SICK WLL24 Series Fiber-Optic Sensor

ATEX-rated for explosive environments with zinc die-cast enclosure. Up to 40mm sensing range max with proximity system configurations. Potentiometer adjustment.

This model has 2 variants.
Effective April 28th, 2025 SICK has added a 7.7% surcharge for all of their products. The surcharge will appear as a separate line item on each sales order.
Part Number
  • WLL24 Series
Highlights...

Features

  • Light: visible red
  • Sensing range max: up to 40mm (with proximity system)
  • Output type: EN 60947-5-6 (NAMUR)
  • Switching mode: light/dark
  • Adjustment: potentiometer
  • Housing:
    • zinc die-cast
    • EX II 2G Ex ia op is IIC T4, according to Directive 94/9/EC (ATEX)
    • IP65-rating
  • Dimensions: 27mm x 87.5mm x 74.7mm
  • Connection: M12 plug or M16 screw connection, rotatable 90°

The SICK WLL24 Series Fiber-Optic Sensor is enclosed in a durable, ATEX 2G-rated zinc die-cast enclosure, built to withstand explosive industrial environments whilst ensuring accurate, reliable detection. The WLL24 offers up to 40mm in its sensing range with proximity system configurations, and up to 25mm with through-beams. Adjustment occurs via integrated potentiometer, with light switching. Intrinsically safe NAMUR amplifiers are available, please contact a Motion World engineer to confirm your application needs.