Description
- Model: IS200TREAH2AED
- Brand: GE General Electric
- Series: Mark VI Speedtronic
- Board Type: TREA Turbine Emergency Protection Terminal Board
- Functional Revision: H2
- Artwork Revision: A
- Manufacturing Revision: ED
- Application: Mark VI emergency/backup turbine protection architecture
- Associated Daughter Board: IS200WREA
- Associated I/O Pack: IS220PPRAH1A
- Protection Architecture: Three PPRA I/O packs can be mounted on one TREA/WREA assembly for TMR protection
- Speed Inputs: Six turbine speed inputs distributed to the three protection packs
- Input Arrangements: Two speed sensors on each of three shafts, or three sensors on each of two shafts
- Communication Interfaces: Terminal-board connections to the associated protection I/O packs
- Approx. Dimensions: Exact OEM mechanical dimensions are configuration-dependent and should be confirmed from the physical board
- Estimated Shipping Weight: Not reliably established from primary documentation
- What’s in the Box: IS200TREAH2AED terminal board only unless the PO explicitly includes IS200WREA, IS220PPRAH1A packs, cables, or mounting hardware
- Packaging: ESD shielding bag, connector protection, rigid PCB support, moisture-controlled outer carton
The TREA architecture is documented as the terminal-board platform for IS220PPRAH1A Emergency Turbine Protection I/O packs, with an IS200WREA daughter board. Three PPRA packs can be used on one TREA assembly to provide a TMR emergency-protection arrangement.
Product Introduction
Structure C — Compliance Hook
The GE IS200TREAH2AED is associated with the Mark VI turbine protection architecture, where terminal-board identity is directly tied to the protection hardware mounted on it. The TREA assembly provides the physical field interface for the associated PPRA emergency-protection I/O packs, including the turbine speed-sensor channels used by the independent backup protection system. GE-related technical records identify six speed inputs distributed across the three protection packs, supporting either two sensors on three shafts or three sensors on two shafts.
For asset control, the complete board identification is essential. IS200TREAH2AED should not be stored as a generic “Mark VI terminal board,” because the TREA family has different application variants and mounting relationships. A like-for-like replacement can preserve an existing protection assembly, while substituting a different TREA revision without reviewing the PPRA/WREA combination can invalidate the intended architecture (particularly where hazardous-location certification or independent emergency protection is involved).
Core Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | GE General Electric |
| Part Number | IS200TREAH2AED |
| Series | Mark VI Speedtronic |
| Board Acronym | TREA |
| Product Type | Turbine Emergency Protection Terminal Board |
| Functional Revision | H2 |
| Artwork Revision | A |
| Manufacturing Revision | ED |
| Associated Daughter Board | IS200WREA |
| Associated I/O Pack | IS220PPRAH1A |
| Protection Function | Emergency / backup turbine protection interface |
| TMR Architecture | Supported with three PPRA I/O packs |
| Speed Inputs | 6 |
| Speed Distribution | Two sensors × three shafts, or three sensors × two shafts |
| PPRA Quantity | 3 in the documented TMR arrangement |
| Terminal Function | Field signal interface between turbine sensors and protection I/O packs |
| Processor | None on the passive TREA terminal-board assembly |
| Memory | None on the terminal board itself |
| Firmware | None on the passive terminal-board function |
| Power Draw | Determined by associated PPRA/WREA protection hardware and field circuits |
| Heat Dissipation | Configuration-dependent |
| Standalone Voltage Rating | Dependent on the associated protection architecture |
| Hazardous-Area Status | Must be established from the complete certified assembly |
| Mounting | Mark VI terminal-board / I/O-pack assembly |
| Lifecycle Profile | Legacy Mark VI turbine-protection hardware |
The TREA board should be understood as the physical interface platform, not as the processor-containing protection pack itself. The PPRA pack supplies the active processing electronics, while the TREA/WREA arrangement provides the associated terminal and signal interfaces.

GE IS200TREAH2AED
🚨 Global Compliance & Industry Certifications
- CE Mark: Any CE claim should apply to the applicable Mark VI system/configuration. Do not make a standalone CE declaration from the TREA part number alone.
- UL/cUL: Verify the exact cabinet and protection-system certification before making a UL/cUL claim.
- ATEX: The associated IS220PPRAH1A has documented hazardous-location certification in specified combinations with TREA and WREA hardware. This does not mean every IS200TREAH2AED unit is independently certified for hazardous-area installation. ([turn556193search0])
- IECEx: Do not transfer ATEX certification automatically to IECEx. The exact destination certificate and hardware combination must be checked.
- Marine Approvals: No revision-specific marine approval was established for from the accessible records.
