During technical comparisons, BJX300-DDT appears alongside Autonics Proximity Sensor, Autonics Tcn4 Series and Autonics Brqm20M Tdta P so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Autonics BJX300-DDT Photoelectric Sensor
The Autonics BJX300-DDT Photoelectric Sensor offers Diffuse reflective type sensing type, 300mm, Red LED(660nm), NPN open collector output, 10-30VDC 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 | BJX300-DDT |
Autonics BJX300-DDT 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 | 10-30VDC |
| 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 60β, storage: -40 to 70β |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Protection structure | IP65(IEC standard) |
| Connection type | Γ4mm, 3-wire, 2m (emitter of through-beam type: Γ4mm, 2-wire, 2m)(AWG26, core diameter: 0.52mm, number of cores: 20, insulator out diameter: Γ1mm) |
| Material | γCase: polycarbonateγLED CAP: polycarbonateγLens, Lens cover: polymethyl methacrylate |
| Accessories_Common | Mounting bracket, M3 bolt: 2, adjustment screwdriver |
| Hysteresis(distance) | Max. 20% of sensing distance |
| Weight | Approx. 100g(approx. 50g) |
The Autonics BJX300-DDT Photoelectric Sensor offers dependable short-range detection with a 300mm sensing distance, diffuse reflective design, NPN output, and 1ms response time. As part of the Autonics BJX Series, it is used across industrial automation applications requiring consistent sensing on varying surfaces.
This sensor is suitable for conveyors, packaging equipment, assembly stations, and material handling tasks where stable diffuse detection is essential. Its Light ON/Dark ON selection enhances compatibility with different control configurations, while the red LED source ensures reliable performance across contrasting object types. The reinforced cable design supports long operating cycles in demanding industrial environments.
The Autonics BJX300-DDT Photoelectric Sensor delivers consistent performance through its 300mm range, red LED source, diffuse reflective sensing, and NPN open collector output. As a BJX Series model, it ensures reliable operation for engineers requiring accuracy and repeatability in industrial automation. Its durable construction makes it suitable for continuous-duty detection tasks across multiple sectors.




