Woodward 8237-1247
Product Name: ProTech-GII Overspeed Protection Device (Bulkhead Mount)
Product Introduction: A triple-modular redundant safety controller for turbine overspeed and over-acceleration detection, ensuring safe shutdown of hydro, steam, and gas turbines.
Technical Specifications:
- Nominal Input Voltage: 24 VDC
- Operating Temperature: -20°C to +60°C
Detailed content
- Storage Temperature: -20°C to +65°C
- Weight: 26 lbs 12 oz (approx. 12.1 kg)
- Communication: Modbus RTU
- Speed Output: 4–20 mA analog signal
- Environmental Resistance: Sulfur, H₂S, and CO₂ contamination resistant
Functional Features:
- Triple modular design (2-out-of-3 voting) for fault tolerance
- Online module replacement capability without system shutdown
- Microprocessor-based speed/acceleration monitoring
- Compliant with IEC 721-3-3 standards for 3C2 environments
Application Scenarios:
- Gas turbine overspeed protection
- Steam turbine safety systems
- Hydro turbine control
- Industrial power generation safety loops












