General Electrics IS2020RKPSG2A VME Rack Power Supply Module

Description

The GE IS2020RKPSG2A is a VME Rack Power Supply Module designed for the Mark VI Turbine Control System. It delivers regulated DC power to VME backplanes and flame detection systems in gas, steam, and wind turbine applications. As part of GE’s Speedtronic series, it supports high-reliability control environments with redundant operation and multi-voltage outputs.

Specifications

• Model: IS2020RKPSG2A
• Series: Mark VI (Speedtronic)
• Function: VME Rack Power Supply
• Input Voltage: 125V DC
• Total Output Power: 400W
• Output Voltages: +5V, ±12V, ±15V, ±28V DC
• Optional Output: 335V DC (for flame detectors via TRPG)
• PCB Coating: Standard (Normal Coating)
• Redundancy Support: Yes
• Board Size: Approx. 6.25 × 4.25 inches
• Weight: ~7 lbs (3.2 kg)
• Operating Temperature: 0°C to 60°C
• Mounting: Right-hand side of VME rack via sheet metal bracket
• Connectors:
  • PSA and PSB (top) for VME rack power harness
  • P28C or PS28 (bottom) for external peripherals
  • Status connector (bottom)
• Manual Reference: GEH-6421E
• Origin: USA

Features

• Multi-Voltage Output: Supplies +5V, ±12V, ±15V, ±28V, and optional 335V DC
• Redundant Operation: Supports fault-tolerant configurations
• Front Panel Control: Locking power switch with fault reset capability
• Status Indicators: Three LEDs (green, red, yellow) for power, fault, and normal operation
• Modular Design: Each 28V DC module powers a specific VME rack section (A–F)
• Peripheral Support: External devices can be powered via PS28 output
• Direct Replacement Compatibility: RKPSG2 and LVPSG2 versions replace RKPSG1 and LVPSG1
• Industrial Reliability: Built for continuous operation in turbine control environments
• Speedtronic Legacy: Part of GE’s final-generation Mark VI systems using Speedtronic technology