Photoelectric retro-reflective sensor | 24–230VAC/DC | 0–4m | IP64
Code: ESE3JK-RR12Universal photoelectric sensor with retro-reflective detection type, designed for object detection up to 4 meters. Operates on both AC and DC power supply. This optical sensor features convenient light/dark mode switching, bright LED status indicators, a 5-wire relay output, and a high level of reliability. Ideal for industrial and automation applications requiring precise object detection.
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Technical Specifications:
Detection type: Retroreflective
Sensitivity adjustment: Single-turn regulator
Sensing distance: 0 – 4 m (with reflector)
Power supply: 24–230 V AC/DC (universal)
Light source: Red LED, 624 nm wavelength
Operating modes: Light-ON / Dark-ON selectable
Control output: Relay, 5-wire output
Response time: ≤ 20 ms
Power consumption: Max. 2 W
Service life:
Electrical: ≥ 100,000 operations (1800 ops/hr)
Mechanical: ≥ 50 million operations (18,000 ops/hr)Ambient light resistance:
Incandescent lamp: up to 3,000 lx
Sunlight: up to 11,000 lxDirectional angle: Min. 1.5°
Protection rating: IP64 (dust and splash-proof)
Indicators:
Orange – operation indicator
Green – stability indicatorConnection: Wired model with 2 m cable
Housing: Square, environment-resistant
Functions:
Object detection up to 4 m with reflector
Compatible with both AC and DC power supplies
Selectable light/dark operation mode for flexible use
Fast response time (20 ms)
Easy installation with wired connection
Long mechanical and electrical lifespan
Sensitivity adjustable with one-turn knob
Visual indicators for quick status check
Applications:
Industrial automation and conveyor control
Object detection on transport lines
Automatic door and gate controllers
Packaging, sorting, and production lines
Warehousing and logistics systems
Robotics and assembly systems
Pros:
Universal power supply (24–230V AC/DC)
Long sensing distance up to 4 meters
Light/Dark mode switching – flexible use
Compact and IP64-rated durable housing
Visual LED indicators – easy diagnostics
Long mechanical and electrical lifespan
Simple installation, no complex programming
Cons:
Requires reflector – not suitable for all environments
Response time not ultra-fast (20 ms not ideal for very rapid processes)
No advanced features like smart background suppression
Relay-only output – not suitable for some analog systems
Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.This product is marked with the CE label, which confirms that it complies with all applicable European Union directives and regulations. CE marking is not just a formality – it is an important indicator of quality and safety, ensuring that the product has been properly assessed, tested, and can be safely used throughout the EU market.
CE certification means that the product has been evaluated according to the main criteria:
Safety requirements – ensures that the product does not pose a risk to the user or the environment
Electromagnetic compatibility (EMC) – the device does not interfere with other equipment and is resistant to external disturbances
Environmental standards – complies with current ecological and material usage requirements
Operational reliability – the product is suitable for long-term use according to its intended purposeCE marking allows this product to:
be legally supplied and used in all European Union countries
ensure a high level of quality and safety
be used in residential, commercial, and industrial environmentsThe CE mark is a declaration of the manufacturer’s responsibility, confirming that the product complies with all applicable standards and has been assessed according to EU legislation.
What does this mean for you as a buyer?
Safe use in everyday activities
Reliable performance and reduced risk of failure
Compliance with EU standards and requirements
Suitability for professional solutions
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