Woodward 8200-205
- Product Name: ProTech 203 Digital Overspeed Protection System
- Product Description: A high-reliability, fail-safe digital overspeed protection system for steam, gas, and hydro turbines. It uses three independent magnetic pickups to continuously monitor shaft speed and trigger a safe shutdown if overspeed thresholds are exceeded.
- Technical Specifications:
- Power Supply: 220 VAC (configurable for 24 VDC / 120–240 VAC)
Detailed content
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- Speed Range: 100–20,000 RPM (field-adjustable)
- Frequency Range: 250 Hz–25 kHz
- Response Time: <10 ms (detection to trip)
- Relay Outputs: 2× redundant SPDT trip relays (5A @ 250 VAC / 30 VDC)
- Enclosure Rating: NEMA 4X / IP65
- Operating Temperature: -40 °C to +70 °C
- Certifications: UL, CE, SIL 2 compliant
- Dimensions: 482.6 mm × 310.4 mm × 142.7 mm
- Weight: 5.9 kg
- Key Features:
- 2-out-of-3 Voting Logic: Requires two of three sensors to confirm overspeed, eliminating single-point failures.
- Fail-Safe Design: De-energize-to-trip operation ensures safety on power loss.
- Key-Locked Security: Prevents unauthorized configuration changes.
- Continuous Diagnostics: Real-time monitoring of MPUs, CPU, and internal faults.
- Non-Volatile Memory: Retains settings during power outages.
- Applications:
- Power Generation: Steam/gas turbines in utility and industrial power plants.
- Oil & Gas: Turbines and compressors in refineries, pipelines, and offshore platforms.
- Industrial Machinery: High-speed rotating equipment in manufacturing and processing plants.












