Pay in 4 interest-free payments of $17.00 Learn more
Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
Safety Compliance: Requires monitored entrapment protection devices (Type B1 or B2) and complies with ANSI/CAN/UL 325 standards
Convenient Maintenance: Modular design with easy access to limit switch adjustment
Convenient Packaging: Sold in quantities of ten
Designed specifically for DoorKing 1810 telephone entry systems
Infrared LED Technology – Provides accurate object detection with minimal interference
Seco-Larm E-931-S35RRQ Photoelectric Sensor, 35 ft electromechanical Safety Compliance: Requires monitored entrapmentRetro Reflective Beam Sensor for Gate, Door, and Entry Detection The SECO LARM E 931 S35RRQ is a retro reflective photoelectric beam sensor from the ENFORCER line, designed to detect any object that breaks the infrared beam between the sensor unit and its included square reflector. In gate and access control applications, the sensor mounts on one side of the opening while the reflector mounts on the opposite side; when a vehicle, pedestrian, or object
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