Overview
Configured for control and firmware execution in ABB relay equipment, the ABB 1VCF751021802 (1VCF751021802 Main Board 5 (Basic)) provides direct physical and electrical processing through the relay’s internal hardware architecture. The board is identified as Main Board 5 (Basic) and is replaced by Mainboard 6, product ID 1VCR014629802. Replacement may also require a compatible top panel and software verification from the relay rating plate.
Suffix Breakdown & Model Matrix
The supplied product information identifies 1VCF751021802 as a fixed ABB product ID. No manufacturer-defined suffix breakdown or model matrix is provided; therefore, no suffix interpretation is added.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1VCF751021802 |
| Brand | ABB |
| Product Name | Main Board 5 (Basic) |
| ABB Type Designation | MAIN BOARD 5 (BASIC) |
| Hardware Type | Main Board / Spare Part |
| Origin | Malaysia |
| Weight | 0.27 kg |
| Customs Tariff Number | 85235210 |
| Frame Size | Spare_Parts |
| Part Type | New |
| Minimum Order Quantity | 1 piece |
| Replacement Product | 1VCR014629802 |
| WEEE Category | Product Not in WEEE Scope |
| Quote Only | Yes |
| Core Technical Function | Internal main board hardware for ABB relay equipment |
| Software Requirement | Correct software must be verified from the rating plate on the side of the relay |
ABB Firmware Flash Compatibility
The ABB 1VCF751021802 operates as an internal hardware component within the relay architecture, where board replacement must maintain compatibility with the installed software configuration. ABB specifies verification of the correct software from the rating plate located on the side of the relay.
When replacing Main Board 5 with Mainboard 6 1VCR014629802, the hardware configuration also changes at the front-panel interface level. ABB states that the corresponding top panel must also be replaced with a compatible version. Listed top panel codes include 1VCF750153003, 1VCF750153001, 1VCF750153002, 1VCF750099003, 1VCF750099001, 1VCF750099002, 1VCF750165003, 1VCF750165001, 1VCF750165002, 1VCF750099004, 1VCF750099005, 1VCF750099006, 1VCF750153004, 1VCF750153005, and 1VCF750153006.
For DNV versions, ABB specifies ordering the replacement module together with DNV coating code 1MRS090010.
Frequently Asked Questions
Q: What product replaces ABB 1VCF751021802 Main Board 5 (Basic)?
A: ABB identifies 1VCR014629802, Mainboard 6, as the replacement product for 1VCF751021802.
Q: Does replacing Main Board 5 with Mainboard 6 require additional hardware changes?
A: Yes. ABB states that replacing Main Board 5 with Mainboard 6 also requires replacement of the top panel with a compatible listed top panel code.
Q: How should software compatibility be checked after board replacement?
A: Check the relay rating plate located on the side of the relay and verify the correct software configuration before commissioning the replacement hardware.
Field Installation Guidelines
Disconnect the relay or associated equipment from its specified power source before removing the ABB 1VCF751021802 main board. Follow the equipment service procedure for enclosure access, board handling, and connector removal.
Use appropriate electrostatic discharge precautions when handling the main board. Avoid applying force to board connectors, components, or contact surfaces during installation.
Before replacing the original board with Mainboard 6 1VCR014629802, verify the required top panel configuration. Confirm the correct software from the relay rating plate before returning the equipment to service.
For DNV-configured equipment, verify whether DNV coating code 1MRS090010 is required. After installation, inspect connector engagement, board seating, enclosure assembly, and the relay’s configured operating state according to the applicable ABB service documentation.
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