Many engineers reviewing Autonics BJ50-BDT also explore Autonics Proximity Sensor, Autonics Tcn4 Series and Autonics Brqm20M Tdta P, ensuring they don’t miss strong alternatives before finalizing procurement decisions.
Autonics BJ50-BDT Photoelectric Sensor
The Autonics BJ50-BDT Photoelectric Sensor offers BGS reflective type sensing type, 10 to 50mm, Red LED(660nm), NPN open collector output, 12-24VDC power supply. Manufactured by Autonics under the Autonics Photoelectric Sensors category, this model belongs to the Autonics BJ Series.

| Brand | Autonics |
| Product Type | Photoelectric Sensor |
| Model Number | BJ50-BDT |
Autonics BJ50-BDT Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing type | BGS reflective type |
| Sensing distance | 10 to 50mm |
| Sensing target | Opaque, Translucent material |
| Response time | Max. 1.5ms |
| Light source | Red LED(660nm) |
| Sensitivity adjustment | Sensitivity adjuster |
| Operation mode | Light ON/Dark ON(set by switch) |
| Power supply | 12-24VDC |
| Current consumption | Max. 30mA |
| Control output | NPN open collector |
| Environment_Ambient illumination | Sunlight: Max. 11,000lx, Incandescent lamp: Max. 3,000lx (received illumination) |
| Environment_Ambient temperature | -25 to 55℃, storage: -40 to 70℃ |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Protection structure | IP65 |
| Connection type | Cable type(Ø3.5, 2m) |
| Material | Case: Polycarbonate+Acrylonitrile butadiene styrene, LED Cap: Polycarbonate, Sensing part: Polymethyl methacrylate,Bracket: SUS304(steel use stainless 304), Bolt: Steel chromium molybdenum, Nut: Steel chromium molybdenum,Sleeve: Brass, Ni-plate |
| Accessories | Fixing bracket, M3 Bolts: 2, M3 Nuts: 2, Adjuster driver |
| Hysteresis(distance) | Max. 10% of sensing distance |
| Min. diameter of transmitting spot | Approx. Ø4.5mm |
| Weight | Approx. 50g |
The Autonics BJ50-BDT Photoelectric Sensor is a compact sensing device designed for stable short-range detection in industrial automation. The unit features a 10–50mm sensing distance, BGS reflective type, NPN control output, and red LED (660nm) light source for consistent performance. As part of the Autonics BJ Series, it supports precise object detection requirements commonly used across automated environments in India.
This sensor is suitable for conveyors, packaging systems, assembly machinery, and compact industrial equipment requiring dependable object presence detection. Its selectable Light ON/Dark ON mode and fast 1.5ms response help maintain stable operation in repetitive automation tasks. The cable-type connection and 12–24VDC power compatibility make integration simple for engineers seeking practical, reliable sensing components.
The Autonics BJ50-BDT Photoelectric Sensor combines accurate short-range detection, stable output characteristics, and proven brand reliability. With its BGS reflective sensing, 10–50mm range, and NPN output, it fits well into diverse industrial automation setups. As a trusted option within the Autonics BJ Series, it supports consistent detection performance for users requiring dependable sensing in demanding environments.




