S18-2 18mm Plastic Barrel Sensors

Banner Engineering S18-2 18mm Plastic Barrel Sensors are photoelectric sensors for high-volume and cost-sensitive applications. These Banner 18mm barrel sensors feature a powerful and bright visible red emitter beam for easy alignment and setup. The S18-2 includes highly visible output and dual-function power and stability indicators. The series provides stable detection in the presence of fluorescent lights for non-through-beam applications. The sensors operate over a -40°C to +70°C temperature range. A robust 250° adjustment potentiometer is available on select models.

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Industrial Automation
Sensors & Transducers
Photoelectric Sensors

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Banner Engineering Photoelectric Sensors S18-2 Series: Fixed Field; Range: 50 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) 4-pin M12 PVC Pigtail QD
Datasheet
1In Stock
Rp2.164.828
Min.: 1
Mult.: 1
Background Suppression 50 mm Red LED Complementary PNP-LO/DO Cable with Connector 150 mm M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Non-Polarized Retroreflective with Pot; Range: variable to 7.5 m; Input: 10-30 V dc; Outputs: Complementary PNP; 4-pin M12 Integral QD
Datasheet
5In Stock
Rp1.642.150
Min.: 1
Mult.: 1
Retroreflective 7.5 m Red LED Complementary PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Non-Polarized Retroreflective with pot; Range: variable to 7.5 m; Input: 10-30 V dc; Outputs: complementary NPN; 2 m 4-conductor PVC Cable
Datasheet
1In Stock
Rp1.632.794
Min.: 1
Mult.: 1
Retroreflective 7.5 m Red LED Complementary NPN-LO/DO Cable 2 m 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Fixed Field; Range: 30 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 4-pin M12 Integral QD
Datasheet
1In Stock
Rp1.999.714
Min.: 1
Mult.: 1
Background Suppression 30 mm Red LED Complementary PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Fixed Field; Range: 200 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 150 mm (6 in) 4-pin M12 PVC Pigtail QD
Datasheet
1In Stock
Rp2.164.828
Min.: 1
Mult.: 1
Background Suppression 200 mm Red LED Complementary NPN-LO/DO Cable with Connector 150 mm M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Fixed Field; Range: 200 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) 4-pin M12 PVC Pigtail QD
Datasheet
1In Stock
Rp2.164.828
Min.: 1
Mult.: 1
Background Suppression 200 mm Red LED Complementary PNP-LO/DO Cable with Connector 150 mm M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Diffuse Reflective; Range: 750 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 4-pin M12 Integral QD
Datasheet
39In Stock
Rp1.155.798
Min.: 1
Mult.: 1
Diffuse 750 mm Red LED Complementary PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Diffuse Short Range Reflective; Range: 300 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 4-pin M12 Integral QD
Datasheet
1In Stock
Rp1.155.798
Min.: 1
Mult.: 1
Diffuse 300 mm Red LED Complementary NPN-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Diffuse Short Range Reflective; Range: 300 mm; Input: 10-30 V dc; Outputs: complementary PNP; 2 m 4-conductor PVC Cable
Datasheet
1In Stock
Rp1.155.798
Min.: 1
Mult.: 1
Diffuse 300 mm Red LED Complementary PNP-LO/DO Cable 2 m 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Diffuse Short Range Reflective; Range: 300 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 4-pin M12 Integral QD
Datasheet
4In Stock
1Expected 28/10/2026
Rp1.155.798
Min.: 1
Mult.: 1
Diffuse 300 mm Red LED Complementary PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Fixed Field; Range: 200 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 4-pin M12 Integral QD
Datasheet
6In Stock
Rp1.999.714
Min.: 1
Mult.: 1
