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GE 5A01JXA003XH power distribution module
GE 5A01JXA003XH
Product Overview
GE 5A01JXA003XH is a dedicated power distribution module for the GE Mark VIe gas turbine control system, serving as a critical power management component in the Speedtronic™ series. Designed for redundant power distribution and monitoring within gas turbine control cabinets, this module provides a stable 24V DC power supply to Mark VIe I/O modules (such as the IS200/DS200 series) and features real-time voltage/current monitoring capabilities.
5A01JXA003XH adopts a dual-input redundancy design with automatic switching (switching time < 10ms), ensuring continuous operation of the control system in case of power failure. Its integrated circuit breaker protection and LED status indicators facilitate quick identification of power anomalies, making it suitable for scenarios with extremely high requirements for power supply reliability, such as combined cycle power plants and offshore platforms.
Product Parameters
- Product Model: 5A01JXA003XH
- Manufacturer: GE Energy (Mark VIe series)
- Product Type: Redundant power distribution module
- Input Voltage: Dual 24V DC (range 18-36V)
- Output Voltage: 24V DC (regulated)
- Output Current: 20A (total capacity, with multiple outputs)
- Redundancy Switching Time: < 10ms
- Protection Functions: Overcurrent (self-recovering), reverse polarity, surge (4kV)
- Monitoring Interface: RS-485 (Modbus RTU protocol)
- Operating Temperature: -40°C ~ +70°C
- Protection Class: IP20 (must be installed in a control cabinet)
- Compatible Systems: GE Mark VIe / EX2100e
- MTBF: 500,000 hours (IEC 61709)
Structure and Composition
5A01JXA003XH consists of the following core components:
Power Input Layer
- Dual 24V DC input terminals, enabling seamless switching via ORing MOSFET.
- Integrated EMI filter and 4kV surge protection (compliant with IEC 61000-4-5).
Power Distribution and Protection Layer
- 6 independent outputs (each with an electronic circuit breaker, configurable current of 5A/10A/20A).
- Each output is equipped with a current sensor (±1% accuracy) and an LED fault indicator.
Communication and Monitoring Layer
- Uploads voltage/current data to the Mark VIe controller via RS-485.
- Supports remote configuration of threshold alarms through ToolboxST software.
Key Features and Advantages
High-Reliability Redundancy
- Automatic switching between dual input power supplies, meeting N+1 redundancy requirements (IEC 61508 SIL2).
- Industrial-grade DC/DC converter (efficiency > 92%) to reduce heat loss.
Intelligent Power Management
- Real-time monitoring of each load current to prevent overloads predictively.
- Integration into the plant DCS system via Modbus RTU.
Convenient Maintenance Design
- Front-panel LEDs intuitively display input/output status (green = normal, red = fault).
- Hot-swappable for replacement without shutdown.
Harsh Environment Adaptability
- Operates in a wide temperature range of -40°C ~ 70°C, and is certified for shock and interference resistance (IEEE 1613).
Application Fields
- Gas Turbine Control Cabinets: Powers modules such as IS220PAICH1A (analog module) and DS200DENCF2BDD (digital module).
- Steam Turbine Protection Systems: Provides redundant power supply for critical sensors (vibration, displacement).
- Offshore Oil Platforms: Adapts to high-salt-fog environments and supplies stable power to emergency shutdown systems (ESD).
Related Products
- DS200PSAG: Mark VIe standard power module, usable as an input source.
- IS200ERMG: Fiber optic communication card for data transmission.
- DS200TBQCG1AAA: Terminal board for connecting power to field devices.
- EX2100e: Excitation control system, compatible with this power module.
- IC693PWR321: 90-30 series power supply for hybrid system expansion.
Installation and Maintenance
Pre-Installation Preparation
- Confirm correct input power polarity (reverse connection protection is limited to ±10V).
- Tighten power terminals with a torque screwdriver (0.6N·m).
- Install a 120Ω terminal resistor for the RS-485 communication line.
Maintenance Recommendations
- Check output voltage fluctuations monthly (should be < ±1%).
- Clean the module’s heat dissipation ducts annually (for models with fans).
- Export parameter configurations via ToolboxST when replacing the module.
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