Authentic Balluff BOS 21M series high-performance retroreflective photoelectric sensor designed for precision industrial automation, material handling, and robotics detection tasks.
Features heavy-duty die-cast zinc housing with polarizing filter optics and complementary PNP switching output (NO/NC) for direct PLC interface integration.
Condition is New without Factory Box (New, surplus unused stock); flawless unit with pristine optics and untouched connection pins, ready for immediate machine commissioning.
Technical Specifications
Brand / Manufacturer: Balluff
Order Code: BOS01Y2
Part / Model Code: BOS 21M-PA-PR10-S4
Sensor Type: Retroreflective Photoelectric Sensor with Polarizing Filter
Sensing Range: Up to 16 m (with standard industrial reflector)
Output Function: PNP Complementary (Normally Open / Normally Closed)
Light Source: Polarized Visible Red Light (LED)
Supply Voltage: 10 – 30 VDC
Connection Interface: Standard M12 Connector, 4-Pin Male
Housing Material: Rugged Die-Cast Zinc / Glass Optical Face
Protection Rating: IP67
Condition & Quality Assurance
Condition: New (Open Box / Surplus No Factory Packaging).







