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Tri-Sen TurboSafe 1000048-001 triplicated (2-out-of-3) electronic overspeed trip device for steam/gas/power turbines and rotating equipment. Meets API 670 8.4; accuracy to 0.02% of speed; Modbus RS485; two independent Form-C trip relay outputs; speed range 100 to 25,000 RPM; total response time <=40 ms.
Tri-Sen AI3281E-A control card.