EN 50042:1980

EN 50042:1980 is a standard published by CLC. Its full title is "Low-voltage switchgear and controlgear for industrial use - Terminal marking - Terminals for external associated electronic circuit components and contacts". This standard covers: This standard applies to switching devices which are able to operate only when completed with external associated electronic circuit components and contacts. The rules in this standard apply only to terminals for external associated electronic circuit components and contacts. These are a supplement to the general rules for the marking: of control supply terminals (see EN 50 005 clause 3.1), and of terminals for internal auxiliary contact elements (see EN 50 005, clause 4.2). The use of this standard is recommended where terminal marking is a requirement of the relevant standard for switching devices or is usual practice

This standard applies to switching devices which are able to operate only when completed with external associated electronic circuit components and contacts. The rules in this standard apply only to terminals for external associated electronic circuit components and contacts. These are a supplement to the general rules for the marking: of control supply terminals (see EN 50 005 clause 3.1), and of terminals for internal auxiliary contact elements (see EN 50 005, clause 4.2). The use of this standard is recommended where terminal marking is a requirement of the relevant standard for switching devices or is usual practice

EN 50042:1980 has the following relationships with other standards: It is inter standard links to EN 60947-1:2007. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

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