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Top view of the MI-ATM18 PCB showing the model marking and full connector layout
  • Top view of the MI-ATM18 PCB showing the model marking and full connector layout
  • Close-up of the MI-ATM18 and PWB-MI-ATM18 markings above the main heatsink
  • Mitsubishi MI-ATM18 CNC main board with dual heatsinks, USB ports, and a LAN port
  • Low-angle underside view of the MI-ATM18 showing the raised card slot and edge connector housings
Mitsubishi MI-ATM18 CNC Main Board for Mazak Controls
In stock

• Testing Video Provided
$2,646.00 USD
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Delivery: Estimated 2- 6 business days delivery. See details

Returns: 14 days returns. See details
All parts are covered by REACO CNC warranty

All parts are covered by REACO CNC warranty
Every part is carefully inspected and tested for reliability。

All parts tested under load
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More than 150,000 parts in stock & ready for delivery

More than 100,000 parts in stock & ready for delivery

The Mitsubishi MI-ATM18 is a CNC main board used in select Mazak control units. The board shown carries MI-ATM18 and PWB-MI-ATM18 markings. It has two heatsinks, a LAN port, USB ports, and a rear card slot.

Product Specifications

Brand Mitsubishi Electric
Model MI-ATM18
PCB Marking PWB-MI-ATM18
Product Type CNC main board
Visible Interfaces LAN, USB, and rear card slot
Version Identification BIOS version label along the connector edge

Product Scope and Fitment

This listing covers the MI-ATM18 PCB shown. Reported applications include FCA731PY-N01 and FCA731PY-N02 control units. For replacement, send us the control unit nameplate and photos of the original PCB markings, BIOS label, and connectors so we can check the configuration before you order.

Testing, Shipping, and Warranty

We provide a test video before dispatch and free technical support. Each board is packed in protective anti-static packaging.

Confirmed in-stock orders typically ship within 1–2 business days. We ship worldwide via DHL, UPS, or FedEx and provide an estimated delivery time with your quote.

New and refurbished units carry a 12-month warranty. Used units carry a 3-month warranty.

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  • Packed in secure reinforced cartons for maximum protection during transport.
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