Woodward 9905-976 Overspeed Protection System In Stock

Product Overview

The Woodward 9905-976 Overspeed Protection System provides robust protection against overspeed conditions in critical machinery. Featuring a modular design that minimizes downtime and enhances system redundancy, it ensures precise and rapid response within 40 ms from speed sampling to trip relay activation. The system uses three separate speed calculations with a two-out-of-three hardware vote for reliable overspeed detection. It also includes an energize-to-trip model for immediate shutdown upon detecting overspeed conditions and tunable parameters for customized protection.

Specifications

• Dimensions: 482.6 x 310.4 x 142.7 mm
• Weight: Less than 15 lbs
• Input Voltage: 88-132 Vac, 90-150 Vdc
• Keypad/Display: 1 Keypad and Display per Module
• Operating Temperature: -25 to 60°C
• Response Time: Max 40 ms
• Trip Speed Set Point: 250 rpm minimum, 25,000 rpm maximum
• MPU Fail Set Point: 100 rpm minimum, 25,000 rpm maximum

Features

• Three Separate Speed Calculations: Two-out-of-three hardware vote for enhanced reliability.
• Modular Design: Easy replacement and system redundancy.
• Energize-to-Trip Model: Immediate shutdown on overspeed detection.
• Tunable Parameters: Adjustable trip speed, MPU fail set point, and option to trip on MPU failure.