Woodward 9907-147: High-Voltage Load Sharing & Speed Control System
The 9907-147 ProTech 203 De-Energize-to-Trip Overspeed Protection System is designed to safeguard machinery and equipment against dangerous overspeed situations. Ideal for applications where safety is paramount, it provides reliable protection with advanced features including input voltage monitoring and failure indication.
Model Number:9907-147
Brand:WOODWARD
Input Voltage Range:18–32 Vdc
Power Consumption:8 W
Screen Size:24 character LED
Enclosure Type:NEMA 4X
Operating Temperature Range:-40 to +65 °C (-40 to +149 °F)
Storage Temperature Range:-55 to +105 °C (-67 to +221 °F)
Weight:9.7 lbs
Certifications:US MIL-STD 461C (Parts 5 & 9), EC 60068-2-60:1995 for Gaseous Pollutants
The Woodward 9907-147 is a state-of-the-art overspeed protection system engineered for precision and reliability in demanding industrial environments. Designed to monitor prime mover speed and trigger shutdown sequences upon detecting overspeed conditions, this module is essential for maintaining equipment safety and operational integrity in power generation, oil & gas, and marine applications.
This unit employs magnetic pickups to continuously monitor rotational speed, providing accurate and responsive overspeed detection. Its de-energize-to-trip design ensures fail-safe operation, activating protective measures in the event of power loss or system malfunction. The robust sheet-metal enclosure safeguards internal components against mechanical stress, dust, and electrical interference.
Featuring a user-friendly 2-line LCD display and intuitive keypad interface, the 9907-147 allows for straightforward configuration and real-time monitoring. The system supports key lock functionality to prevent unauthorized access and accidental adjustments, making it ideal for use in complex industrial settings where precision and security are paramount.
Engineered for durability, the Woodward 9907-147 operates reliably within an extended temperature range of -25 to +60 °C. It is designed to withstand common industrial hazards such as vibration, moisture, and electromagnetic interference, ensuring long-term performance in harsh operating conditions. The compact footprint allows for easy integration into existing control panels and machinery frameworks.
Backed by Woodward’s reputation for quality and innovation, the 9907-147 overspeed protection system is a trusted solution for safeguarding critical rotating equipment. Whether deployed in emergency shutdown systems, engine controls, or turbine protection applications, this module delivers the performance, safety, and reliability demanded by modern industrial operations.








There are no reviews yet.