Woodward 8440-1831 LS-5 Circuit Breaker Control Module for Generator Synchronization

Woodward 8440-1831 LS-5 Circuit Breaker Control Module – Precision Generator Synchronization & Paralleling

The Woodward 8440-1831 is a microprocessor-based circuit breaker control module engineered for reliable generator synchronization, load sharing, and paralleling operations in marine, industrial, and power generation environments. Part of the proven LS-5 control system family, this module delivers precise breaker timing, fault protection, and seamless integration with Woodward governor and control networks.

Technical Specifications

• Model: 8440-1831
• System: LS-5 Load Sharing & Synchronization
• Control Type: Microprocessor-based circuit breaker control
• Communication: Modbus RTU protocol support
• Input Voltage: 24 VDC nominal (18-32 VDC operating range)
• Operating Temperature: -40°C to +70°C
• Protection Rating: IP20 (panel-mounted configuration)
• Certifications: Marine type-approved (ABS, DNV, Lloyd's Register)
• Mounting: DIN rail or panel mount

Key Applications

This circuit breaker control module excels in demanding synchronization scenarios:

• Marine Power Systems: Vessel generator paralleling with redundant power distribution
• Industrial Cogeneration: Multi-generator load sharing and grid synchronization
• Data Centers: Critical power paralleling with utility and backup generators
• Oil & Gas Platforms: Offshore power management with fault-tolerant breaker control
• Utility Substations: Automated breaker sequencing for grid stability

Integrated Solutions

The 8440-1831 module integrates seamlessly with complementary Woodward control products to form complete power management systems. Engineers frequently pair this breaker control with the Woodward 8273-128 Load Sharing & Speed Control Module for coordinated governor and breaker operation, the Woodward 8923-1262 DSLC-2 Digital Synchronizer for advanced phase-matching algorithms, and the Woodward 9903-543 AGLC Automatic Generator Loading Control for intelligent load distribution across multiple gensets.

Common Questions

Q: Can the 8440-1831 control multiple circuit breakers simultaneously?
A: The module is designed to control a single circuit breaker per unit. For multi-breaker applications, deploy multiple 8440-1831 modules networked via Modbus RTU for coordinated operation.

Q: Is this module compatible with non-Woodward governors?
A: Yes, the 8440-1831 accepts standard analog and digital inputs, allowing integration with third-party speed governors and voltage regulators through configurable I/O mapping.

Q: What breaker types are supported?
A: The module supports motorized circuit breakers with shunt trip and close coils, including ABB, Schneider Electric, Siemens, and GE breaker models commonly used in generator applications.

Q: How is synchronization accuracy maintained?
A: The microprocessor continuously monitors voltage magnitude, frequency, and phase angle differences, executing breaker closure only when all parameters fall within user-defined synchronization windows (typically ±5° phase, ±0.2 Hz frequency).

Warranty & Support

Every Woodward 8440-1831 module includes a 12-month manufacturer warranty covering defects in materials and workmanship. Our technical support team provides configuration assistance, Modbus parameter mapping, and integration guidance for complex multi-generator installations.

Upgrade your generator paralleling system with the proven reliability of Woodward LS-5 technology. Order the 8440-1831 circuit breaker control module today for precision synchronization and fault-protected operation.

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