Robot

L21730X00 circuit board Genuine Spare Part for OTC DAIHEN

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OTC DAIHEN L21730X00 / L21730X05 Printed Circuit Board – Genuine Robot Control Board

This page showcases the OTC DAIHEN L21730X00 / L21730X05 printed circuit board, a genuine spare part for robotic control systems. Although the board may bear the marking "NACHI UM351D", the correct OTC DAIHEN part numbers are L21730X00 and L21730X05. Please ensure you reference the correct model when ordering.

OTC DAIHEN L21730X00 genuine circuit board showing NACHI UM351D marking

Product Overview

The L21730X00 / L21730X05 is a printed circuit board used in OTC DAIHEN robotic systems. It is clearly marked with "DAIHEN corporation UM351D, PART NO.L21730X" and also includes the capital "NACHI". Some users may mistakenly identify this as a NACHI board (UM351D), but the correct OTC DAIHEN part numbers are L21730X00 and L21730X05. Always refer to the OTC DAIHEN part number for accurate ordering.

OTC DAIHEN L21730X00 genuine circuit board close-up showing part number

Specifications

Part Numbers: L21730X00 / L21730X05 (both are valid; check your system requirements)
Description: Printed circuit board for robot control
Markings: DAIHEN UM351D, also includes NACHI text (do not confuse with NACHI part numbers)
Application: OTC DAIHEN robotic systems
Origin: Japan – genuine OTC DAIHEN production

Important Note: Correct Part Number Identification

Because the board bears both "DAIHEN" and "NACHI" markings, it is easy to misinterpret the model. The correct OTC DAIHEN part numbers are L21730X00 and L21730X05. The NACHI UM351D designation is a reference only; always order using the OTC DAIHEN part number to ensure compatibility.

Why Choose Genuine OTC DAIHEN Circuit Boards?

Using authentic OTC DAIHEN L21730X00 / L21730X05 boards guarantees proper firmware, reliable operation, and exact form‑fit‑function. Non‑OEM boards may cause communication errors or system faults. As an authorized OTC DAIHEN distributor, we supply only 100% original, factory‑sealed parts.