Omron E3JK-RR12-C | Reliable Long-Distance Retro-Reflective Sensor for Industrial Automation Overview The Omron E3JK-RR12-C is a retro-reflective photoelectric sensor with a 12-meter sensing distance and relay output, designed for accurate object detection in a wide range of industrial applications. It operates with a wide power supply range of 24 to 240 VAC/DC, making it highly versatile and easy to integrate into existing systems. Key Features Sensing Method: Retro-reflective (requires reflector) Sensing Distance: Up to 12 meters with E39-R1 reflector Output Type: Relay (SPDT) Power Supply: 24–240 VAC/DC, universal voltage compatibility Response Time: Fast response time suitable for general automation Enclosure Rating: IP66 for dust-tight and water-resistant operation Mounting Bracket Included: Simplifies installation in various orientations Indicator LEDs: Show power and operation status at a glance Technical Specifications Model: E3JK-RR12-C Sensing Distance: 12 m (with reflector) Light Source: Infrared LED Output Type: Relay SPDT (Form C) Power Supply: 24–240 VAC/DC Response Time: ≤ 20 ms Connection Method: Pre-wired or terminal block depending on variant Enclosure Rating: IP66 Ambient Operating Temperature: –25°C to +55°C Material: ABS housing with polycarbonate lens Mounting: Bracket (included) or surface mount Dimensions: Approx. 50 × 50 × 18 mm Weight: Approx. 150 g Applications Conveyor Systems Packaging Lines Door and Gate Sensors Object Presence Detection Level Monitoring Why Choose Omron E3JK-RR12-C? Long-range sensing for large-area object detection Wide voltage range fits both AC and DC systems Rugged IP66 housing for use in harsh industrial environments Relay output allows direct control of external relays or PLC inputs
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