Background Suppression 200 mm Red LED Complementary PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Fixed Field; Range: 50 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 4-pin M12 Integral QD
Datasheet
4In Stock
Rp2.002.282
Min.: 1
Mult.: 1
Background Suppression 50 mm Red LED Complementary PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Fixed Field; Range: 75 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 4-pin M12 Integral QD
Datasheet
2In Stock
Rp1.999.714
Min.: 1
Mult.: 1
Background Suppression 75 mm Red LED Complementary PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Polarized Retroreflective; Range: 6 m; Input: 10-30 V dc; Outputs: Complementary PNP; 4-pin M12 Integral QD
Datasheet
2In Stock
Rp1.632.794
Min.: 1
Mult.: 1
Retroreflective 6 m Red LED Complementary PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Receiver; Range: 25 m; Input: 10-30 V dc; Outputs: Complementary PNP; 4-pin M12 Integral QD
Datasheet
4In Stock
2Expected 28/10/2026
Rp1.210.286
Min.: 1
Mult.: 1
Opposed Receiver 25 m Red LED Complementary PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Receiver with pot; Range: variable to 25 m; Input: 10-30 V dc; Outputs: Complementary PNP; 4-pin M12 Integral QD
Datasheet
4In Stock
2Expected 19/10/2026
Rp1.100.760
Min.: 1
Mult.: 1
Opposed Receiver 25 m Red LED Complementary PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Emitter; Long Range; Range: 25 m; Input: 10-30 V dc; Outputs: none; 4-pin M12 Integral QD
Datasheet
5In Stock
Rp825.570
Min.: 1
Mult.: 1
Opposed Emitter 25 m Red LED Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Diffuse Short Range Reflective; Range: 300 mm; Input: 10-30 V dc; Outputs: complementary NPN; 2 m 4-conductor PVC Cable
Datasheet
1Expected 19/10/2026
Rp1.177.079
Min.: 1
Mult.: 1
Diffuse 300 mm Red LED Complementary NPN-LO/DO Cable 2 m 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Diffuse Reflective; Range: 750 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) 4-pin M12 PVC Pigtail QD
Datasheet
5Expected 05/10/2026
Rp1.357.604
Min.: 1
Mult.: 1
Diffuse 750 mm Red LED Complementary PNP-LO/DO Cable with Connector 150 mm M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Fixed Field; Range: 100 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 4-pin M12 Integral QD
Datasheet
5In Stock
Rp2.067.044
Min.: 1
Mult.: 1
Background Suppression 100 mm Red LED Complementary PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Polarized Retroreflective with pot; Range: variable to 6 m; Input: 10-30 V dc; Outputs: Complementary PNP; 4-pin M12 Integral QD
Datasheet
5Expected 19/10/2026
Rp1.632.794
Min.: 1
Mult.: 1
Retroreflective 6 m Red LED Complementary PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Emitter with Beam Inhibit Input; Range: 25 m; Input: 10-30 V dc; Outputs: none; Input: Beam Inhibit; 2 m 3-conductor PVC Cable
Datasheet
Non-Stocked Lead-Time 3 Weeks
Rp880.608
Min.: 1
Mult.: 1
Opposed Emitter 25 m Red LED Cable 2 m 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Emitter with Beam Inhibit Input; Range: 25 m; Input: 10-30 V dc; Outputs: none; Input: Beam Inhibit; 4-pin M12 Integral QD
Datasheet
Non-Stocked Lead-Time 3 Weeks
Rp880.608
Min.: 1
Mult.: 1
Opposed Emitter 25 m Red LED Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Emitter; Long Range; Range: 25 m; Input: 10-30 V dc; Outputs: none; 2 m 2-conductor PVC Cable
Datasheet
Non-Stocked Lead-Time 3 Weeks
Rp850.337
Min.: 1
Mult.: 1
Opposed Emitter 25 m Red LED Cable 2 m 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors S18-2 Series: Emitter; Long Range; Range: 25 m; Input: 10-30 V dc; Outputs: none; 150 mm (6 in) 4-pin M8 PVC Pigtail QD
Datasheet
Non-Stocked Lead-Time 7 Weeks
Rp990.684
Min.: 1
Mult.: 1
Opposed Emitter 25 m Red LED Cable with Connector 150 mm M8 4 Pin 10 VDC 30 VDC - 40 C + 70 C