Woodward MRU311DM Triple Modular Redundant Overspeed Protection Module
The Woodward MRU311DM is a TMR overspeed protection system designed for critical rotating machinery including gas and steam turbines, and large engines. It monitors speed through three independent channels and utilizes 2-out-of-3 voting logic to initiate emergency shutdown only when a genuine overspeed condition is detected. Engineered to meet stringent safety standards, this module features extensive diagnostics and provides SIL-2 certified protection for applications in power plants and industrial facilities.
Technical Specifications
| Processing Speed |
2ms control cycle |
| Voltage |
24VDC |
| Communication |
IEC 61850-3 + TSN Ethernet |
| Enclosure Rating |
IP66 (NEMA 4X) |
| Operating Temperature |
-40°C to +85°C |
Product Images
Installation Requirements
Professional installation is essential to ensure optimal performance, operational safety, and compliance with industry standards. Proper implementation is critical for reliable system integration and long-term operational efficiency.
- Professional installation required for optimal performance and safety
- Ensure proper mounting and adequate ventilation
- Comply with all applicable electrical safety standards