Industrial photoelectric sensors
Reliable object detection at an unbeatable price-performance ratio
Our photoelectric sensors from the BOS Entry Line impress with their precise performance, compact design and easy integration into your systems. With a wide range of variants, all optical sensors in this model series offer reliable quality and strong performance - at an attractive price-performance ratio.
BOS Entry Line: Your advantages
Unbeatable price - with the functions you need and the Balluff quality promise.
Robust IP67 housing with 360°-visible LEDs - for a clear status display at a glance.
Simple and time-saving installation - with standard-compliant hole spacing and internal thread.
Environmentally friendly packaging - as single or multiple packs. Ready to hand and ready to use.
Compact sensor design for simple and efficient integration
The photoelectric sensors are housed in a robust, compact cubic housing with a standardized hole spacing. This enables quick and uncomplicated installation. The M3 internal thread ensures flexible mounting options and facilitates adaptations to your individual requirements.
A visible red light spot simplifies alignment of the sensor, while infrared versions work reliably even under difficult environmental conditions. Various connection options, such as M8 connectors with 4-pin or 3-pin, 2 m cable and M8 pigtail variants, offer technical flexibility, ensure seamless integration into existing systems and reduce downtime. The BOS sensors are equipped with a NO/NC switch on the back for easy configuration.
Clearly visible LEDs provide you with immediate visual feedback: green for operating status and stability indication and yellow for switching status. Thanks to these 360°-visible LEDs, you can keep an eye on the status of your sensors at all times, quickly identify errors and increase system availability. The robust plastic housing with protection class IP67 ensures a long service life.
Save time and resources with sustainable packaging
We have continued the proven and popular packaging of the inductive BES Entry Line portfolio. Our environmentally friendly multiple packaging with 20 units saves time and reduces packaging waste. The individual packaging of our products is made from recycled plastic. In addition, you can also order reflectors in practical multi-packs.
Photoelectric sensors for standard applications with market-oriented excellence
The BOS Entry Line portfolio has been specially developed for standard applications with high volumes. It offers reliable performance for a wide range of automation requirements at a cost-effective price - without compromising on quality. With Balluff, you get technology that makes your processes more efficient and reliable.
Wide range of applications for reliable detection
All photoelectric sensors in the BOS Entry Line offer our proven high quality for automation and are reliable solutions for the diverse requirements in industry. Whether optical object detection on conveyor belts, component inspection in production lines or package detection in logistics - the BOS sensors are ideal for indoor applications in standard, non-challenging factory environments such as intralogistics, assembly and handling technology.
Functional principle: diffuse sensor
Functional principle: Retroreflective photoelectric sensor
Functional principle: throughbeam photoelectric sensor
Functional principle: diffuse sensor
Detection of parcels on a conveyor belt
Functional principle: Retroreflective photoelectric sensor
Detection of parcels on a conveyor belt
Functional principle: throughbeam photoelectric sensor
Detection of parcels on a conveyor belt
In short: with the BOS Entry Line portfolio, you get a reliable all-rounder that makes your applications more efficient and economical - and at an unbeatable price-performance ratio.

"You could say it's not just excellent technology at an excellent price, but a great price and excellent technology to boot."
Knut Völker, Expert for optical sensors
Advantages of the BOS Entry Line photoelectric sensors at a glance
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Excellent price-performance ratio: You get exactly the functions you need - at a fair price and with the Balluff quality promise.
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Easy handling: Environmentally friendly multiple packaging ensures efficient storage and removal.
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Compact housing: Compatible with the predecessor series BOS R090K / BOS 5K.
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Quick installation: Easy mounting thanks to M3 female thread - for quicker adaptations to more cost-effective brackets.
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Simple commissioning: 360° indicator LEDs visible from all sides for easy installation and status display
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Optimum configuration: No manufacturer-specific teach routine. Support of all common switching logics: NPN and PNP switching, light and dark switching.
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Electrical connections: A wide range of connection options enable precise adaptation to your specific requirements.
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High switching frequency: Up to 1000 Hz for high performance, precise detection and function reserve.
Standard vs. Entry Line - a price comparison
BOS R072K seriesCubic retro-reflective photoelectric sensor |
BOS R090K seriesCubic retro-reflective photoelectric sensor |
BOS R072K seriesCubic diffuse sensor |
BOS R090K seriesCubic diffuse sensor |
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50,00 EUR
ENTRY LINE
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87,78 EUR
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55,00 EUR
ENTRY LINE
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101,22 EUR
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Order code: BOS02KZ |
Order code: BOS02A3 |
Order code: BOS02JM |
Order code: BOS029M |
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Curious? Here you will find an overview of all variants in the BOS R072K series
29 versions
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Order code
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Price | Principle of optical operation | Dimension | Interface | Range | Light type | Connection | Light type | Actions |
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474.38 CNY
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Through-beam sensor | 12 x 41.4 x 22.7 mm | PNP: NO/NC | 0...20 m | LED, red light | Connector, M8x1-Male, 4-pin | LED, red light | ||
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474.38 CNY
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Through-beam sensor | 12 x 41.4 x 22.7 mm | NPN: NO/NC | 0...20 m | LED, red light | Connector, M8x1-Male, 4-pin | LED, red light | ||
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474.38 CNY
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Through-beam sensor | 12 x 32.4 x 22.7 mm | PNP: NO/NC | 0...20 m | LED, red light | Cable, 2.00 m, TPU | LED, red light | ||
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474.38 CNY
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Through-beam sensor | 12 x 32.4 x 22.7 mm | NPN: NO/NC | 0...20 m | LED, red light | Cable, 2.00 m, TPU | LED, red light | ||
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474.38 CNY
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Through-beam sensor | 12 x 41.4 x 22.7 mm | PNP: NO/NC | 0...20 m | LED, red light | Connector, M8x1-Male, 3-pin | LED, red light | ||
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474.38 CNY
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Through-beam sensor | 12 x 32.4 x 22.7 mm | PNP: NO/NC | 0...20 m | LED infrared | Cable, 2.00 m, TPU | LED infrared | ||
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474.38 CNY
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Through-beam sensor | 12 x 32.4 x 22.7 mm | NPN: NO/NC | 0...20 m | LED infrared | Cable, 2.00 m, TPU | LED infrared | ||
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474.38 CNY
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Through-beam sensor | 12 x 32.4 x 22.7 mm | PNP: NO/NC | 0...20 m | LED, red light | Cable with connector, M8x1-Male, 4-pin, 1.50 m, TPU | LED, red light | ||
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474.38 CNY
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Through-beam sensor | 12 x 32.4 x 22.7 mm | PNP: NO/NC | 0...20 m | LED, red light | Cable with connector, M8x1-Male, 4-pin, 0.30 m, TPU | LED, red light | ||
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431.25 CNY
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Diffuse sensor | 12 x 42.5 x 22.7 mm | PNP: NO/NC | 0 m...800 mm | LED, red light | Connector, M8x1-Male, 4-pin | LED, red light |
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Further BOS model series for high and individual challenges
The BOS Entry Line does not fully meet your requirements? Are you looking for photoelectric sensors for special applications? Discover the right sensor solutions beyond the BOS R072K model series here.