The GE DS200DCFBG2BNC MRP433745 is a critical DC field breaker module, integral to GE’s renowned portfolio of industrial control components for power generation and heavy machinery. As part of the DS200 series—trusted for protecting sensitive electrical systems in turbine and generator setups—this model specializes in safeguarding DC field circuits, which are essential for regulating the output of synchronous machines.
At its core, the GE DS200DCFBG2BNC MRP433745 functions as a protective device, monitoring DC field current and rapidly interrupting circuits during overcurrent, short-circuit, or fault conditions to prevent damage to generators, turbines, and associated control equipment. Its role in automation setups is indispensable: it acts as the first line of defense between field circuits and the broader control system, ensuring operational safety and minimizing downtime. What distinguishes the GE DS200DCFBG2BNC MRP433745 is its precision engineering, combining fast response times with robust construction to thrive in the high-stakes environments of power plants and industrial facilities. Whether integrated into a gas turbine control system or a large generator setup, it delivers reliable protection, making it a cornerstone of critical electrical infrastructure.
The GE DS200DCFBG2BNC MRP433745 delivers specialized protection tailored to the demands of DC field circuits, starting with its rapid fault response. With a detection time under 10ms, it quickly isolates overcurrent conditions, limiting damage to expensive generator components and reducing the risk of unplanned shutdowns—a critical advantage in power generation where downtime is costly.
A standout feature is its robust construction, designed to withstand the electrical noise, vibration, and temperature fluctuations common in turbine enclosures and power plant control rooms. This durability ensures consistent performance in harsh industrial environments, minimizing maintenance needs over its lifespan.
Integration capabilities further enhance its value. The GE DS200DCFBG2BNC MRP433745 seamlessly connects with GE’s Mark VI and VIe control systems, providing real-time status updates via relay outputs that alert operators to breaker trips or faults. This diagnostic visibility enables proactive troubleshooting, streamlining maintenance workflows. Its rack-mount design simplifies installation in existing GE control architectures, reducing retrofitting complexity. With a rated continuous current of 50A and breaking capacity of 10kA, it balances protection with operational flexibility, making it suitable for a range of generator sizes and applications.
The GE DS200DCFBG2BNC MRP433745 is indispensable in power generation and heavy industrial settings where DC field circuit protection is critical. In gas and steam turbine power plants, it safeguards the excitation systems of generators, which regulate voltage output to the grid. By interrupting overcurrent in the DC field windings, it prevents winding damage during transient events like load spikes or grid disturbances.
Industrial facilities with on-site generators, such as refineries or chemical plants, rely on the GE DS200DCFBG2BNC MRP433745 to protect backup power systems. It ensures generator reliability during utility outages, maintaining critical operations like pump controls and safety systems.
In renewable energy installations, particularly those with synchronous generators (e.g., biomass or hydroelectric plants), the module protects DC excitation circuits from faults caused by variable input conditions. Its compatibility with GE’s control systems makes it a natural fit for integrated power management setups, where coordinated protection across multiple components is essential for system stability.
- GE DS200DCFAG1BNC MRP433744 – Previous generation DC field breaker with similar ratings, compatible with legacy Mark VI systems.
- GE DS200DCFBG3BNC MRP433746 – Higher-current variant (75A) of the DS200DCFBG2BNC, designed for larger generators.
- GE DS200PCCAG1A – Power supply module, often paired with the DS200DCFBG2BNC to provide stable 125V DC for field circuits.
- GE DS200TCEAG1B – Turbine control module that integrates with the DS200DCFBG2BNC for coordinated protection in Mark VI systems.
- GE DS200DCFBG2BNC-R – Refurbished version of the DS200DCFBG2BNC, offering cost-effective replacement options.
- GE 12SVC10000 – External fault monitoring relay compatible with the DS200DCFBG2BNC for enhanced diagnostic coverage.
Installing the GE DS200DCFBG2BNC MRP433745 requires mounting in a compatible GE Mark VI/Ve rack within a sealed control cabinet, ensuring protection from dust and moisture. The environment should maintain temperatures between 0°C and 60°C with relative humidity below 90% (non-condensing). Proper alignment with rack guides is critical for secure installation, and all electrical connections must comply with GE’s wiring diagrams to ensure correct current sensing and relay operation.
For maintenance, inspect the module quarterly: check for loose terminal connections, verify relay output functionality, and clean dust from ventilation slots using compressed air. Annually, use GE’s diagnostic software to test fault trip thresholds and confirm response times remain within specifications. Replace the module if it fails trip tests or shows signs of internal damage, typically after 10–15 years of operation under standard conditions, depending on fault frequency.
The GE DS200DCFBG2BNC MRP433745 is backed by a one-year warranty from Xiamen Xiongba E-commerce Co., Ltd., which includes free replacement for defects in materials or workmanship under normal operating conditions. This coverage reflects our confidence in the product’s quality, supported by GE’s rigorous manufacturing standards.
Xiamen Xiongba E-commerce Co., Ltd. specializes in industrial automation, focusing on the sales of Distributed Control Systems (DCS), robot systems, and modules/spare parts for large-scale servo control systems. Our portfolio includes PLCs, MOTOROLA MVME industrial modules, Anybus communication converters, RTU remote modules, industrial PCs, low-frequency displays, and SCSI human-machine interfaces. With over a decade of experience, we have grown into a global supplier of industrial automation spare parts, sourcing directly from overseas to solve procurement challenges, ensure product quality, and offer competitive pricing. Our commitment to customer satisfaction ensures reliable support for the GE DS200DCFBG2BNC MRP433745 and all our products.
