Woodward 9905-751 De-Energize-to-Trip Overspeed Protection Device
The Woodward 9905-751 is an advanced de-energize-to-trip overspeed protection device designed for high-performance industrial control applications. It offers reliable monitoring and immediate shutdown capabilities to safeguard critical machinery from damage due to overspeed conditions.
Dimensions:W482.6 x H310.4 x D142.7 mm (with knobs and key)
Display Operating Temperature:–15 to +60 °C (+5 to +140 °F)
Input Voltage:24 Vdc and 120 Vac/dc
Manual:85196
Manufacturer:Woodward
Model:De-energize-to-Trip
Operating Temperature:–25 to +60 °C (–13 to +140 °F)
Trip-Point Frequency Range:250 Hz to 25 kHz
Weight:Less than 17 lbs
MPU Fail Indication:Yes
The Woodward 9905-751 is meticulously crafted by Woodward within their renowned ProTech 203 series of overspeed protection devices.
This de-energize-to-trip model provides unparalleled protection against over-speed conditions, ensuring that your equipment operates safely and efficiently.
It features a robust design with an intuitive display, capable of operating in extreme temperatures from -25°C to +60°C, making it ideal for harsh industrial environments.
With its fail indication system, you can quickly identify and address any potential issues, minimizing downtime and maintenance costs.
Its lightweight construction and easy installation make it a perfect fit for a variety of applications, from power generation to industrial machinery.


















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