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- Woodward
- 5441-409
- Relay Interface Module
- USA
- 272 x 212 x 58 mm
- 3.04 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 12
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
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 5441-409 is an industrial Relay Interface Module designed to provide reliable switching and electrical isolation between control systems and field devices. It is widely used in power generation, turbine control, oil & gas, and industrial automation systems, where safe and structured load control is required.
It acts as an intermediary layer between low-power control signals (PLC or control processor outputs) and higher-power electrical loads such as relays, solenoids, and actuators.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Woodward |
| Model | 5441-409 |
| Product Type | Relay Interface Module |
| Channels | 28 channels |
| Current Rating | ~10 A per channel |
| Indication | LED status indicators |
| Dimensions | 272 × 212 × 58 mm |
| Weight | 3.04 kg |
| Function | Signal isolation and relay switching |
| Application | Industrial control and automation systems |
| Mounting Type | Panel / chassis mounted |
Function and Working Principle
The 5441-409 operates as a signal-to-load interface module:
- Receives low-voltage control signals from a PLC or controller
- Activates internal relay circuits based on input commands
- Switches external electrical loads safely
- Provides galvanic isolation between control side and field side
- Uses LED indicators for channel status monitoring
This ensures that sensitive control electronics are protected while still allowing reliable switching of industrial loads.
Key Features
- 28-channel relay interface design
- High current switching capability (10 A class)
- Built-in LED status indication for diagnostics
- Electrical isolation between control and field circuits
- Industrial-grade robust construction
- Suitable for continuous operation in harsh environments
Industrial Applications
- Gas and steam turbine control systems
- Power generation plants
- Engine control systems
- Oil and gas automation
- Industrial process control
- Distributed control systems (DCS)
- Safety and alarm systems
Role in Industrial Systems
The 5441-409 Relay Interface Module plays a key role in system architecture by:
- Converting low-power control signals into high-power switching actions
- Protecting PLCs and control processors from electrical loads
- Enabling structured control of multiple field devices
- Improving system safety and reliability
- Supporting modular expansion of control systems
Installation Notes
- Install in a control cabinet or system rack
- Ensure correct wiring for input and output terminals
- Maintain proper grounding and shielding practices
- Avoid exceeding rated current per channel
- Keep adequate spacing for ventilation and maintenance
- Installation should be performed by qualified personnel
Advantages
- High channel density (28 channels)
- Reliable industrial switching performance
- Strong electrical isolation for system protection
- Built-in diagnostics via LED indicators
- Suitable for complex automation systems
- Robust and durable design
Limitations
- Requires compatible control system interface
- Not programmable (pure relay interface only)
- Must operate within rated electrical limits
- Designed specifically for industrial environments
Conclusion
The Woodward 5441-409 Relay Interface Module is a high-capacity industrial switching interface designed to safely connect control systems with field devices. Its multi-channel structure, strong isolation, and reliable relay performance make it a critical component in complex automation and turbine control systems.