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PANASONIC / SUNX EX31B Miniature Photoelectric Sensor

The Panasonic SUNX UZB3 series represents a new generation of miniature photoelectric sensors, engineered for ease of use and seamless integration into existing production lines. Their compact design allows for screw mounting in standard M4 (thru-beam) and M6 (reflective) holes, eliminating the need for complex setups. Key features include a single-point tightening mechanism for quick installation, a bright 2-color indicator for clear operational status, and a long sensing range (up to 500mm for thru-beam models). The UZB3 series is ideal for applications such as detecting IC height, checking label quantities, and positioning circuit boards, contributing to improved efficiency and cost-effectiveness in industrial automation processes. The inclusion of a slit mask option further expands their versatility, enabling the detection of very small objects.

Authorized Distributors
Source:DigiKey
Part No:EX-31B
Stock:10
Inv Date:06-11-2026
Price: Unit price: $134
Buy/RFQ:
Part No:EX-31B
Stock:2
Inv Date:06-12-2026
Price: Unit price: $134
Buy/RFQ:
Part No:EX-31B
Stock:0
Inv Date:06-11-2026
Price: Unit price: $144.73
Buy/RFQ:
Part No:EX-31B
Stock:5
Inv Date:06-11-2026
Price: Unit price: $133.33
Buy/RFQ:
Part No:EX-31B
Stock:5
Inv Date:06-11-2026
Price: Unit price: $133.33
Buy/RFQ:

PANASONIC / SUNX EX31B Miniature Photoelectric Sensor Specifications:

  • Sensing Range (Thru-beam): 500mm (19.685inch)
  • Sensing Range (Reflective): 50mm (1.969inch)
  • Output Type (NPN): Open-collector transistor
  • Output Type (PNP): Open-collector transistor
  • Mounting Hole Size (Thru-beam): M4
  • Mounting Hole Size (Reflective): M6
  • Response Speed: 0.5ms
  • Waterproof Rating: IP67
  • Sensitivity Adjuster: Reflective type only
  • EMC Directive: Conforming
  • UL Recognition: Available
  • Slit Mask (Slit size): φ1mm (φ.039inch)
  • Slit Mask (Sensing range): 200mm (7.874inch)
  • Slit Mask (Min. sensing object): φ1mm (φ.039inch) - both sides

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Frequently Asked Questions

Where can I buy PANASONIC / SUNX EX31B?

You can click on the BUY or RFQ button to purchase EX31B from an authorized PANASONIC / SUNX distributor.

How do I troubleshoot issues or seek technical support for part EX31B?

You can download the EX31B datasheet or visit the PANASONIC / SUNX website for support.

Who is the manufacturer of EX31B?

PANASONIC / SUNX

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