Skip to content

What are you looking for?


You may also like

Woodward 9905-001 SPM-A SynchronizerWoodward 9905-001 SPM-A SynchronizerWoodward 9905-001 SPM-A Synchronizer
Woodward 9905-001 SPM-A Synchronizer
Woodward 9905-001 SPM-A Synchronizer
Woodward 9905-001 SPM-A Synchronizer

Woodward 9905-001 SPM-A Synchronizer


Only 10 left - Selling fast

PRODUCT SKU : 9905-001

PRODUCT TYPE : Synchronizer Modules

PRODUCT VENDOR : Woodward


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

Configured for generator paralleling, the Woodward 9905-001 (9905-001 Synchronizer Module) provides direct electrical execution of frequency, phase angle, and voltage matching within prime mover speed control platforms.

Hardware Specifications

Parameter Specification
Model 9905-001
Brand Woodward
Origin Not specified
Weight 3.72 lbs
Dimensions 5.2 in x 3.5 in x 1.4 in
Operating Temp -40 deg C to +85 deg C
Power Consumption 5 W
Input Voltage 115 or 230 VAC RMS
Frequency 50/60 Hz

Actuator Loop Feedback Response and Thermal Heat Sink Dissipation Profiles

The 9905-001 synchronizer regulates generator bus alignment by biasing the speed control signal based on real-time phase angle and frequency comparison. The module exhibits an actuator loop feedback response calibrated to maintain phase lock within +/- 10 degrees. Internally, the circuit design emphasizes thermal heat sink dissipation profiles optimized for industrial control cabinets where ambient temperatures may reach +85 deg C. Users must ensure that the output load is correctly matched to the speed regulator impedance to prevent signal drift during the paralleling sequence. The compact form factor necessitates proper air circulation within the DIN-rail or bulkhead mounting environment to maintain long-term component stability.

Frequently Asked Questions

Q: Does the 9905-001 module require external calibration for different frequency ranges (50 Hz vs. 60 Hz)?

A: The module is designed to support both 50 and 60 Hz nominal systems. Ensure the installation setup reflects the grid frequency to allow the internal comparator to correctly determine the phase synchronization window.

Q: Can this module be configured for load sharing between multiple prime movers?

A: The 9905-001 is a dedicated synchronizer module. It provides the necessary frequency and phase bias for paralleling but must be used in conjunction with a compatible Woodward load-sharing controller to achieve balanced real-power distribution between units.

Field Installation Guidelines

  • Mounting: Secure the module using the integrated mounting provisions. Ensure the orientation allows for natural convective cooling across the 5.2 in x 3.5 in x 1.4 in profile.
  • Wiring: Connect the bus and generator sensing inputs using shielded cabling. Terminate the shield at the cabinet common reference point to maintain signal integrity and minimize susceptibility to electromagnetic interference.
  • Input Selection: Verify the input voltage configuration (115 or 230 VAC) via the terminal jumper settings or physical wiring configuration before applying line power.
  • Grounding: Maintain a low-impedance connection to the chassis ground to ensure protection against transients and to provide a stable reference for the phase angle detection circuitry.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




Recently Viewed Products

Tech & Buying Guide

Technical Insights, Installation Guides, and Buying Tips
Selecting the Right Cables for Industrial Automation: A Comprehensive Guide

Selecting the Right Cables for Industrial Automation: A Comprehensive Guide

Selecting the appropriate cabling infrastructure is critical for the success of any industrial automation project. Improper cable selection often leads to signal degradation, system instability, and costly downtime. As an automation engineer, I frequently see projects compromised by poor cabling choices in harsh industrial environments. This guide simplifies the complex landscape of cabling to help you make informed decisions for your PLC, DCS, and control systems.

Read more
Preventing Spurious Trips in Emergency Stop Systems: A Technical Guide

Preventing Spurious Trips in Emergency Stop Systems: A Technical Guide

In industrial automation, the Emergency Stop (E-Stop) pushbutton is the ultimate safety line. However, relying on a single Normally-Closed (NC) contact can sometimes lead to unexpected spurious trips. As a control systems engineer, I have seen these nuisance trips halt entire production lines, causing significant downtime. Understanding why these components fail and how to implement robust architecture is essential for any reliable DCS or PLC-based safety system.

Read more
Sequencing Induction Motor Control with PLC Logic: Best Practices

Sequencing Induction Motor Control with PLC Logic: Best Practices

In modern industrial automation, controlling a group of induction motors requires precision and safety. Uncontrolled simultaneous startup of multiple large motors often causes significant voltage dips, potentially triggering protective trips. Therefore, implementing a sequential startup and shutdown strategy is essential. This approach minimizes inrush current and ensures the system operates within established power constraints. A robust PLC program serves as the ideal engine for orchestrating these sequences.

Read more