GE DS200SDCIG2A DS200SDCIG2AEB Ctrl Power Supply

This GE DS200SDCIG2A DS200SDCIG2AEB Ctrl Power Supply Board provides regulated DC power for Mark V control circuits. The board accepts a wide input range from 90V to 264V AC or DC. You will find this component in many GE turbine control systems worldwide. The DS200SDCIG2AEB variant includes a rugged conformal coating for harsh environments.

Technical Specifications

Parameter	Specification
Full Model	GE DS200SDCIG2A DS200SDCIG2AEB Ctrl Power Supply Board
Category	Ctrl Power Supply Board
Input Voltage	90V to 264V AC (47-63 Hz) or 110V to 300V DC
Output Voltages	+5V, +12V, -12V, +24V
Output Current	12A (+5V), 3A (+12V), 1.5A (-12V), 4A (+24V)
Efficiency	87% Typical at Full Load
Hold-Up Time	25 ms at Full Load
Dimensions (H x W)	250 mm x 140 mm
Weight	Approximately 1.08 kg
Connectors	2 x Terminal Blocks, 1 x 20-Pin Header
Component Count	186 Discrete Components
Energy Storage	4 x 1200 µF Bulk Capacitors

Power Conversion and Regulation Features

The GE DS200SDCIG2A DS200SDCIG2AEB Ctrl Power Supply Board uses a flyback converter topology. This design provides excellent line regulation across the entire input range. Each output has independent overcurrent protection with automatic recovery. Furthermore, the board includes overvoltage protection on all output rails. Consequently, downstream control cards receive clean, stable power continuously.

Installation and Connection Steps

Mount this GE DS200SDCIG2A DS200SDCIG2AEB Ctrl Power Supply Board in any Mark V rack slot. First, connect the AC or DC input to the TB1 terminals. After that, attach your load devices to the output terminals on TB2. Then, secure the board using four M4 mounting screws at the corners. Finally, verify each output voltage before connecting sensitive control circuits.

Energy Discharge and Safety Notice

This GE DS200SDCIG2A DS200SDCIG2AEB Ctrl Power Supply Board stores significant energy in its capacitors. Therefore, you must wait at least three minutes after power removal. The four bulk capacitors discharge through internal bleeder resistors. Never short the output terminals to discharge the board faster.

Status Indication and Diagnostics

Four green LEDs show the presence of each output voltage clearly. A yellow LED indicates the board is in normal operating mode. A red fault LED illuminates when any output falls below 90% of nominal. These indicators help technicians diagnose power issues without any test equipment.