IS200EPSMG2A GE EX2100 Exciter Power Supply Module
IS200EPSMG2A is a rugged power supply module developed by
General Electric for the EX2100 excitation platform.
It converts DC link voltage into multiple isolated outputs for regulator control systems.
The module supports stable turbine excitation operation in demanding industrial environments.
Module Overview
- Product Type: Exciter Power Supply Module
- Series: EX2100 Excitation Control System
- Part Number: IS200EPSMG2A
- Manufacturer: General Electric
- Board Revision: Functional Revision A
- Application: Regulator Control Power Conversion
- Country of Origin: United States
- Stock Status: Available Now
- Manual: GEI-100462A
Electrical Design Highlights
- Uses a buck regulator and push-pull inverter structure.
- Converts DC input into regulated control voltages.
- Provides high-voltage isolation through transformer design.
- Supports stable controller and terminal board operation.
- Supplies isolated contact wetting voltage.
- Supports fan, relay, and feedback module power distribution.
- Includes EPSD daughter board for high-voltage acceptance.
- Improves clearance and creepage protection.
- Integrated fuse protects regulator power input circuits.
Output Power Configuration
- +5 VDC for control logic circuits
- ±15 VDC for analog control electronics
- +24 VDC for system modules and relays
- ±24 VDC for fans and external assemblies
- +70 VDC isolated contact wetting supply
- 20 VAC isolated output for IGBT gate circuits
- ±55 VDC support for ground detector functions
Technical Data
- Brand: General Electric
- Model: IS200EPSMG2A
- Board Type: Power Supply Board
- Series: EX2100
- Operating Temperature: -30°C to +65°C
- Isolation Design: High-voltage transformer isolation
- Input Conversion: DC link to regulated DC outputs
- Contact Wetting Supply: 70 VDC
- Voltage Outputs: 5 VDC, ±15 VDC, +24 VDC
- Weight: Less than 2 lbs
- Module Size: 15.9 cm × 17.8 cm
- Environmental Resistance: Industrial cabinet operation
- Noise Immunity: Strong electrical interference resistance
- Cooling Support: External fan supply supported
- Compatibility: EPBP, ERBP, ERRB backplanes
Typical System Integration
- Used in GE EX2100 regulator control cabinets.
- Supports simplex and redundant excitation systems.
- Works with M1, M2, and C controllers.
- Installed in ERBP and ERRB regulator backplanes.
- Interfaces with EDCF, EDEX, and EGDM modules.
- Supports excitation turbine control applications.
Suitable Equipment
- Steam turbine excitation systems
- Gas turbine regulator cabinets
- Industrial generator excitation panels
- Power plant AVR systems
- High-voltage regulator assemblies
- Industrial energy control systems
Installation Notes
- Install inside a clean and dry control cabinet.
- Verify DC input voltage before startup.
- Inspect connector seating carefully.
- Check cooling airflow during commissioning.
- Use anti-static handling procedures.
- Follow GEI-100462A installation instructions.
Oiltech Controls Insight
- IS200EPSMG2A is widely used in legacy EX2100 upgrades.
- The isolated 70 VDC output improves field contact reliability.
- Stable ±15 VDC output supports analog signal accuracy.
- Revision 2A modules are not backward compatible.
- Proper cabinet ventilation extends module lifespan.
- Field engineers prefer this module for stable regulator operation.
Delivery and Warranty
- 24–28 Hours Fast Dispatch
- Worldwide delivery available.
- Shipping by FedEx, UPS, and DHL.
- Protective anti-static packaging included.
- 12-Month Warranty supported.
- Technical support available after delivery.
Professional FAQ
- How do I confirm IS200EPSMG2A compatibility?Check the EX2100 cabinet architecture and backplane type first.
This module fits ERBP and ERRB regulator backplanes. - What is the most important installation check?Verify the DC input source and cabinet cooling condition before startup.
Improper airflow may reduce module life. - Can this module replace older EPSM versions?Not always.
Version 2A is not backward compatible with some earlier revisions. - Why is isolated 70 VDC output important?It improves contact wetting reliability and reduces unstable field signal conditions.
This is critical in turbine control systems. - What should buyers confirm before ordering?Confirm controller structure, system redundancy mode, and required output voltages.
Sharing cabinet photos helps reduce ordering errors.
Technical Support Contact
- Email:
info@oiltechcontrols.com
- WhatsApp:
+86 158 8020 0923
- Official Website:
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