Autonics BJ300-DDT Photoelectric Sensor
Autonics BJ300-DDT Diffuse Photoelectric Sensor (300 mm, NPN/PNP, IP65)
Compact diffuse reflective photoelectric sensor with 300 mm sensing distance and NPN/PNP open-collector output.
Ideal for short-range object detection in packaging machines, conveyors, and OEM automation equipment.
The Autonics BJ300-DDT is a diffuse-reflective photoelectric sensor designed for reliable short-range object detection without the need for a reflector or separate receiver. With a 300 mm sensing distance, compact housing, and NPN/PNP open-collector output, it is widely used in packaging lines, conveyors, and OEM automation machinery.
Key Features
Diffuse reflective sensing type
Sensing distance up to 300 mm
NPN & PNP open-collector outputs
Light-ON / Dark-ON selectable
Built-in sensitivity adjustment
Compact rectangular BJ housing
Stable detection with ambient light immunity
IP65 protection rating
Cable type (standard cable length)
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | BJ300-DDT |
| Sensing Type | Diffuse reflective |
| Sensing Distance | Up to 300 mm |
| Light Source | Infrared LED (~850 nm) |
| Output Type | NPN & PNP open collector |
| Output Mode | Light-ON / Dark-ON |
| Response Time | ≤ 1 ms |
| Supply Voltage | 12–24 VDC ±10% |
| Load Current | ≤ 100 mA |
| Protection Rating | IP65 |
| Operating Temperature | −25 to +55 °C |
Applications
Packaging machines
Conveyor object detection
Counting & positioning systems
Material handling equipment
Compact OEM automation machines
General industrial sensing
What’s in the Box?
Autonics BJ300-DDT Photoelectric Sensor
Mounting bracket (Bracket A)
Adjustment screwdriver
Mounting screws & nuts
Instruction manual
FAQ
Q1. What type of sensor is BJ300-DDT?
It is a diffuse reflective photoelectric sensor.
Q2. What is the maximum sensing distance?
Up to 300 mm, depending on object size and reflectivity.
Q3. Does it support both NPN and PNP outputs?
Yes, it provides both NPN & PNP open-collector outputs.
Q4. Is this suitable for dusty environments?
Yes, with IP65 protection, it is suitable for industrial environments.
Q5. Where is this model commonly used?
In packaging machines, conveyors, and OEM automation equipment.