EU Declaration of Conformity – Ardbox Relay ARDUINO based PLC

The Ardbox Relay is an open-source industrial Arduino PLC with 20 I/Os including relay outputs, designed for demanding automation environments where robust switching and isolation are required. This document is the official EU Declaration of Conformity, certifying that the Ardbox Relay meets all applicable European safety and electromagnetic compatibility directives — including CE marking requirements. Essential documentation for engineers integrating industrial control systems, SCADA, or IIoT solutions who need to verify regulatory compliance before deployment.

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