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Woodward 9905-990 Energize-to-Trip Safety Relay

  • Product Name: Woodward 9905-990 Energize-to-Trip Safety Relay
  • Product Description: An energize-to-trip safety relay designed for industrial control systems to provide critical protection and shutdown functions. It triggers a trip command to shut down equipment or systems in the event of a fault or abnormal condition, ensuring personnel and equipment safety.
  • Technical Specifications:
    • Power Supply: 24 VDC ±10% (18–32 VDC)

Detailed content

    • Trip Inputs: Fault signals from speed/load control modules, temperature/pressure sensors
    • Trip Outputs: Energize-to-trip relay outputs (2 A @ 250 VAC) for shutdown devices
    • Reset Function: Manual/remote reset with password protection
    • Operating Temperature: -20°C to +70°C
    • Enclosure: NEMA 4 rated for dust and water protection
    • Certifications: CE, UL compliant
  • Key Features:
    • Energize-to-trip design for fail-safe operation (trip on power loss)
    • Multiple fault input channels for comprehensive system monitoring
    • Time-delayed trip output to prevent false trips during transient conditions
    • Manual/remote reset with password protection to prevent unauthorized operation
    • Fault memory for event logging and troubleshooting
    • Compact design for easy integration into control cabinets
  • Applications: Industrial engine/turbine control systems, power generation plants, oil & gas facilities, and marine propulsion systems.

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