GE IS200EPDMG1A Power Distribution Module

GE IS200EPDMG1A Power Distribution Module

IS200EPDMG1A  Specifications

IS200EPDMG1A Description

The GE IS200EPDMG1A is an Exciter Power Distribution Module (EPDM) designed for use in the EX2100 excitation 

control system, part of General Electric’s Mark VI Speedtronic platform. This module plays a critical role in 

distributing regulated power to essential system components, including control boards, I/O modules, and 

protection circuits.

Frequently asked questions：

Q1: What is the IS200EPDMG1A?
A1: The IS200EPDMG1A is a power distribution module used in industrial control systems to distribute and manage 

DC power, particularly in turbine and plant environments.
Q2: What DC power sources does it support?
A2: It uses P125 V and N125 V DC sources, derived from a 125 V DC station battery system.
Q3: What are the IS200EPDMG1A nominal voltages to ground?
A3: The IS200EPDMG1A module operates with +62.5 V and −62.5 V relative to ground, ensuring balanced DC 

distribution.
Q4: What is the IS200EPDMG1A main power supply source?
A4: The primary power supply is 125 V DC from a station battery, commonly used in critical control systems.
Q5: How many relay channels are available?
A5: The IS200EPDMG1A module includes 12 relay channels for switching and control functions.

Product Applications

Gas turbine control: Integrated in GE Mark VIe and other control systems, responsible for excitation control and 

protection of the power generation unit.
Steam turbine control: Used for monitoring and power distribution of steam units in large combined cycle power plants.
Wind power generation: As a key component of the power management system in large wind turbine control 

architectures.
Nuclear power and hydropower: Applied in nuclear energy control systems and pumped storage power stations 

for automatic control.
Oil and gas: Used for control and protection of offshore drilling platforms, gas compression stations, and pipeline 

pumping systems.
Seawater desalination plants: Plays a role in the power system monitoring of large water treatment facilities.
Process control (DCS): As a part of the distributed control system, manages the power distribution at the entire 

factory level. 

Key factory application functions
Power Distribution and Backup: Receives 125 VDC power from the station battery and supports two 120 VAC backup 

inputs to ensure that the system does not crash in the event of a main power failure.
Voltage Stability and Regulation: Through built-in filtering and voltage regulation functions, it prevents voltage 

fluctuations from damaging sensitive control boards (such as I/O boards and protection boards).
Real-time Monitoring and Diagnosis: Equipped with fault detection and LED status indication, it supports remote 

monitoring of power status from the central control room, facilitating rapid maintenance.

Claim Your Extra Discount: Contact Sales Manager Lisa Lin for Details

:+86 18965423501     :sales7@amikon.cn     :AMKPLC

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