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Slack-wire switches are suitable for applications with handling equipment. There they are for example mounted at a wire in order to monitor the wire tension.
Design and mode of operation
Slack-wire switches monitor the pull-wire tension. With correct tension present, the switch is actuated. In case of wire breakage or stretching of the wire the switch is released and thus switches the system off. In addition, this signal can depending on the construction of the system generate an optical or acoustic indicating or warning signal.
All slack-wire switches presented in this chapter bear the CE mark according to the Low Voltage Directive 2014/35/EU.