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Order a Mitsubishi RK485B-300 power PCB assembly from REACO CNC. The pictured board carries the BN638A107G51 board number and an additional RK485-300 marking. Send photos of your original board and equipment nameplate so we can check the configuration and quote a replacement.
Mitsubishi RK485B-300 Product Information
| Brand | Mitsubishi Electric |
| Model | RK485B-300 |
| Additional Model Marking | RK485-300 |
| Board Number | BN638A107G51, with a separate C label on the pictured PCB |
| Origin Marking | Made in Japan, as marked on the pictured PCB |
| Category | Power PCB assembly |
| Parameter Description | Compare the model suffix, board number, connector locations, and cable configuration with your original assembly. |
| Condition | Contact us for available condition and photos of the unit offered. |
| Handling Time | Normally 1–2 business days after payment for confirmed stock. |
| Shipping | Worldwide via DHL, UPS, or FedEx. |
| Estimated Delivery Time | Quoted by destination and courier service. |
| Warranty | New or refurbished units carry a 12-month warranty. Used units carry a 3-month warranty. |
| Service | Test video before dispatch and free technical support. |
| Packing | Antistatic protection, cushioning, and reinforced outer packaging. |
Board Identification and Layout
The pictured assembly has a wide ribbon cable, a red and white twisted lead, and a white block with three openings. The RK485B-300 marking and BN638A107G51 board number sit near the CON11 connector. The additional RK485-300 marking appears near the ribbon cable end. Compare these locations, the plated connection holes, and the connector positions with your original board.
Product Scope
This listing covers the power PCB assembly. The quotation will specify the supplied configuration, including whether it comes with the pictured ribbon cable and twisted lead.
Fitment Confirmation
Send photos of both sides of your original PCB, close-ups of the board markings and connectors, and a photo of the equipment nameplate. Include the full RK485B-300 designation and any label beside the board number so we can check the configuration before you order.
Request Price and Availability
Send the required quantity and delivery country for a quote with available condition, dispatch timing, and courier options. We will share a test video of the unit before dispatch.
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