8237-1600 | Woodward | ProTech-GII Overspeed Protection

Key Features

• Model: 8237-1600

• Series: ProTech-GII Overspeed Protection

• Function: Monitors turbine rotor speed and acceleration; issues shutdown commands during overspeed or overacceleration events

• Inputs: Active or passive magnetic pickups (MPUs)

• Outputs: Alarm relays, trip signals, 4–20 mA speed readouts

• Communications: Modbus® TCP for integration with turbine control systems

• Design: Triple Modular Redundant (TMR) architecture for high reliability

• Enclosure: IP56 dust- and water-resistant when properly installed

• Protection: Overvoltage protection II (IEC 60664-1)

Technical Specifications

• Dimensions: 13 × 17.5 × 6.25 inches

• Weight: < 23 lbs

• Input Voltage: Configurable for 2 high-voltage inputs or 1 high + 1 low voltage input

• Inrush Current: 10 A @ 115 Vac, 20 A @ 220 Vac

• Display/Keypad: 4.2-inch display with 15 keys per module

• Operating Temperature: –20 to +60 °C, up to 95% humidity

• Storage Temperature: –20 to +65 °C, up to 95% humidity

• Reliability: MTBF > 1 million hours (depending on installation)

Applications

• Turbine Types: Steam, gas, hydro

• Safety Role: Provides overspeed and overacceleration protection, automatically shutting down turbines when unsafe conditions are detected

• Integration: Easily integrates into turbine systems with Modbus communications and backplane structure for simplified maintenance

• Environmental Resistance: Coated for sulfur contamination resistance; suitable for IEC 721-3-3 Class 3C2 environments