Woodward 5437-1080
Product Name: ProTech-GII Spare Individual Relay Module
Product Introduction: A dedicated spare relay module for Woodward’s ProTech-GII overspeed protection systems (models 8237-1244 and 8237-1367). It provides a 2-out-of-3 voted relay architecture for high-integrity turbine shutdown.
Technical Specifications:
- Compatibility: ProTech-GII 8237-1244, 8237-1367
- Architecture: 2-out-of-3 voted relay logic
Detailed content
- Operating Temperature: -20°C to +60°C (-4°F to +140°F)
- Protection: Sulfur-resistant conformal coating
- Enclosure Rating: IP56 (when installed in ProTech-GII enclosure)
- Function: Individual relay module with alarm and status indication
Functional Features:
- Enables hot-swappable replacement of individual relays without system shutdown
- 2-out-of-3 voting ensures high reliability and fault tolerance
- Individual alarm indicators for each relay channel
- Direct connection to ProTech-GII keypad and display
- Designed for critical applications where safety and availability are paramount
- Sulfur-resistant coating for operation in harsh industrial atmospheres
- Simplifies maintenance and reduces system downtime
Application Scenarios:
- Spare part for ProTech-GII overspeed protection systems
- Gas, steam, and hydro turbine safety systems
- Critical rotating machinery protection
- Power generation plant safety systems
- Industrial turbine control system maintenance and repair












