9905-976
PublishedOverspeed Protection System
WoodwardCondition MonitoringOverspeed Detection ModuleIndustrial supply
The Woodward 9905-976 is an overspeed protection system that monitors prime-mover speed and activates a trip relay when overspeed conditions are detected. Input voltage 88-132 Vac / 90-150 Vdc, response time max 40 ms, trip speed set point 250 rpm minimum to 25,000 rpm maximum.
Wholesale supply9905-976
No public pricingPriced per agreement on volume and market. Send your quantities — Kaysan replies with availability and wholesale terms.
Product identity6 fields
Item nameOverspeed Protection System
Item number / code9905-976
BrandWoodward
Product lineIndustrial supply
CategoryCondition Monitoring
Product typeOverspeed Detection Module
Technical data13 rows
Model number9905-976
TypeOverspeed Protection System
Voltage132 Vac
Dimensions482.6 x 310.4 x 142.7 mm
Energize-to-Trip ModelActivates a trip relay to shut down the system if overspeed conditions are detected, ensuring protection for equipment
Input Voltage88-132 Vac, 90-150 Vdc
Keypad/Display1 Keypad and Display per Module
MPU Fail Set Point100 rpm minimum, 25,000 rpm maximum
Modular DesignDesigned to minimize prime mover downtime with a modular and voting configuration, allowing easy replacement and system redundancy
Operating Temperature25 to 60°C
Response TimeMax 40 ms from speed sampling to trip relay activation
Three Separate Speed CalculationsEach unit performs its own speed calculation and participates in a two-out-of-three hardware vote to determine overspeed conditions, enhancing reliability and p
Trip Speed Set Point250 rpm minimum, 25,000 rpm maximum
Reference numbers1 public
Woodward9905-976