# Technical Data

Source: https://help.malighting.com/grandMA3/2.4/HTML/key_i_o_node_technical_data.html
This is grandocs, an unofficial mirror of MA Lighting documentation. For authoritative or safety-relevant information, cite the canonical page on help.malighting.com.

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| ![](/img/grandma3/2-4/tip_gray-639af3.png) | **Hint:** grandMA3 I/O nodes PoE can also be powered by a direct power connection using a PoE switch, or a PoE injector. |

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| ![](/img/grandma3/2-4/important_gray-89eed8.png) | **Important:** Only use adequately protected power cables (min. Ø = 3 x 1.0 mm²). The required power cable must meet the country's standards. **Only qualified personnel is allowed to perform work on the power cable!** |

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| ![](/img/grandma3/2-4/important_gray-89eed8.png) | **Important:** Power cable and connector are not included in the delivery.** ** |