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Autonics BJ300-DDT-P Photoelectric Sensor
The Autonics BJ300-DDT-P Photoelectric Sensor offers Diffuse reflective type sensing type, 300mm, Red LED(660nm), PNP 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 | BJ300-DDT-P |
Autonics BJ300-DDT-P Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing type | Diffuse reflective type |
| Sensing distance | 300mm |
| Sensing target | Opaque, Translucent material |
| Response time | Max. 1ms |
| 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 | PNP open collector |
| Environment_Ambient illumination | Sunlight: Max. 11,000lx, Incandescent lamp: Max. 3,000lx (received illumination) |
| Environment_Ambient temperature | -25 to 55β, storage: -40 to 70β |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Protection structure | IP65 |
| Connection type | Cable type(Γ3.5, 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_Common | Fixing bracket, M3 Bolts: 2, M3 Nuts: 2, Adjuster driver |
| Hysteresis(distance) | Max. 20% of sensing distance |
| Weight | Approx. 70g (approx. 45g) |
The Autonics BJ300-DDT-P Photoelectric Sensor combines 300mm sensing distance, 1ms response time, and a PNP output for consistent detection in industrial automation environments. This model uses a Red LED (660nm) light source and is part of the BJ Series under the Autonics brand. Its specifications support stable presence detection across automated machinery and material-handling systems.
This sensor is suitable for conveyors, packaging machines, assembly stations, and general-purpose automation equipment. The diffuse reflective sensing method ensures stable target detection, while the selectable Light ON/Dark ON operation improves control flexibility. With its cable-type wiring and 12β24VDC supply, the device integrates easily into machine panels and production equipment requiring reliable sensing.
The Autonics BJ300-DDT-P Photoelectric Sensor delivers 300mm detection, dependable PNP output, and Red LED illumination, making it suitable for continuous industrial applications. As part of the BJ Series offered by the Autonics brand, it maintains consistent sensing performance in automated systems. Engineers can rely on this model for applications requiring stable detection, straightforward wiring, and dependable operational characteristics.




