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ProTech 203 overspeed protection device (legacy) · ProTech overspeed / turbine safety devices
Superseded
Superseded by a newer part number — the original remains supported. See the current replacement path below.
Ask Drake about repair / overhaul of your existing unit.
Drake-recommended replacement
Direct replacement.
| Preferred item | Description |
|---|---|
| ProTech-GII | IEC61508 SIL-3 certified, Triple Modular Redundant overspeed safety device (Woodward manual 26545); strictly an overspeed device. |
Note: Statement appears in Manual 26593 (5009FT Upgrade Kit engineering manual, printed p.6) in the Hardware Options / Protective Devices overview — an explicit 'direct replacement' supersession, but model-level only: no part numbers for either device and no ProTech 203 obsolescence/LTB dates printed. Same passage notes ProTech-TPS (user-defined process safety + integrated overspeed, manual 26501) and ProTech-SX (SIL-2 single module, manual 26456) as other current ProTech-line configurations, but the direct-replacement tie is GII-to-203 only. Drake should confirm exact GII configuration before quoting.
Lifecycle facts
| Woodward part number | ProTech 203 |
|---|---|
| Product family | ProTech overspeed / turbine safety devices |
| Lifecycle status | Superseded |
| Source | Woodward Manual 26593 rev NEW p.12 |
| Cross-reference confidence | Confirmed from the cited Woodward publication |
Source: PCN 26593
✓ Sourced directly from the cited Woodward publication — Drake confirms the exact part before quoting
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