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| Place of Origin | JAPAN |
| Brand Name | FANUC |
| Certification | CE ROHS |
| Model Number | A20B-8200-0391 |
The A20B-8200-0392 is a FANUC main PCB in the A20B-8200 family. Public product listings identify it directly as a ZERO i-C MAIN PCB, which places it in the central control-board category of the installed CNC hardware.
The same public source also presents it as a repair-quote board item, which is consistent with the way core control boards are handled in lifecycle support and service work.
As a main PCB, this board belongs to the core of the control system rather than to a secondary signal or accessory position.
In installed FANUC systems, that means exact part-number matching is the most important replacement rule, because the main board defines the original hardware platform already used in the machine.
Confirmed public product identifiers for this model are: A20B-8200-0392, FANUC, A20B-8200 series, and ZERO i-C MAIN PCB. One public listing also notes a special repair-pricing condition if fully populated, which is a service-side note rather than a technical parameter.
This board is suited to installed FANUC ZERO i-C CNC systems where the control hardware already uses the A20B-8200-0392 main-board structure.
It is especially relevant in board-level replacement, controller repair, and refurbishment where the original control platform needs to stay aligned with the same main-board model.
Because the board is identified publicly as a ZERO i-C MAIN PCB, it should be treated as a control-core spare rather than as a general PCB.
Keeping the same model helps preserve the installed CNC hardware layout and the same board-family structure already present in the machine.
The key checks are the exact part number, the A20B-8200 family, and the public identification of the board as a ZERO i-C MAIN PCB. These are the main compatibility points supported by the available public reference for this model.
Q1: What kind of board is A20B-8200-0392?
It is a FANUC main PCB. Public product listings identify it specifically as a ZERO i-C MAIN PCB, which makes it a central control-board component inside the installed CNC hardware.
Q2: Why is the ZERO i-C description important?
Because that description identifies the board’s installed control family. When a main board is publicly tied to a specific CNC platform like ZERO i-C, that becomes one of the most important compatibility checks during replacement.
Q3: Is this a simple spare board or a control-core board?
It is a control-core board. The public description identifies it as a main PCB, and main boards belong to the central hardware structure of the CNC system rather than to a peripheral position.
Q4: Why does exact model matching matter on this board?
Because this is a main board, and the main board defines the original hardware platform of the installed control.
Public references identify it by exact model and exact CNC family, which is why exact matching is the correct replacement approach.
Q5: What should be checked before ordering?
Check the installed part number, confirm the control platform is ZERO i-C, and verify that the original main board is A20B-8200-0392.
Those are the main compatibility points supported by the available public listing for this model.
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