IS2020RKPSG3A GE Mark VI Speedtronic VME Rack Power Supply Module

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H1

IS2020RKPSG3A GE Mark VI Speedtronic VME Rack Power Supply Module

H2 Overview

IS2020RKPSG3A Product Introduction

IS2020RKPSG3A is a high-power VME rack power supply module for GE Speedtronic Mark VI gas & steam turbine control system. It mounts on the right side of the VME control and interface rack, supplying regulated multi-rail DC power to the rack backplane and all VME board assemblies.

This unit accepts 125VDC input and delivers total rated power of 400W. It generates multiple stabilized DC outputs: +5V, ±12V, ±15V and +28VDC. It includes six +28V PSA outputs, one of which is remote, plus dedicated Status ID signal output for power health diagnostics. The front panel is equipped with a toggle reset switch and 3-color LED status lights (Normal, Fault, Available) for quick on-site visual diagnosis.

Built-in overcurrent, overvoltage and short-circuit protection prevents damage to the rack I/O boards during power anomalies. Large integrated heat sinks maintain stable thermal performance under continuous full load. It supports Simplex and TMR triple modular redundant Mark VI rack configurations. This power module is one of seven main variants of Mark VI VME rack power supplies and is a critical spare for planned turbine outages and rack retrofits.

H2 Key Features

• ✅ GE Speedtronic Mark VI turbine control compatible VME rack power supply
• ✅ Part Number: IS2020RKPSG3A
• ✅ 400W rated total output power, 125VDC input
• ✅ Multiple regulated DC rails: +5V, ±12V, ±15V, +28VDC
• ✅ Six +28V PSA outputs including remote +28V, Status ID diagnostic output
• ✅ Front panel toggle reset switch + 3-color LED status indicators
• ✅ Integrated overvoltage, overcurrent & short-circuit protection
• ✅ Heavy-duty heat sink design for continuous high-load operation
• ✅ Mounts on right side of Mark VI VME control rack
• ✅ Supports Simplex / TMR triple redundant turbine control rack
• ✅ Conformal coated internal PCB, rugged EMC design for power plant cabinets
• ✅ Part Number: IS2020RKPSG3A

H2 Technical Specifications

• Part Number: IS2020RKPSG3A
• Brand: GE General Electric / GE Vernova
• Series: IS2020 / Mark VI Speedtronic
• Module Name: VME Rack Power Supply Module
• Input Voltage: 125 VDC
• Rated Output Power: 400W
• Output Rails: +5V, ±12V, ±15V, +28VDC
• PSA Outputs: 6 × +28V PSA (1 remote)
• Diagnostic Signal: Status ID output
• Front Panel: Toggle reset switch; Green(Normal), Red(Fault), Yellow(Available) LEDs
• Installation: Right side of Mark VI VME control & interface rack
• Protection: OVP, OCP, short-circuit protection
• Operating Temperature: 0°C ~ +60°C
• Core Function: Provide all required regulated DC power to Mark VI VME backplane and I/O boards

H2 Applications

GE IS2020RKPSG3A power module is widely used in power generation and heavy industry:

• Gas turbine & steam turbine Mark VI Speedtronic control rack
• Combined cycle power plant turbine control cabinet main power source
• Simplex and TMR redundant Mark VI rack power replacement
• Thermal power station and petrochemical captive power plant MRO spare

Common use cases: spare replacement, planned outage maintenance, Mark VI rack upgrade and power unit retrofit.

H2 Our Supply

We supply genuine GE IS2020RKPSG3A turbine power supply spare parts.

• Available in stock
• Full power-load testing and output rail calibration before shipment
• Anti-static and shock-resistant packaging for heavy power module
• Worldwide delivery
• Compatibility consultation for Mark VI rack backplane and TMR power redundancy setup

GE BRAND

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