdoor and 49' indoor detection ranges and operates on 10.5–30 VDC with both N/O and N/C relay outputs for straightforward integration into alarm, access control and monitoring systems. Fine-tune coverage using horizontal/vertical lens adjustment, attenuation sheets for different environments, and an adjustable response time (0.05–0.7 s).

Ideal for perimeter security, surveillance installs and facility monitoring, the PR-11B balances accuracy with fast deployment. Order the Takex PR-11B to streamline installation and strengthen your security architecture today.

• One-sided wiring cuts installation time and labor costs — ideal for hard-to-reach or retrofitted perimeter runs
• Robust ambient-light immunity (double-modulated infrared) for reliable operation in sunlight, headlights and variable lighting
• Adjustable beam alignment and response time (0.05–0.7 s) for precise coverage and fewer false alarms
• Indoor/outdoor ready with two attenuation sheets and IP-suitable housing for flexible surveillance and monitoring placements
• Wide compatibility with 10.5–30 VDC power and N/O & N/C relay outputs for seamless integration with access control and alarm panels
• Long-range coverage: up to 36' outdoors and 49' indoors to protect gates, fences, driveways and building perimeters