GE IS2020RKPSG3A

Description

Detailed Parameter Table

IS2020RKPSG3A

Product Introduction

The GE IS2020RKPSG3A is a high-reliability redundant power supply module designed specifically for GE’s Mark VIe and Mark VIeS Distributed Control Systems. As a critical infrastructure component, it delivers stable 24 VDC power to I/O modules, processors, and communication devices within industrial automation systems, ensuring uninterrupted operation even during power anomalies.

Engineered with a 1+1 hot-swappable redundancy architecture, the IS2020RKPSG3A eliminates single points of failure in power delivery. This design allows one module to automatically take over full load if the primary unit fails, with no interruption to system operation. Its wide input voltage range (100-240 VAC) makes it suitable for global industrial installations, from 110V North American grids to 220V European systems.

In mission-critical environments like power plants and refineries, the GE IS2020RKPSG3A acts as the “power backbone” of the control system, protecting sensitive electronics from voltage fluctuations while maintaining consistent power to ensure process continuity. Its compact form factor and hot-swappable design simplify integration into existing Mark VIe cabinets, making it ideal for both new installations and system upgrades.

Core Advantages and Technical Highlights

Seamless redundancy: The 1+1 hot-swappable design of the IS2020RKPSG3A ensures zero downtime during power module failures. In a combined-cycle power plant, for example, if one module detects an internal fault, the redundant unit immediately assumes full load within 2ms—faster than the reaction time of control system components. This prevents nuisance trips of turbines or boilers, which could cost hundreds of thousands of dollars in lost production.

Comprehensive protection mechanisms: Equipped with overvoltage, overcurrent, short-circuit, and overtemperature protection, the GE IS2020RKPSG3A safeguards connected control system components. During a sudden voltage spike from the mains grid, its overvoltage protection clamps output to 26V, preventing damage to sensitive I/O modules. In the event of a short circuit (e.g., from a damaged field wire), the module limits current to 12A and automatically resets once the fault is cleared, avoiding the need for manual intervention.

High efficiency and global compatibility: With >90% efficiency at full load, the IS2020RKPSG3A minimizes energy waste and heat generation—a critical advantage in enclosed control cabinets. Its 100-240VAC input range eliminates the need for voltage transformers in international installations, simplifying procurement and standardizing spares across global facilities. In a multinational chemical company with plants in Asia and Europe, this compatibility reduces inventory complexity and training requirements.

Hot-swap capability: The ability to replace a faulty IS2020RKPSG3A without powering down the system is invaluable during scheduled maintenance or emergency repairs. Technicians can remove and replace modules using a simple lever mechanism, with status LEDs indicating which unit requires replacement. This feature is particularly beneficial in continuous-process industries like pulp and paper, where unplanned shutdowns can ruin batches worth millions of dollars.

Typical Application Scenarios

Gas turbine control systems: In a natural gas-fired power plant, the GE IS2020RKPSG3A provides redundant power to the Mark VIe controller managing turbine combustion. It supplies 24VDC to fuel valve positioners, flame detectors, and speed sensors—components where power loss could cause turbine trips. During a utility grid disturbance, the module’s stable output ensures the controller maintains precise fuel-air ratios, preventing flameouts and costly restarts.

Offshore oil platforms: Deployed in harsh marine environments, the IS2020RKPSG3A powers subsea control modules and topside safety systems. Its wide operating temperature range and resistance to vibration make it suitable for installation in platform control rooms, where space is limited and environmental conditions are extreme. The redundancy feature is critical here, as weather conditions often delay maintenance crews, making on-site repairs difficult.

Nuclear power auxiliary systems: In nuclear facilities, the GE IS2020RKPSG3A provides power to non-safety-related control systems such as cooling water pumps and ventilation fans. Its ATEX Zone 2 certification ensures safe operation in areas with potential hydrogen gas accumulation, while the redundant design aligns with nuclear industry requirements for high availability. The module’s ability to operate through voltage sags and surges protects against the electrical transients common in these facilities.

IS2020RKPSG3A

Related Model Recommendations

GE IS200PSVOH1A: A single-output power supply module for smaller Mark VIe subsystems, offering 5A output for applications not requiring full redundancy. It can be used alongside the IS2020RKPSG3A in distributed architectures where critical and non-critical loads are segregated.

GE IS200PWRPG1A: A power distribution module that distributes the IS2020RKPSG3A‘s 24VDC output to multiple I/O modules, with individual circuit protection for each branch. Ideal for large control cabinets with numerous components.

GE IS200ETPAG1A: An Ethernet switch powered by the IS2020RKPSG3A, creating a fully redundant network infrastructure when paired with the power module’s redundancy. Ensures both data and power redundancy in critical communication paths.

GE IS200VCRHG1A: A digital I/O module that relies on the IS2020RKPSG3A for power, handling discrete signals in safety systems. The combination provides end-to-end redundancy from power source to field device.

GE IS200JPDHG1A: An analog I/O module powered by the IS2020RKPSG3A, used in process control loops where both signal integrity and power reliability are critical.

GE IC698PWR330: A compatible power supply for RX3i PLCs, offering similar redundancy features to the IS2020RKPSG3A but for smaller control systems. Can be integrated in hybrid Mark VIe/RX3i architectures.

Installation, Commissioning and Maintenance Instructions

Installation preparation: Before installing the GE IS2020RKPSG3A, ensure the Mark VIe cabinet is powered down and locked out/tagged out (LOTO). Verify the input voltage matches the facility’s mains supply (100-240VAC) using a multimeter. Check that the mounting rails are clean and properly aligned, with sufficient clearance (minimum 50mm) for airflow around the module. Gather tools including a torque screwdriver (0.5-0.7 Nm) and anti-static wristband. Inspect the module for shipping damage, particularly to the input/output connectors and cooling vents.

Commissioning and maintenance: Mount the IS2020RKPSG3A in the designated slot, ensuring the backplane connector mates fully with the rack. Connect input power to the terminal block, observing proper phase and ground connections. Power up the system and verify the “OK” LED illuminates green on both modules (in redundant pairs). Use GE’s ToolboxST software to configure redundancy parameters, setting failover thresholds and monitoring intervals.

For maintenance, perform monthly visual inspections to check for dust accumulation or loose connections—clean vents with compressed air. Monitor temperature rise across the module (should not exceed 40°C above ambient) during peak load. When replacing a faulty unit, use the hot-swap procedure: press the release lever, remove the module, and insert the replacement without powering down the system. Verify the new module synchronizes with the redundant unit via the status LEDs. Store spare IS2020RKPSG3A modules in ESD packaging in a dry environment (20-60% humidity).

Service and Guarantee Commitment

GE provides a 36-month warranty for the GE IS2020RKPSG3A, covering manufacturing defects and component failures under normal operating conditions. The company’s global technical support team offers 24/7 assistance via phone, email, and secure remote access, with priority response for power supply-related issues that could impact system availability.

Customers gain access to detailed installation guides, redundancy configuration manuals, and firmware updates through GE’s Power Services Portal. Factory training courses are available to certify technicians in proper handling, commissioning, and troubleshooting of the IS2020RKPSG3A. For critical applications, GE offers extended warranty plans that include annual preventive maintenance checks, ensuring optimal performance throughout the module’s 10-year design lifecycle. This commitment reflects GE’s confidence in the IS2020RKPSG3A‘s reliability as a foundational component in industrial control systems.