| Specification Attribute | Technical Value |
|---|---|
| Manufacturer | General Electric |
| Series | EX2100 |
| SKU | IS200EPSMG2A |
| Product Type | Exciter Power Supply Module |
| Product Origin | United States |
| Weight | 2 lbs |
| Expected selling price (USD) | Request a quote |
| Condition | New Surplus |
| Shipping Port | From USA |
| Warranty | Standard Warranty |
| Shipping Details | FedEx, UPS, DHL |
| Has Merchant Return Policy | Yes, within 30 days |
| Instruction Manual | GEI-100462A |
| Reviews | 4.8 out of 5 |
| Aggregate Rating | 4.8 out of 5 |
Core Value
The GE IS200EPSMG2A directly solves voltage regulation failures in high‑excitation turbine systems. Operators in oil refineries and power plants rely on its stable 70 VDC wetting supply. This module prevents costly downtime by maintaining precise output voltages despite fluctuating input. Consequently, it extends the life of EX2100 regulators and reduces unscheduled maintenance.
Technical Insights
The IS200EPSMG2A uses a buck regulator to convert input voltage into a stable 50 VDC intermediate bus. After that, a push‑pull inverter generates three isolated outputs: 5 VDC, 15 VDC, and 24 VDC. This design provides high‑voltage isolation between the main supply and the control system. Specifically, the isolation rating ensures safe operation in harsh industrial environments. Furthermore, the unit operates reliably from ‑30 °C to +65 °C. That temperature range makes it suitable for outdoor turbine enclosures. Additionally, the module weighs less than two pounds, simplifying installation in crowded cabinets. Therefore, engineers can quickly replace a failed unit without complex wiring changes. Moreover, the aluminum‑based PCB dissipates heat efficiently. This feature prevents thermal stress on surrounding components. Consequently, the module achieves a long service life in continuous‑duty applications. In chemical processing plants, the EPSMG2A also resists vibration common near rotating machinery. The robust design directly contributes to stable excitation control throughout the turbine startup sequence.
Installation and Maintenance Guide
First, always power down the entire EX2100 cabinet before replacing this module. Use a grounded wrist strap to avoid electrostatic discharge damage. Second, verify that the input voltage matches the module rating. The IS200EPSMG2A requires a nominal 125 VDC input bus. Third, after installing, check the three output voltages with a calibrated multimeter. Perform this test before putting the regulator into automatic mode. For preventive maintenance, clean the board annually with compressed air. Pay special attention to the transformer and connector pins. Furthermore, inspect the fuse holder for corrosion if the unit is in a humid location. Replace the module immediately if you see any bulging capacitors or burn marks. Field experience shows that most faults come from poor input connections. Therefore, tighten all terminal screws to the specified torque value. Finally, keep a spare IS200EPSMG2A on site to minimize downtime during unplanned failures.
B2B Buyers FAQ
Question: What is the lead time for shipping this GE module?
Answer: We ship from stock within 24 hours. Choose FedEx, UPS, or DHL for express delivery.
Question: Does this module work with older EX2100 versions?
Answer: Yes, the IS200EPSMG2A is backward compatible with all EX2100 cabinets. It replaces both A and B revisions.
Question: Can I use this in a non‑GE excitation system?
Answer: Not recommended. The connector pinout and voltage levels are specific to the GE EX2100 platform.
Question: Do you provide a wiring diagram with the unit?
Answer: The manual GEI‑100462A includes full wiring details. We include a digital copy with each order.
Question: What is the typical failure rate of the IS200EPSMG2A?
Answer: In normal conditions, these modules surpass 50,000 hours MTBF. Most failures occur due to input surges.
