SIEMENS 6ES5902-3SA12 Communication Network Interface Module
The SIEMENS 6ES5902-3SA12 is a robust industrial-grade communication module engineered to optimize data transmission in demanding automation environments. Serving as a critical networking bridge, it enables seamless communication between PLCs, HMIs, and control systems while supporting PROFIBUS-DP and Ethernet protocols for real-time industrial applications.
Technical Specifications
| Manufacturer | SIEMENS |
| Model Number | 6ES5902-3SA12 |
| Interface Type | Communication/Network |
| Operating Voltage | 24V DC |
| Current Consumption | 200 mA |
| Transmission Rate | Ethernet: Up to 100Mbps PROFIBUS-DP: 9.6 kbit/s to 12 Mbit/s |
| Port Configuration | 2 Ethernet Ports |
| Operating Temperature | -40°C to +85°C |
| Humidity Tolerance | 5% to 95% (non-condensing) |
Industrial Applications
This interface module delivers critical networking capabilities for:
- Factory automation systems requiring real-time machine communication
- Process control networks in chemical and pharmaceutical plants
- Material handling systems with distributed I/O configurations
- Energy management systems integrating multiple control layers
Compatible with Siemens SIMATIC S7 series PLCs and commonly paired with 6ES7972-0BB12-0XA0 connectors for PROFIBUS installations. For custom integration requirements, consult our technical team.
Apex Automation Services
Founded in 2014, Apex Automation specializes in ready-to-ship industrial solutions with comprehensive technical support. Our services include:
- Pre-sales technical consultation for system integration
- 1-year comprehensive warranty on all products
- Priority shipping for mission-critical components
- After-sales troubleshooting and replacement services
Actual pricing available upon inquiry. Can’t find your required model? Contact us via WhatsApp for immediate assistance. All products include full manufacturer certification and traceability.

















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