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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

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