Description
GE DS200DCFBG1BNC Product Description
Product Overview
The GE DS200DCFBG1BNC is a high-reliability DC power distribution and fault protection module, exclusively engineered for seamless integration with GE’s Mark V Speedtronic turbine control system—an industry workhorse for managing gas, steam, and combined-cycle turbines in power generation, oil & gas, and heavy industrial facilities. As the “power hub” of Mark V control cabinets, GE DS200DCFBG1BNC fulfills two non-negotiable roles: distributing stable 24V DC power to critical downstream components (e.g., I/O modules, turbine protection boards, sensors) and providing granular fault protection (overcurrent, short-circuit) to shield sensitive electronics from damage.
Unlike generic power distribution units that lack Mark V-specific optimization, GE DS200DCFBG1BNC features output channels tailored to the current demands of Mark V modules, eliminating the risk of overloading or underpowering components. This makes it ideal for mid-to-large scale turbines (200MW–600MW) where power interruptions can trigger costly turbine shutdowns. By centralizing power management, GE DS200DCFBG1BNC reduces wiring complexity by 45% compared to decentralized power setups, while its built-in diagnostics enable technicians to quickly pinpoint power-related faults—cutting troubleshooting time by 50%. For plant operators, GE DS200DCFBG1BNC is the backbone of reliable Mark V operation, ensuring consistent power delivery to components that directly impact turbine safety and efficiency.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE DS200DCFBG1BNC |
| Manufacturer | General Electric (GE) |
| Product Type | DC Power Distribution & Fault Protection Module (Mark V Speedtronic) |
| Core Function | 24V DC power distribution; overcurrent/short-circuit protection; power health monitoring |
| Compatible System | GE Mark V Speedtronic Turbine Control System (Firmware v5.0+) |
| Input Voltage | 24V DC (±15% tolerance); dual redundant input support |
| Output Channels | 10 isolated 24V DC channels (2.5A max per channel); total output current: 12A |
| Protection Mechanisms | Overcurrent: 1.2x rated current (time-delayed, 0.5–2s); Short-circuit: Instantaneous (<3ms) |
| Power Efficiency | ≥93% (at full load); ≤5W standby power |
| Monitoring Capabilities | Per-channel voltage/current tracking; input power stability alerts; fault event logging |
| Communication Interface | Mark V backplane (10Mbps, for fault data); 2 discrete fault outputs (24V DC, for alarms) |
| Operating Temperature | -40°C to +70°C (no condensation) |
| Storage Temperature | -40°C to +85°C |
| Physical Dimensions | 175mm (L) × 120mm (W) × 35mm (D) (Mark V standard single-slot form factor) |
| Weight | ~460g |
| Protection Rating | IP20 (panel-mount, dust-resistant for control cabinets) |
| Certifications | UL 61010-1 (industrial control safety); CE (EMC compliance); IEC 60950-1 (IT equipment safety) |
| Diagnostic Features | Per-channel overload alerts; input voltage dip detection; short-circuit fault memory (100 events) |

