Overview
The Sick ET3-P5728 proximity switch is a robust industrial sensor designed for precision object detection and process monitoring in manufacturing and logistics environments. This model represents Sick’s proven lineup of proximity sensors engineered for reliable performance in demanding control applications. The ET3-P5728 offers straightforward integration into existing automation systems with durable construction suitable for continuous operation in production facilities.
Key Features
- Industrial-grade proximity detection for metal and non-metal object sensing
- Compact form factor enabling flexible mounting in space-constrained applications
- Robust design rated for harsh factory environments
- Standard electrical interface compatible with control system inputs
- Reliable switching action for process monitoring and safety applications
Technical Specifications
The following specifications apply to the Sick ET3-P5728:
- Manufacturer: Sick AG
- Model Number: ET3-P5728
- Part Number (Alternative): 1047939
- Product Type: Proximity Switch / Sensor
- Sensing Technology: Energetic IR photoelectric
- Connector Type: M8 4-pin connector
- Output Type: NPN or PNP (verify with system configuration)
- Operating Temperature Range: -10°C to +50°C (standard industrial)
- Protection Class: IP67 (dust and water resistant)
- Condition: New in Box
Typical Applications
- Part and object detection on conveyor systems
- Position sensing in assembly automation
- Machine safeguarding and safety gate interlocks
- Production line monitoring and material handling
- Process control and machine tool integration
- Packaging machinery control and sequencing
Compatibility & Replacements
Compatible With
- Allen-Bradley control systems and CompactLogix/ControlLogix platforms
- Siemens S7 series PLCs and TIA Portal programming environment
- Mitsubishi FX and Q series programmable controllers
- Omron CS/CJ series PLCs and Sysmac systems
- Schneider Electric M241 and EcoStruxure platforms
- Industrial automation networks using standard 24 VDC inputs
- Safety relay circuits and hardwired control panels
Replaces / Drop-In Replacement For
The Sick ET3-P5728 (1047939) is a discontinued model. For direct replacement, consult Sick’s current product lineup or verify compatibility with your system integrator. Common Sick proximity switch families that may serve similar applications include the ET3 series variants and modern ET4 series sensors.
Works With
- EtherNet/IP networks (via appropriate gateway/coupler if required)
- PROFIBUS and PROFINET industrial communication protocols
- Hardwired control logic and traditional relay-based systems
- Standard 24 VDC power distribution in industrial control cabinets
- M8 connectors and standard industrial connector ecosystems
