411 Protective measure: automatic disconnection of supply

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Last edit: 29/06/2023

Article 411, (equivalent to CEI 64/8-4 article 413), details the most used method to protect people from indirect contacts: Automatic Disconnection of Supply.

The way the method works depends on the type of neutral grounding system. There are 3 types of systems:

TN Systems
TT Systems
IT Systems

TN Systems

Index

IEC 60364-4-41: Protection against Electric Shock Basic and Fault Protection Where the IEC 60364 standard is applicable 411 Protective measure: automatic disconnection of supply TN Systems TT Systems IT Systems

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