Description
Product Core Brief
- Part Number: UNS0887A-P
- Material Number: 3BHE008128R0001
- Brand: ABB
- Product Type: Control Module / Control Board
- Series: ABB excitation system family, exact platform to be confirmed by cabinet nameplate
- Core Function: Control, monitoring, and interface processing within an ABB excitation system
- Key Specs: Module-level part number; exact I/O, communication, and firmware depend on host cabinet and software revision
- Condition: New Original / New Surplus — confirm before shipment
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | ABB |
| Part Number | |
| Material Number | 3BHE008128R0001 |
| Product Type | Control Module / Control Board |
| Associated Systems | ABB excitation system platforms, typically UNITROL family |
| Core Function | Excitation control, monitoring, and system interface processing |
| Application | Synchronous generator excitation, power plant and industrial excitation cabinets |
| Communication | Depends on host cabinet, software version, and system configuration |
| Mounting | Cabinet-mounted module / board |
| Documentation | ABB manual and cabinet drawing required for final verification |
Product Introduction
ABB UNS0887A-P (material number 3BHE008128R0001) is a control module used in ABB excitation system platforms. It is typically associated with ABB UNITROL-series excitation equipment and functions as a control or interface board within the excitation cabinet.
This module supports control, monitoring, and signal processing tasks inside the excitation system. Because UNS0887A-P is a module-level part number rather than a complete AVR assembly, its exact role depends on the host cabinet, software/firmware version, revision code, and system configuration.
Before ordering, always verify the full nameplate information, including material number, revision, software version, and host system model.
QA & Testing SOP
- Nameplate Verification
Confirm the label shows UNS0887A-P and 3BHE008128R0001. Check revision and serial number. - Visual Inspection
Inspect PCB, connectors, LEDs, terminals, and mounting hardware for damage, oxidation, or burnt components. - ESD-Safe Handling
Store and ship in anti-static packaging. This is a sensitive electronic control module. - Host System Compatibility Check
Confirm the module matches the existing excitation cabinet, slot position, and software version. - Functional Test
If the host system is available, verify power-up, LED status, communication response, and fault logs.
Installation Notes
- Do not install without confirming the host cabinet model and software version.
- Do not substitute this module with other UNS/3BHE part numbers unless ABB documentation confirms compatibility.
- Follow lockout/tagout procedures before inserting or removing the module.
- Back up system parameters before replacement if the host system allows it.
- After installation, verify communication, alarm status, and excitation control behavior under controlled conditions.
Technical FAQ
1. What is UNS0887A-P 3BHE008128R0001?
It is an ABB control module used in excitation system platforms, typically associated with the UNITROL family.
2. Is it a complete AVR unit?
No. It is a module-level control board, not necessarily a complete standalone AVR.
3. Which system does it belong to?
It is used in ABB excitation systems, but the exact host model must be confirmed from the cabinet nameplate.
4. Can I replace it with another UNS0887 variant?
Only if the part number, material number, revision, and software version all match the original module.
5. Do you offer warranty?
Warranty depends on condition and stock type. Confirm DOA terms and warranty period before purchase.
