Description
Product Introduction
When a wind turbine control cabinet develops a board-level fault, identifying the correct assembly is essential to avoid unnecessary wiring changes or commissioning delays. The GE IS215WEMAH1A is identified as a WEMA and BPPS board assembly for the Mark VIe wind turbine control platform, associated with the Wind Energy Main Cabinet A configuration.
The IS215WEMAH1A features conformal PCB coating and functional revision A. Publicly available documentation provides limited circuit-level specifications, so confirm the board’s exact function, connectors, and associated BPPS hardware against the original cabinet drawings before replacement.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Product model | IS215WEMAH1A |
| Manufacturer | GE Energy / General Electric |
| Control platform | Mark VIe Wind |
| Functional acronym | WEMA |
| Functional description | WEMA and BPPS board assembly |
| Cabinet designation | Wind Energy Main Cabinet A |
| Functional revision | A |
| PCB coating | Conformal coating |
| Assembly type | IS215 module assembly |
| Turbine application | Wind turbine control |
| Associated hardware | BPPS option board is referenced in the assembly description |
| Supply voltage | Not verified for this exact assembly |
| Communication interfaces | Not conclusively documented for this exact assembly |
| Operating temperature | Confirm using the applicable GE cabinet documentation |
| Protection rating | No verified IP rating available |
| Installation | Internal cabinet assembly; confirm mounting and connectors |
| Lifecycle | Legacy product; verify current availability |
| Condition | Confirm new surplus, refurbished, or repaired status |
GE’s extended product-life-cycle notice identifies IS215WEMAH1BA as the updated catalog number corresponding to the older IS215WEMAH1A. This is useful for lifecycle planning, but the notice does not by itself establish a universal, no-modification replacement for every installation.
Application Scenarios and Pain Points
Wind turbine control cabinets contain specialized assemblies whose functions may not be obvious from the model number alone. Correct identification helps maintenance teams avoid substituting a board intended for a different subsystem.
- Wind energy main cabinet maintenance: Supports servicing of installations using the WEMA assembly.
- Board-level fault investigation: Helps technicians identify the correct assembly for inspection or repair.
- Legacy turbine spare management: Provides a reference for matching original board markings and revision information.
- Lifecycle replacement planning: Supports evaluation of the updated IS215WEMAH1BA catalog designation against the installed system.
Field note: If a replacement is being considered, compare the complete assembly number and connector layout, then verify the cabinet wiring and control-system revision. Do not infer electrical ratings from a similar-looking Mark VIe board.

IS215WEMAH1A
Related Products
These products are related to GE wind-turbine control hardware. Their functions differ, and they are not all interchangeable with IS215WEMAH1A.
- IS215WEMAH1BA — Updated catalog designation identified in GE’s lifecycle notice for the WEMA Wind Energy Main Cabinet A assembly.
- IS215WETAH1B — Earlier WETA Wind Topbox A module; GE’s lifecycle notice lists IS215WETAH1CA as its updated catalog number.
- IS215AEPAH1A — Earlier AEPA wind pitch-axis control board; the lifecycle notice lists IS215AEPAH1C as its updated designation.
- IS215WEPAH1A — Earlier WEPA wind pitch-axis control board for a 30 Nm CANBus configuration; the updated catalog number is IS215WEPAH1B.
- IS215AEPCH1A — Wind pitch-center control board for a specified 20 Nm non-ESS configuration; the updated designation is IS215AEPCH1D.
Engineer’s Guide: Replacement Checks
1. Verify the complete model number.
Warning: Do not treat IS215WEMAH1A and IS215WEMAH1BA as automatically interchangeable. Confirm the approved replacement designation for the installed cabinet and control software.
2. Inspect the assembly and coating.
Check the PCB label, revision, connectors, signs of corrosion, component damage, and conformal-coating condition. Do not assume that visual similarity confirms electrical equivalence.
3. Confirm the circuit function and cabinet wiring.
Obtain the applicable GE drawing or parts list to verify the BPPS association, power requirements, and connected equipment. Follow the site’s isolation and commissioning procedures before returning the turbine to service.
For surplus or refurbished stock, request clear photographs of both board sides, complete nameplate details, inspection or functional-test records, repair history if applicable, and written warranty terms.
Frequently Asked Questions
Q1. What is the GE used for?
It is identified as a WEMA and BPPS board assembly for the GE Mark VIe wind turbine platform, associated with the Wind Energy Main Cabinet A configuration.
Q2. What does WEMA stand for?
GE’s lifecycle notice describes WEMA as Wind Energy Main Cabinet A. The product listing identifies the board as a WEMA and BPPS assembly.
Q3. Is IS215WEMAH1BA a replacement for ?
GE’s lifecycle notice lists IS215WEMAH1BA as the updated catalog number for . Before installation, verify the required system preparation, hardware revision, and control-software compatibility.
Q4. What are the exact voltage and communication specifications?
These details are not sufficiently established in the available documentation for the exact assembly. Use the applicable GE drawing and cabinet wiring documentation rather than relying on specifications published for unrelated boards.
Q5. Can I replace only the WEMA board if the assembly includes BPPS hardware?
That depends on the assembly construction and the plant’s approved repair procedure. Confirm whether the supplied part is a complete assembly or a board-only unit and whether the BPPS hardware is included.
Q6. What should I check before buying a refurbished unit?
Verify the full part number, revision, cabinet designation, connector condition, conformal coating, included hardware, test evidence, warranty, and dispatch lead time.
Q7. What information should I provide when requesting a replacement?
Provide the complete model number, photographs of the installed assembly and nameplate, turbine or cabinet identification, applicable drawing number, and the observed fault symptoms. This helps establish whether the required item is the original or its documented updated catalog designation.
