Woodward 5441-629 Relay Interface Module

The Woodward 5441‑629 is an industrial-grade relay interface module designed to facilitate reliable control of auxiliary equipment through relay outputs. Rated for 5 A per channel, it is commonly applied in automation, turbine control, and remote switching systems. Although this model has been officially discontinued, refurbished and surplus units remain available from select suppliers.

Key Features

• 5 A relay outputs per channel for sturdy switching capacity

• Multiple channels (exact count per assembly) for controlling several devices

• Configurable contact modes (NO/NC)

• Rugged design for harsh environments

• Compatible with Woodward turbine governors and PLC/DCS systems

• Dimensions that fit standard industrial racks

Technical Specifications

Product Advantages

• High switching capacity: Handles up to 5 A per channel for robust device control

• Flexible configuration: Relay contacts can be set as NO or NC for diverse applications

• Durable construction: Industrial-grade materials and layout ensure long-term reliability

• Rack-friendly size: Fits into standard control system enclosures

• Interoperable: Works with Woodward governors and other automation platforms

• Refurbishment availability: Despite discontinuation, pre-owned units offer cost-effective alternatives

Typical Applications

• Control of solenoid valves, alarm systems, and shutdown relays

• Switching control in turbine governors and engine management systems

• Integration in DCS/PLC setups for auxiliary circuit switching

• Backup or replacement in existing Woodward control panels

• Remote switching in consensus control and supervisory systems

Frequently Asked Questions (FAQ)

1. What is the current status of the 5441‑629?

   The unit is discontinued but remains available as refurbished or surplus

2. How many amps can each relay channel handle?

   Each relay is rated for up to 5 A.

3. Can I configure the relay contacts?

   Yes, contacts can be set to normally open or normally closed.

4. What are its physical dimensions and weight?

   Measures 229 × 178 × 45 mm and weighs around 1.0 kg.

5. Is it suitable for industrial use?

   Yes, designed for rugged industrial environments, including turbine control systems.

6. Can it replace a similar Woodward module?

   It can often substitute for equivalent models in Woodward racks.

7. Is installation straightforward?

   Yes—designed for standard industrial racks with typical relay module connections.

8. What power voltages are supported?

   Operates on standard voltages used in Woodward systems (typically 24–48 VDC; confirm with system specs).

9. Where can I purchase one?

   Available from refurbishing suppliers like World of Controls and PLC DCS Pro.

10. Are there alternative modules available?

    Yes—models like the 5441‑635 and 5441‑637 offer similar but varied capabilities.