Before procurement teams confirm BS3-L1M, they typically review Autonics Proximity Sensor, Autonics Bs5 T1M P and Autonics Digital Counter to double-check performance ratings, stock availability, and supplier credibility carefully.
Autonics BS3-L1M Photomicro Sensor
The Autonics BS3-L1M Photomicro Sensor provides 5mm sensing distance using a through-beam type design with an infrared LED source. It operates on a 5-24VDC power supply and offers NPN open collector output with a Γ2.5mm, 4-wire, 1m cable connection for reliable integration. Visit the Autonics brand page, the Autonics Photomicro Sensor category, and the BS3 Series for related models.

| Brand | Autonics |
| Product Type | Photomicro Sensor |
| Model Number | BS3-L1M |
Autonics BS3-L1M Photomicro Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing type | Through-beam type |
| Sensing distance | 5mm |
| Sensing target | Opaque |
| Connection type | Γ2.5mm, 4-wire, 1m |
| Min. sensing target | β₯ 0.8 mm Γ 1.8 mm |
| Hysteresis(distance) | β€0.05mm |
| Response time | Light ON: Max. 20γ², Dark ON: Max. 100γ² |
| Response frequency | 2kHz |
| Light source | Infrared LED |
| Peak emission wavelength | 940nm |
| Operation mode | Light ON/Dark ON(set by control wire) |
| Indicator | Operation indicator (red LED) |
| Power supply | 5-24VDC |
| Current consumption | Max. 15mA |
| Control output | NPN open collector |
| Load voltage | β€ 24VDC@(=) |
| Load current | Max. 50mA |
| Residual voltage | NPN: β€1.2VDC@(=), PNP: β€ 1.2VDC@(=) |
| Protection circuit | Reverse polarity protection circuit, output overcurrent (short-circuit) protection circuit |
| Insulation resistance | β₯20 MΞ© (250 VDC@(=) megger) |
| Noise immunity | The square wave noise (pulse width: 1γ²) by the noise simulator Β±240VDC@(=) |
| Dielectric strength | 1,000VAC 50/60Hz for 1 minute |
| Vibration | 1.5mm amplitude (max. acceleration 196m/sΒ²) at frequency of 10 to 2,000Hz in each X, Y, Z direction for 2 hours |
| Shock | 15,000 m/sΒ² (approx. 1,500G) in each X, Y, Z direction for 3 times |
| Environment_Ambient illumination | Fluorescent lamp: Max. 1,000lx(received illumination) |
| Environment_Ambient temperature | -20 to 55β, storage : -25 to 85β |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Protection structure | IP50 (IEC standard) |
| Connection | Cable type |
| Material | Case: PBT, Sensing part: PC |
| Core | AWG28 (0.08mm), 19-core, insulator out diameter: Γ0.65mm |
| Weight | Approx. 50g |
The Autonics BS3-L1M Photomicro Sensor offers dependable detection performance, with the BS3-L1M model featuring a 5mm sensing distance, through-beam type operation, an infrared LED light source, and a 5-24VDC power supply. As part of the BS3 Series, it supports precise object detection in industrial automation setups, helping maintain consistent machine operation in various sensing applications.
This Autonics model is suited for conveyors, packaging equipment, automated assembly, and small part detection systems. Its stable through-beam sensing reduces false triggers, while the cable-type connection ensures secure installation in tight or moving areas. The BS3-L1M provides reliable performance where accurate presence or object detection directly affects machine control and process timing.
The Autonics BS3-L1M Photomicro Sensor delivers essential capability with its 5mm range, infrared sensing, and NPN output suited for industrial use. The BS3-L1M reinforces Autonics brand reliability by ensuring stable detection in environments demanding repeatable performance. Its compact construction and consistent operation make it a dependable choice for automation systems requiring accurate, long-term sensing.




