Description
The Woodward 8440-1946 stands as a high-performance solution engineered for precise circuit breaker management within power generation and distribution systems. As a core component of the Woodward 8440-1946 series, this module integrates sophisticated protection algorithms with robust control logic, ensuring seamless synchronization and safety for industrial electrical infrastructure. Its architecture is specifically designed to handle complex power switching tasks while maintaining high reliability in demanding environments.
Technical Specifications
- Operating Voltage: 24 VDC (Nominal)
- Mounting Style: DIN Rail / Panel Mount
- Communication Protocols: CANbus, Modbus (via optional interfaces)
- Environmental Rating: IP20 (front panel)
- Operating Temperature Range: -20 °C to +70 °C
- Dimensions: 225 mm × 150 mm × 60 mm (approximate)
- Weight: 0.85 kg
- Country of Origin: United States / Germany (varies by manufacturing batch)
Frequently Asked Questions
💡 What is the primary function of the 8440-1946 module? The module acts as an intelligent controller that monitors voltage, frequency, and phase angle to perform safe circuit breaker closing and opening. It protects the generator set by preventing out-of-sync connections and providing fault isolation.
🛠 Does this unit support external communication for remote monitoring? Yes, it is designed to communicate with other control systems, such as PLCs or SCADA, to provide real-time status updates on breaker position and system electrical parameters.
⚡ Is it necessary to configure the settings before installation? Absolutely. The module must be parameterized according to your specific generator voltage levels and protection requirements. This is usually done via Woodward’s dedicated software tool.
🔋 What should I check if the module reports a ‘Breaker Failure’ alarm? Verify the feedback wiring from the breaker auxiliary contacts and ensure the output relay circuits are not suffering from physical degradation or contact resistance issues.
Recommended Woodward Series Models
To support diverse power management requirements, Woodward offers several specialized alternatives within the 8440 and related product families:
- 8440-1947
- 8440-1948
- 8440-2005
- 8440-2006
- 8440-2007
- 8440-1875
- 8440-1876
- 8440-1980
- 8440-2022
- 8440-2080

