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Autonics BJ300-DDT-P Photoelectric Sensor
The Autonics BJ300-DDT-P Photoelectric Sensor offers 300mm diffuse reflective sensing with a fast 1ms response time for dependable object detection. This model is part of the Autonics family and included in the Autonics Photoelectric Sensor category. It belongs to the BJ Series and features a Red LED (660nm) source, selectable Light ON/Dark ON mode, PNP open collector output, 12β24VDC supply, and durable cable-type connection.

| 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.
Autonics BJ300-DDT-P People Also Asked Questions
What is the sensing method used in the Autonics BJ300-DDT-P Photoelectric Sensor?
The Autonics BJ300-DDT-P operates on a diffuse reflective sensing principle, using a red LED light source (660 nm) to detect opaque and translucent materials within a 300 mm sensing distance. When light is reflected from the object back to the receiver, the sensor detects its presence with high precision, making it ideal for position detection and part counting applications.
What are the electrical and operational features of the Autonics BJ300-DDT-P?
The BJ300-DDT-P Photoelectric Sensor is powered by a 12β24 VDC supply (Β±10%) and offers a PNP open collector output for flexible connection with controllers and PLCs. It supports both Light ON and Dark ON modes, selectable via an easy-to-use switch. With a fast response time of 1 ms and sensitivity adjustment, it ensures accurate detection even in dynamic industrial setups.
How durable is the Autonics BJ300-DDT-P in industrial environments?
Built for reliability, the Autonics BJ300-DDT-P features a polycarbonate and ABS housing with IP65 protection, providing strong resistance against dust and water splashes. It performs efficiently in temperatures from -25Β°C to 55Β°C and includes mounting accessories like brackets, bolts, and nuts for secure installation. Its rugged design and stable performance make it a dependable choice for automation, packaging, and assembly line applications.







