Products catalog

  • Photoelectric retro-reflective sensor | 24–230VAC/DC | 0–4m | IP64

    Code: ESE3JK-RR12

    Universal 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.

  • 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 lx

    Directional angle: Min. 1.5°

    Protection rating: IP64 (dust and splash-proof)

    Indicators:
    Orange – operation indicator
    Green – stability indicator

    Connection: 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.
  • Alternative products

  • Subscribtion to new arrivals

    privacy policy

    Information