Overview
The Allen-Bradley 42SRP-6005-QD is a precision diffuse photoswitch from the 6000 Series product line. This photoelectric sensor delivers dependable object detection and presence monitoring for manufacturing, packaging, and material handling systems. Built for harsh industrial environments, the 42SRP-6005-QD combines robust construction with compact form factor to integrate seamlessly into existing automation architectures.
Key Features
- Diffuse sensing mode for flexible object detection without retroreflectors
- Wide operating voltage range: 20-132V AC/DC for universal compatibility
- 3-meter (9.8 ft) effective sensing distance
- Dark operate logic for safety-critical applications
- Integral quick-disconnect (QD) M12 connector for tool-free mating
- IP67-rated enclosure for dust and moisture protection
Technical Specifications
- Input Voltage: 20-132V AC/DC
- Cable Length: 3 meters (9.8 ft) integral QD connector
- Sensing Range: 3 meters (9.8 ft) diffuse mode
- Operating Mode: Dark Operate (N.O.)
- Enclosure Rating: IP67
- Series: 6000 Series Photoswitch
- Connector Type: M12 quick-disconnect
- Product Series: B (Series B)
Typical Applications
The 42SRP-6005-QD excels in demanding manufacturing environments where object presence detection is critical:
- Assembly line monitoring and part sequencing
- Packaging machinery and filling systems
- Material handling and conveyor control
- Machine guarding and safety interlocks
- Bottle and container detection
- Production workflow automation
Compatibility & Replacements
Compatible With
- Allen-Bradley CompactLogix and ControlLogix PLCs
- Allen-Bradley MicroLogix control systems
- EtherNet/IP industrial networks
- Standard 24 VDC control circuits
- AC/DC mixed-voltage manufacturing environments
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator or control documentation before ordering. The 42SRP-6005-QD is part of the 6000 Series Photoswitch family; check predecessor models in your equipment documentation.
Works With
- Studio 5000 Logix Designer programming environment
- RSLinx Classic and RSLinx Enterprise gateway software
- EtherNet/IP protocol and industrial switches
- Allen-Bradley I/O modules and discrete input cards
- Third-party SCADA and HMI platforms supporting standard photoelectric inputs


















