ABB NMTU-21C Controller Module – Industrial Automation Excellence
About Stoker Automation Technology: With 20+ years in industrial automation, we maintain a 5,000㎡ warehouse stocking 10,000+ components for metallurgy, oil & gas, power generation, and manufacturing sectors. Specializing in obsolete control system parts with 2-year warranty options.
The ABB NMTU-21C Controller Module delivers precision monitoring for critical industrial processes, featuring:
- Multi-protocol Communication: RS-232/RS-485 interfaces with MODBUS integration
- Rugged Design: IP65-rated enclosure for dust/water resistance
- Wide Compatibility: Seamless integration with AC 800M controllers
- Real-time Diagnostics: LED status indicators for instant fault detection
Technical Specifications
Manufacturer: ABB
Model: NMTU-21C
Power Supply: 24V DC ±10%
Operating Range: -20°C to +60°C
Certifications: CE, RoHS, IEC 61131-2 compliant
Our automation specialists provide free technical support for system integration and offer express global shipping with customs documentation. Can’t find your specific part number? Chat with our engineers for immediate assistance.


Why Choose Us?
- ✓ 48-hour emergency shipment service
- ✓ Original manufacturer testing reports
- ✓ 18-month extended warranty available
- ✓ ISO 9001-certified quality control









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