NF EN ISO 14119

NF EN ISO 14119

March 2025
Standard Current

Safety of machinery - Interlocking devices associated with guards - Principles for design and selection

This document specifies principles for the design and selection (independent of the nature of the energy source) of interlocking devices associated with guards and provides guidance on measures to minimize the possibility of defeat of interlocking devices in a reasonably foreseeable manner.This document covers principles for the design, selection and application of the following:—     parts of the guards which actuate interlocking devices;—     trapped key interlocking devices and systems for machinery applications.NOTE            ISO 14120 specifies general requirements for the design and construction of guards provided primarily to protect persons from mechanical hazards. The processing of the signal from the interlocking device to stop the machine and prevent unexpected start up is covered in ISO 14118, ISO 13849-1 and IEC 62061.

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Main informations

Collections

National standards and national normative documents

Thematics

Gestion des risques et SST, Sécurité, QSE

Publication date

March 2025

Number of pages

121 p.

Reference

NF EN ISO 14119

ICS Codes

13.110   Safety of machinery

Classification index

E09-051

Print number

1

International kinship

ISO 14119:2024

European kinship

EN ISO 14119:2025
Sumary
Safety of machinery - Interlocking devices associated with guards - Principles for design and selection

This document specifies principles for the design and selection (independent of the nature of the energy source) of interlocking devices associated with guards and provides guidance on measures to minimize the possibility of defeat of interlocking devices in a reasonably foreseeable manner.

This document covers principles for the design, selection and application of the following:

—     parts of the guards which actuate interlocking devices;

—     trapped key interlocking devices and systems for machinery applications.

NOTE            ISO 14120 specifies general requirements for the design and construction of guards provided primarily to protect persons from mechanical hazards. The processing of the signal from the interlocking device to stop the machine and prevent unexpected start up is covered in ISO 14118, ISO 13849-1 and IEC 62061.

Replaced standards (1)
NF EN ISO 14119
December 2013
Standard Cancelled
Safety of machinery - Interlocking devices associated with guards - Principles for design and selection

ISO 14119:2013 specifies principles for the design and selection ? independent of the nature of the energy source ? of interlocking devices associated with guards.It covers the parts of guards which actuate interlocking devices. It does not necessarily provide all the specific requirements for trapped key systems. ISO 14119:2013 provides measures to minimize defeat of interlocking devices in a reasonably foreseeable manner.

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