- Functional Safety: The TREA/PPRA architecture supports independent turbine emergency protection. A SIL claim, however, belongs to the complete safety system and certified configuration rather than the terminal board alone.
- Electrical Safety: The board participates in turbine protection circuits. All associated field energy sources must be isolated before maintenance.
- Audit Documentation: Retain the complete board number, revision markings, associated WREA/PPRA identifiers, serial or lot information, certification records, COO, and test report.
Verify specific lot certifications with OEM.
🚨 Long-Term Storage & Asset Preservation Guide
Keep the TREA board in an ESD shielding bag. Although it is primarily a terminal/interface assembly, its connectors and associated PCB interfaces remain susceptible to static discharge and contamination.
Protect the mating interfaces. The TREA mates with an IS200WREA daughter board and supports the associated PPRA protection packs. Keep connector surfaces capped or otherwise protected, and never store the board with loose metal hardware pressing against its mating contacts.
Preserve the complete configuration record. Photograph the board identification, connector layout, daughter-board interface, and any configuration markings before placing the asset into long-term storage. Do not remove an associated WREA board simply for visual inventory inspection.
Control warehouse humidity. Store in a clean, dry area, preferably below 60% RH where no more specific GE storage specification is available. Use sealed packaging and suitable desiccant to reduce corrosion risk around connectors and metallic mounting hardware.
For a protection-system spare, record the last functional-test date, board revision, associated PPRA/WREA hardware, and certification status. That information becomes important when a turbine outage requires rapid release from stores.
Physical Installation Prerequisites
- Architecture Match: Confirm that the installed system requires the TREA/WREA/PPRA emergency-protection arrangement before installation.
- Daughter Board: Verify the correct IS200WREA daughter board is fitted and mechanically secure.
- PPRA Packs: Confirm compatibility with the installed IS220PPRAH1A protection packs. Three packs are used for the documented TMR arrangement.
- Speed Sensors: Verify the six speed-input wiring against the turbine protection drawing before reconnecting field conductors.
- Sensor Topology: Confirm whether the turbine uses two sensors on three shafts or three sensors on two shafts.
- Mechanical Mounting: Check threaded posts, mounting brackets, connector alignment, and retaining hardware before inserting the protection packs.
- DC-62 Interfaces: Inspect the mating interfaces for bent contacts, contamination, or damaged locking hardware.
- Ethernet/Network Hardware: The active PPRA packs provide the communication interfaces; verify network cabling according to the installed Mark VIe/Mark VIeS protection architecture.
- Grounding: Follow the GE cabinet grounding and shield-termination scheme.
- Cooling: Maintain clear airflow around the active PPRA packs mounted on the terminal board.
- Power Isolation: Lock out all relevant control and field power before removing the TREA assembly.
- ESD: Use a grounded wrist strap and antistatic work surface throughout handling.
- Service Clearance: Leave sufficient access for removing the PPRA packs and servicing the WREA interface without forcing cables or connectors.
The active PPRA protection pack mounts directly on the TREA assembly, while the WREA daughter board forms part of the complete emergency-protection interface.
Buyer’s FAQ
Q1. What HS tariff code should be used for GE ?
Do not classify this part as a generic electronic board without considering its actual function. The is a dedicated turbine emergency-protection terminal board used with specialized Mark VI protection hardware.
A provisional review may consider headings covering parts of electrical control or protection apparatus, but the final national tariff code must be confirmed by the importer or customs broker. The commercial invoice should state “GE Mark VI TREA Turbine Emergency Protection Terminal Board”.
Q2. What Country of Origin should appear on the COO?
Use the actual manufacturing origin of the physical board, supported by its nameplate and supplier traceability. Do not infer origin from the destination of a previous shipment or the current corporate identity of GE.
For audit control, retain the actual-unit photograph, serial/lot record, supplier COO statement, and commercial invoice together.
Q3. Should I insure shipment of ?
Yes, particularly for a turbine protection spare. Protect the connector interfaces and mounting hardware against shock and compression during transport.
Photograph the complete TREA board, revision markings, daughter-board interface, and packaging before dispatch. Those records support both freight claims and incoming inspection.
Q4. Does include the latest firmware pre-loaded?
No. The TREA is a terminal/interface board and does not serve as the primary firmware-bearing processor. Firmware and application configuration reside with the associated active protection I/O packs and Mark VI control architecture.
Q5. Can I substitute any TREA board for ?
No. The complete TREA revision, WREA daughter board, PPRA I/O pack, sensor topology, and system certification must be checked. The documented PPRA protection architecture uses three packs on the TREA/WREA assembly for TMR emergency protection. For a safety-related spare, match the complete hardware combination rather than purchasing solel on the “TREA” family designation.



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