High-Precision Long-Range Detection: BALLUFF BOS 50K-PA-1QD-E4-C-S4 (BOS00WF) Through-Beam Photoelectric Sensor

Key Technical Specifications
  • Brand: BALLUFF (Germany)
  • Global Order Code: BOS00WF
  • Model Number: BOS 50K-PA-1QD-E4-C-S4
  • Sensor Type: Photoelectric Through-Beam Sensor (Receiver Module)
  • Sensing Range (\(s_{n}\)): 0 … 20 meters (When paired with the matching transmitter)
  • Light Type: Infrared light (High ambient light immunity)
  • Output Interface: PNP, Normally Open / Normally Closed (NO/NC) selectable via switch
  • Operating Voltage: 10 … 30 V DC
  • Housing Material: Impact-resistant PC/ABS (Rugged compact block design)
  • Connection Type: M12 connector, 4-pin (S4)
  • Ingress Protection: IP67 rated (Dust-tight and water-resistant)
Category:
High-Precision Long-Range Detection: BALLUFF BOS 50K-PA-1QD-E4-C-S4 (BOS00WF) Through-Beam Photoelectric Sensor
In large-scale logistics centers, heavy machinery assembly, and automated packaging lines, maintaining stable object tracking over long distances is a massive operational challenge. Standard sensors often fail due to signal attenuation, ambient light interference, or dust buildup. For global procurement managers, system integrators, and machinery OEMs looking for uncompromised, long-range accuracy, the BALLUFF BOS 50K-PA-1QD-E4-C-S4 (Global Ordering Code: BOS00WF) through-beam photoelectric receiver is the industry-standard solution.
As part of Balluff’s premium BOS 50K heavy-duty block series, this sensor is engineered to provide flawless metal, plastic, and opaque object detection over massive distances.

Why Global Buyers Choose BOS00WF
1. Massive 20-Meter Through-Beam Operating Range
Unlike diffuse or retroreflective sensors that struggle with signal loss over long paths, the through-beam principle uses a separate transmitter and receiver face-to-face. The BOS00WF receiver tracks targets across a massive 20-meter span, making it the absolute ideal choice for wide conveyor networks, automated overhead cranes, and large gate access points.
2. High-Performance Infrared Light & Dust Penetration
Industrial woodshops, metal foundries, and packaging facilities are constantly filled with airborne dust and debris. This sensor utilizes an infrared light source that cuts through harsh, airborne particulate matter and heavily polluted environments much more effectively than visible red light, preventing false triggers and keeping your lines running safely.
3. Rugged Block Housing with IP67 Seal
Built from a heavy-duty blend of PC and ABS polymers, the BOS 50K series housing absorbs heavy vibrations, structural shocks, and mechanical friction. Holding a full IP67 rating, it is completely sealed against aggressive high-pressure water jets and fine industrial grime, removing the need for expensive secondary protective enclosures.

Related Product Selection Guide
To help you design a complete through-beam sensor barrier loop or bundle your warehouse order, Balluff offers matching transmitters and alternative interfaces within the 50K block family. Below are the highly recommended models frequently ordered alongside the BOS00WF:

Order Code Model Number Sensor Component Operating Range Output / Connection Type
BOS00WF BOS 50K-PA-1QD-E4-C-S4 Through-Beam Receiver 0…20 Meters PNP NO/NC, M12 Plug
BOS00WC BOS 50K-X-1QD-E4-C-S4 Through-Beam Transmitter 0…20 Meters M12 Plug (Matching Emitter)
BOS00WE BOS 50K-NA-1QD-E4-C-S4 Through-Beam Receiver 0…20 Meters NPN NO/NC, M12 Plug
BOS00WL BOS 50K-PA-1HA-E4-C-S4 Diffuse (Background Suppression) 200…2000 mm PNP NO/NC, M12 Plug (Single block solution)
BCC00U8 BCC M415-0000-1A-003-PX0434-020 Connection Cable N/A M12 Female 4-pin, 2m PUR jacket


Target Applications
  • Automated Warehousing & Logistics: Tracking large pallets, luggage trays, and shipping crates across wide sorting tracks.
  • Overhead Crane Position Monitoring: Serving as a reliable safety light barrier to prevent multi-axis crane collisions in heavy assembly bays.
  • Woodworking and Textile Production: Flawless detection of boards and fabric rolls under thick conditions of airborne sawdust and lint.
  • Industrial Gate and Door Security: Building highly reliable, long-distance perimeter protection grids for automated vehicle depots.

Your Trusted B2B Industrial Sourcing Partner
We are an experienced global exporter specializing in genuine factory automation and industrial sensor solutions. Partnering with us for your Balluff volume requirements grants your business distinct commercial advantages:
  • 100% Genuine Balluff Goods: Dispatched brand-new in original factory packaging with fully intact, traceable order codes (BOS00WF) and unique manufacturer serial batches.
  • Highly Competitive Wholesale Quotes: Flexible tiered B2B pricing models optimized to support international distributors, machine builders, and EPC project managers.
  • Fast Worldwide Express Logistics: Reliable priority shipping via DHL, FedEx, UPS, or custom air/sea freight configurations with professional customs clearing paperwork.
  • Complete System Matching: Fulfill your complete engineering Bill of Materials (BOM) by bundling your receivers with matching Balluff emitters, M12 connection cords, and heavy-duty adjustable mounting brackets.

Contact Us for a Fast Bulk Quote Today
Keep your long-range automated systems operating with absolute precision and zero down-time with a stable supply of the Balluff BOS00WF (BOS 50K-PA-1QD-E4-C-S4). Reach out to our international sales desk right now to verify stock status, obtain technical drawings, or request a custom wholesale price quote.
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