Description
Product Overview
The Seco-Larm E-936-S45RRGQ retro reflective photoelectric beam sensor is engineered for high‑reliability detection across a broad range of industrial and commercial applications. With a maximum sensing distance of 45 feet (14 meters), this sensor can monitor large open spaces, entryways, and perimeter zones with precision. Its IP66‑rated enclosure guarantees full protection against dust, water jets, and harsh weather, making it suitable for both indoor installations and exposed outdoor environments. The unit operates on a corded electric power source, eliminating the need for battery replacements and ensuring continuous performance. The compact dimensions of 1.54″ D × 0.81″ W × 2.48″ H and a weight of just over a pound allow flexible mounting on poles, walls, or brackets, while the pre‑wired 6‑foot (1.8 m) cable simplifies wiring and reduces setup time.
Usage
Designed for versatility, this beam sensor excels in a variety of security and automation scenarios. It can be integrated into traditional alarm systems to trigger alerts when the invisible infrared beam is interrupted, providing an effective deterrent for intruders. In lighting control applications, the sensor can activate or deactivate exterior floodlights, pathway illumination, or garage door lighting based on presence detection, conserving energy while enhancing safety. Smart‑home hubs and home automation platforms can also leverage the sensor’s output to coordinate with door locks, gate operators, and environmental controls, creating a seamless, interconnected environment. The adjustable sensing range—from as close as 6 inches to the full 45 feet—allows users to fine‑tune detection zones for specific use cases, such as monitoring narrow doorways, wide gate openings, or long corridors. Its robust construction ensures reliable operation in temperatures up to 131 °F, making it ideal for outdoor installations exposed to direct sunlight or fluctuating weather conditions.
Why Choose Us
When selecting a photoelectric beam sensor, reliability, durability, and ease of integration are paramount. Seco-Larm brings decades of expertise in industrial safety components, and the E‑936‑S45RRGQ model reflects that heritage through meticulous design and rigorous testing. The IP66 rating not only meets but exceeds industry standards for water and dust resistance, ensuring uninterrupted performance even in the most demanding environments. The sensor’s pre‑wired power cable reduces installation complexity and eliminates the ongoing cost of battery maintenance, delivering a cost‑effective solution over the product’s lifespan. Additionally, the device is certified for use with gate operators that require a 10‑ohm resistor, providing added flexibility for customers who need to interface with a variety of control hardware. Seco-Larm also offers comprehensive technical support and a responsive after‑sales service team, ready to assist with configuration, troubleshooting, and warranty claims, reinforcing confidence in the long‑term reliability of the product.
Key Features
- Long‑range detection up to 45 feet (14 m) for extensive coverage areas.
- IP66 weatherproof housing protects against dust, water jets, and extreme temperatures.
- Pre‑wired 6‑foot cord simplifies installation and eliminates battery replacement.
- Adjustable sensing distance from 6 inches to full range for precise zone control.
- Dedicated customer support and warranty service for peace of mind.
FAQ
What type of power source does the sensor require?
The sensor is powered by a corded electric source and comes with a 6‑foot pre‑wired cable, so no batteries are needed.
Can the sensor be used outdoors?
Yes. Its IP66 rating makes it fully weatherproof, allowing reliable operation in rain, snow, dust, and temperatures up to 131 °F.
How do I adjust the sensing range?
The sensor includes a built‑in potentiometer that lets you set the detection distance anywhere between 6 inches and 45 feet, ensuring optimal performance for your specific application.
Is the sensor compatible with smart‑home systems?
Absolutely. The sensor’s output can be connected to most smart‑home hubs, lighting controllers, and security panels, enabling integration with automated routines and remote monitoring.
What warranty does Seco‑Larm provide?
Seco‑Larm offers a standard one‑year limited warranty covering manufacturing defects, along with access to technical support for installation and troubleshooting.






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