IS2020RKPSG3A

The GE IS2020RKPSG3A is a rugged and highly reliable VME rack power supply module engineered for the GE Mark VI / Mark VIe turbine control platforms, where uninterrupted power delivery is critical for high-availability industrial automation. Purpose-built to provide stable DC power with redundancy and comprehensive protection mechanisms, this module ensures that control and I/O subsystems remain operational even under adverse conditions. Its intelligent design and robust electrical architecture make it a trusted power backbone in turbine control cabinets, ensuring long service life and minimal unplanned downtime.

Technical Specifications

Specification	Details
Model	IS2020RKPSG3A
Module Type	VME Rack Redundant Power Supply Module
Compatible Platforms	GE Mark VI / Mark VIe Speedtronic Control Systems
Primary Function	Redundant DC power distribution for rack modules
Input Voltage	Universal AC (100–240 VAC) or DC (90–150 VDC) depending on configuration (jumper-selectable)
Output Power	~400 W total capacity; multiple regulated DC outputs including +28 V PSA and logic power rails
Redundancy	N+1 or hot-swap capable redundant operation with automatic switching ≤ 5 ms
Protection Features	Overvoltage, overcurrent, short-circuit, thermal overload protection
Status Indicators	Front-panel LEDs for power and fault status
Mounting	VME rack / chassis installation
Dimensions (Approx.)	233 × 169 × 47 mm (may vary with revision)
Weight	~2.3 kg (approximate)
Operating Temperature	–40°C to +70°C (industrial grade)
Humidity Tolerance	5–95 % non-condensing

Recommended Related Modules

For a resilient and complete control rack architecture, the following GE modules are frequently paired with the IS2020RKPSG3A:

GE IS200DSPXH1D Digital Signal Processing Board
GE IS200VRTDH1D Control Coordination Board
GE IS200VTURH1B Protection & Sequencing Board
GE IS200VSVOH1B Servo Control Board
GE IS200VVIBH1C Vibration Monitoring Module

These modules complement power delivery with core control, protection, and I/O processing capabilities.

Popular GE Mark VI Control Modules

Among widely used Mark VI components across industrial and power generation installations are:

GE IS200TBAIH1C Analog Input Board
GE IS215UCVEM06A Utility Control Module
GE IS200VGENH1B Generator Interface Board
GE IS200VTCCH1C Rack Communication Module
GE IS200VCRCH1B Control Register Board

These boards, along with the IS2020RKPSG3A power supply, form the backbone of turbine control reliability.

Applications

The IS2020RKPSG3A excels in:

Gas and steam turbine control rack power systems
Combined-cycle power plant automation
Industrial process control where redundant DC power is essential
Automated systems requiring continuous operational availability
Retrofit and modernization of existing Mark VI/VIe installations

Its redundancy and protection features make it ideal for environments where power stability directly impacts safety and process continuity.

Advantages

Robust Redundancy & Reliability
Automatic switching and N+1 hot-swap capability help prevent control system outages and unplanned trips.

Comprehensive Protection
Multi-level protections guard against overcurrent, short-circuit, and thermal faults, safeguarding both the module and downstream components.

Wide Input Compatibility
Supports both universal AC and DC inputs, making it suitable for global industrial installations.

Industrial-Grade Durability
Designed to operate across a wide temperature range with industrial vibration, noise, and humidity tolerance.

Service-Friendly Diagnostics
Front-panel LED indicators and fault logic reduce troubleshooting time and improve maintainability.

Technical FAQs

What is the main role of the IS2020RKPSG3A?
It functions as a redundant VME rack power supply providing stable DC power to Mark VI control racks.
Which systems is it compatible with?
It’s designed for GE Mark VI and Mark VIe Speedtronic turbine control systems.
What input voltages are supported?
The module can accept wide-range AC or DC input depending on configuration (100–240 VAC or 90–150 VDC).
What is its output power capacity?
Approximately 400 W total delivered across regulated DC rails.
Does it support redundancy?
Yes, it supports N+1 redundant supply configurations with rapid automatic switching.
What protections are included?
Overvoltage, overcurrent, short-circuit, and thermal protections are built-in.
Can it be hot-swapped?
Yes, many configurations allow hot swapping without shutting down the rack.
What are the physical dimensions?
Roughly 233 mm × 169 mm × 47 mm (may vary with revision).
How heavy is this module?
Approximate weight is ~2.3 kg.
Is it suitable for harsh industrial environments?
Yes, it’s built to withstand wide temperature and humidity ranges typical of industrial control cabinets.