E3JK-R4M1 Square Reflex Light Barrier Sensor
Premium Retro-Reflective Photoelectric Switch | DC 12-24V | Relay Output
Key Product Features
- Advanced Mirror Reflection Detection: Emits an intense infrared beam that bounces off the included reflector. Any physical interruption immediately triggers the onboard relay, achieving a maximum detection range of up to 4 meters.
- Integrated SMT Technology: Built with premium surface mounting technology (SMT) and advanced integrated circuits, offering excellent anti-interference, high regional stability, and intelligent self-diagnosis capabilities.
- Adjustable Sensing Distance: Features a high-precision top adjustment screw allowing you to calibrate the range between 10cm to 400cm. Equipped with a bright LED indicator to display real-time switching status.
- Flexible Relay Output (NO/NC): Provides both Normally Open (NO) and Normally Closed (NC) wiring options, ensuring vast compatibility with different automation frameworks and control boards.
- Robust Installation & Wiring Safety: Comes with a heavy-duty metal mounting bracket for firm placement. Includes high-quality 2-meter soft cables equipped with built-in polarity and reverse wiring protection.
Target Users & Applications
Ideal For Who?
- Automation Engineers: Perfect for upgrading conveyor belts, counting lines, and industrial machinery.
- Gate Installers: Essential safety sensor for motorized residential gates and commercial doors.
- DIY Electronics Makers: A reliable choice for building custom smart home barriers and security systems.
Typical Applications
- Garage Doors & Gates: Functions as an anti-crush safety barrier for automated gates and rolling doors.
- Industrial Automation: Monitors item positions, senses entry/exit points, and handles parts tracking.
- Home & Garden Security: Deploys along access paths to detect intruders and trigger external alarms.
Why Choose Our Photoelectric Sensor
1. Wide Range Precision Adjustment
Unlike fixed-range retroreflective sensors that limit your installation layout, our sensor's top dial allows you to finely tune the sensing path from 10cm right up to 4 meters. You get absolute control over your detection boundaries.
2. Industrial-Grade Reliability & Anti-Interference
Engineered to handle tough environments, the high-grade ABS shell combined with integrated circuits effectively shields the internal mechanism against heavy ambient light interference and electrical noise, ensuring zero false alarms.
3. Complete Ready-to-Install Kit
We save you time and extra shopping trips. While others sell only the bare sensor, our package is a complete solution, pre-bundled with a dedicated premium reflector, a rugged metal bracket, and matching mounting screws.
Technical Specifications
| Technical Parameter | Specification Configuration Details |
|---|---|
| Model / Material | E3JK-R4M1 / High-Grade Durable ABS Shell |
| Detection Method | Retro-Reflective Type (Mirror Reflection with Reflector) |
| Operating Voltage | 12V to 24V DC Compatible |
| Output Configuration | Relay Output (Supports both Normally Open & Normally Closed) |
| Adjustable Sensing Distance | 100 mm to 4000 mm (10 cm to 400 cm) via top screw |
| Built-in Cable Length | 2 Meters High-Quality Soft Wire |
| Ambient Operating Temp | -30°C to +65°C (Ideal for varied UK climates) |
| Sensor Dimensions | 5 x 5 x 2 cm |
What's In The Box?
| 1 * E3JK-R4M1 Photoelectric Switch (2m Cable) | 1 * High-Efficiency Reflector Panel |
| 1 * Heavy-Duty Metal Mounting Bracket | 2 * Dedicated Mounting Screws |