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- Woodward
- 5441-661
- Relay Interface Module
- USA
- 120 x 100 x 70 mm
- 1.22 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Woodward 5441-661 is an industrial Relay Interface Module designed to provide controlled switching and electrical isolation between automation control systems and field devices. It is commonly used in turbine control systems, power generation, engine management, and industrial automation platforms, where reliable relay interfacing is required.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Woodward |
| Model | 5441-661 |
| Product Type | Relay Interface Module |
| Dimensions | 120 × 100 × 70 mm |
| Weight | 1.22 kg |
| Function | Signal isolation and relay switching |
| Input Type | Low-voltage control signal |
| Output Type | Relay contact output |
| Application | Industrial automation and control systems |
| Mounting Type | Panel / chassis mounted |
Function and Working Principle
The 5441-661 Relay Interface Module operates by converting low-power control signals into relay-based switching actions:
- Receives control signals from PLC or controller systems
- Energizes internal relay circuits
- Switches external field loads via relay contacts
- Provides electrical isolation between control and load sides
- Enhances safety and protects sensitive electronics from electrical disturbances
This structure allows reliable control of industrial devices such as solenoids, alarms, and actuators.
Key Features
- Compact industrial relay interface design
- Multi-channel relay switching capability (configuration-dependent)
- Electrical isolation between control and field circuits
- Built for continuous industrial operation
- High reliability in harsh environments
- Easy integration into automation systems
Industrial Applications
- Gas and steam turbine control systems
- Power generation plants
- Engine control and monitoring systems
- Oil and gas automation
- Industrial machinery control
- Safety and alarm systems
- Distributed control systems (DCS)
Role in Industrial Systems
The 5441-661 plays an important role in automation architecture by:
- Converting control signals into physical switching outputs
- Protecting PLCs and control electronics from field-side loads
- Enabling safe operation of external devices
- Supporting modular control system design
- Improving reliability and system safety
Installation Notes
- Install inside a control cabinet or protected enclosure
- Ensure correct wiring of input and output terminals
- Maintain proper grounding and shielding
- Avoid exceeding relay electrical ratings
- Provide sufficient ventilation in dense installations
- Installation should be performed by qualified personnel
Advantages
- Reliable industrial-grade relay switching
- Strong electrical isolation for system protection
- Compact and easy to install
- Suitable for continuous-duty applications
- Improves system safety and stability
- Integrates easily into control architectures
Limitations
- Relay contacts are subject to mechanical wear over time
- Not a programmable control device
- Requires compatible control signal levels
- Must operate within specified electrical limits
Conclusion
The Woodward 5441-661 Relay Interface Module is a reliable industrial switching and isolation component designed for automation and control systems. Its stable relay performance, strong isolation, and robust construction make it suitable for demanding environments such as turbine control and industrial process automation.