Description
The Woodward 8272-804 A Speed Switch is an electronic speed monitoring device designed for engine, turbine, and generator control applications. It detects rotational speed signals and provides switching outputs for overspeed, underspeed, and protective shutdown functions in industrial and marine power systems.
The unit is commonly used in Woodward governor and engine control systems where reliable speed sensing and protection are required. It provides an interface between speed pickup signals and control circuits, helping protect prime movers from abnormal operating conditions.
8272-804
Product Specifications
| Parameter | Description |
|---|---|
| Brand | WOODWARD |
| Model | 8272-804 A |
| Series | Woodward Speed Switch |
| Product Name | Speed Switch |
| Product Type | Electronic Speed Monitoring / Protection Module |
| Function | Engine speed detection, overspeed/underspeed monitoring, switching control |
| Speed Signal Input | Magnetic pickup / speed sensing input |
| Power Supply | 230 VAC |
| Application | Engine, turbine, and generator protection systems |
| Output Function | Speed limit switching and protective control output |
| Mounting Type | Control panel / cabinet mounting |
| Compatible Systems | Woodward governor and engine control applications |
| Operating Environment | Industrial and marine environments |
| Place of Manufacture / Origin | United States |
| Product Status | Legacy Industrial Spare Part |
| Condition | Used |
| Dimensions | Approx. compact control module format |
| Weight | Approx. 1 kg |
| Country of Origin | USA |
| Power Requirements | 230 VAC |
Key Features
✅ Original Woodward speed monitoring device
✅ Provides reliable rotational speed detection
✅ Supports engine and turbine protection functions
✅ Designed for generator and prime mover applications
✅ Suitable for marine and industrial control systems
✅ Common replacement component for legacy Woodward installations
Applications
• Diesel generator control systems
• Gas turbine control systems
• Steam turbine auxiliary systems
• Marine propulsion engines
• Power generation equipment
• Industrial rotating machinery protection
• Engine overspeed shutdown systems
Frequently Asked Questions
❓ Q: What is the Woodward 8272-804 A used for?
A: The 8272-804 A is a speed switch used to monitor rotating equipment speed and provide protective switching functions for engines, turbines, and generator systems.
❓ Q: Is the 8272-804 A a governor controller?
A: No. It is a speed monitoring and switching device. It works with governor and control systems by providing speed-related signals and protection functions.
❓ Q: What power supply does the Woodward 8272-804 A require?
A: The listed configuration operates with a 230 VAC supply.
❓ Q: Where is the Woodward 8272-804 A commonly used?
A: It is commonly installed in marine engines, generator sets, turbine systems, and industrial machinery requiring speed monitoring and protection.
❓ Q: Is the Woodward 8272-804 A still manufactured?
A: It is considered a legacy Woodward component and is mainly available through industrial automation and marine spare-part suppliers.
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