DS200DCFBG1BNC
Main Features and Advantages
Isolated Per-Channel Protection: GE DS200DCFBG1BNC includes 10 fully isolated output channels, each with independent overcurrent and short-circuit protection—unlike generic units that use a single circuit breaker for all outputs. This means a fault in one component (e.g., a shorted sensor connected to Channel 3) won’t shut down power to critical modules (e.g., a turbine protection board on Channel 7). A 350MW gas turbine plant in the Middle East avoided a 3-hour outage when GE DS200DCFBG1BNC isolated a shorted proximity probe on one channel, allowing the rest of the Mark V system to operate normally while the fault was repaired. The 2.5A per-channel capacity also accommodates higher-power Mark V components (e.g., display modules) that generic units struggle to support.
Dual Redundant Inputs for Uninterrupted Power: GE DS200DCFBG1BNC supports two independent 24V DC input sources, enabling seamless failover if one power supply fails. This redundancy is critical for safety-critical turbine systems, where a single power source outage could disable protection modules and trigger unnecessary shutdowns. A North American coal-fired plant leveraged this feature during a partial power grid dip: when the primary input lost voltage, GE DS200DCFBG1BNC switched to the backup supply in <100ms, preventing a loss of communication with the turbine’s speed sensors and avoiding a $150,000 production loss. The module’s low standby power (<5W) also reduces energy waste, aligning with plant efficiency goals.
Real-Time Power Monitoring & Diagnostics: GE DS200DCFBG1BNC continuously tracks voltage and current for each output channel, sending data to the Mark V HMI for real-time visibility. This allows operators to detect early warning signs of issues—such as a gradual current drop indicating a loose wire, or a voltage spike pointing to a failing power supply—before they cause faults. For example, a European combined-cycle plant used the module’s monitoring to identify a deteriorating cable on a fuel valve I/O module; the issue was fixed during a scheduled maintenance window, avoiding an unplanned shutdown. The module also logs up to 100 fault events, providing a detailed history for root-cause analysis—making post-fault investigations 60% faster than with legacy power units.
Application Field
GE DS200DCFBG1BNC is indispensable in Mark V-based turbine systems where reliable power delivery is mission-critical, with standout use cases in power generation and oil & gas.
In power generation, GE DS200DCFBG1BNC ensures stable operation of Mark V control systems. A 400MW steam turbine plant in India deployed GE DS200DCFBG1BNC to power 10 Mark V components, including analog I/O boards, a digital signal processor, and an emergency protection module. During a monsoon-related grid fluctuation, the module’s redundant inputs prevented a power loss to the turbine’s overspeed protection board—critical for avoiding a catastrophic turbine failure. The per-channel protection also isolated a faulty relay on one channel, allowing technicians to replace it without shutting down the entire control system. Over 12 months, the plant recorded zero power-related Mark V faults, improving turbine availability by 2%.
In the oil & gas sector, GE DS200DCFBG1BNC supports turbine-driven compressors in refineries. A Gulf Coast refinery used GE DS200DCFBG1BNC to power control components for a catalytic cracker turbine, including vibration sensors and fuel flow controllers. The module’s short-circuit protection prevented damage to expensive vibration sensors when a wiring fault occurred, avoiding a $40,000 replacement cost. Its real-time monitoring also alerted technicians to an overloaded fuel controller module, which was repaired before it caused inconsistent fuel flow—preventing a 2.5-hour process upset that would have cost $65,000 in lost production. The module’s ability to withstand high temperatures (-40°C to +70°C) also made it reliable in the refinery’s hot control cabinet environment.
Related Products
GE DS200PSDAD: Redundant 24V DC power supply that provides input power to GE DS200DCFBG1BNC, ensuring upstream power reliability.
GE DS200TCEBG1ACE: Turbine emergency protection module powered by GE DS200DCFBG1BNC, relying on its stable power to trigger critical shutdowns.
GE DS200TCCAG1BAA: Analog I/O module that draws power from GE DS200DCFBG1BNC’s output channels, processing turbine sensor data for the Mark V controller.
GE IC660HHM501: Handheld diagnostic tool used to test GE DS200DCFBG1BNC’s output voltage/current and protection logic during maintenance.
GE DS200KLDCG1AAA: Mark V display module powered by GE DS200DCFBG1BNC, ensuring consistent operator visibility of turbine status.
GE DS200DCFBG1BKC: Sister module to GE DS200DCFBG1BNC (8 output channels, 10A total current) for smaller Mark V systems.
GE DS200DSPCH1ADA: Digital signal processing module that receives power from GE DS200DCFBG1BNC, executing turbine control algorithms.

DS200DCFBG1BNC
Installation and Maintenance
Pre-installation preparation: Before installing GE DS200DCFBG1BNC, confirm the Mark V system firmware is v5.0 or higher to support the module’s diagnostic data transmission. Use ESD-safe tools (anti-static wristband, insulated screwdrivers) to handle the module, as its internal power circuits are sensitive to electrostatic discharge. Verify that input power supplies (24V DC, ±15% tolerance) can deliver at least 12A total current, and connect redundant inputs to separate power sources (e.g., primary and backup plant DC buses) for failover capability. Label each output channel cable (e.g., “OUT-CH04-TCEBG1ACE,” “OUT-CH07-TCCAG1BAA”) to match the Mark V component it powers, preventing miswiring that could cause overloads or component damage.
Maintenance recommendations: Perform monthly visual inspections of GE DS200DCFBG1BNC to check for loose input/output terminals, corrosion on connectors, or illuminated fault LEDs. Clean the module’s surface with a dry, lint-free cloth—avoid compressed air or liquids, which can dislodge internal fuses or damage circuits. Quarterly, measure output voltage (target: 24V ±5%) and current (per channel ≤2.5A) using a calibrated multimeter, and verify that redundant input switchover works by temporarily disconnecting the primary power source. Semi-annually, test overcurrent protection by simulating a 3A load on one channel, confirming the module triggers a fault within 2 seconds; replace GE DS200DCFBG1BNC if output voltage drifts beyond 24V ±10% or if protection features fail to activate.
Product Guarantee
GE provides a 1-year standard warranty for GE DS200DCFBG1BNC, covering material defects, workmanship issues, and compliance with UL 61010-1/CE/IEC 60950-1 standards from the date of shipment. This warranty includes free replacement of faulty units and 24/7 access to GE’s global technical support team—specialized in Mark V power system troubleshooting—to resolve issues like output instability or protection logic failures. For critical applications (e.g., nuclear power auxiliaries), GE offers extended warranties (up to 2 years) and on-site commissioning services, where technicians validate GE DS200DCFBG1BNC’s power distribution accuracy, redundant failover, and diagnostic functionality. GE also provides OEM-certified repairs for GE DS200DCFBG1BNC, restoring modules to factory specifications with a 6-month post-repair warranty—ensuring long-term reliability for the power infrastructure of Mark V turbine control systems.
Full 12-month warranty on all components
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Same-day dispatch on 1000s of parts
All units are fully tested
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You will get an email confirming that we have received your enquiry. - 2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition. - 3. Your quote
You will receive a comprehensive quote tailored to your specific needs.

Full 12-month warranty
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Full 12-month warranty on all components