Ex ZS 75-3G/D / Ex ZS 75 S-3G/D Mounting and wiring instructions / Emergency pull-wire switch

2022-02-15
Purpose and use:
●The emergency pull-wire switches in series Ex ZS 75-3G/D comply with the European standards for explosion protection EN 60079-0, -1, -7, -15 and -31 and therefore are designed for the explosive areas of zones 2 and 22 to EN 60079-14. The requirements of EN 60079-14 e.g. regarding dust deposition and temperature limits, must be met. The Ex ZS 75-3G/D emergency pull-wire switches are applied on machines and plants where an emergency-stop command is required along the complete pull-wire. Pulling or breaking of the prestressed wire triggers the switching function of the emergency pull-wire switch and thus leads to contact latching. The reset can only be carried out manually by unlocking with the push-button.

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Ex ZS 75-3G/DEx ZS 75 S-3G/DEx ZS 75 1Ö/1S-3G/DEx ZS 75 VD-3G/DEx ZS 75 S VD-3G/DEx ZS 75 S 1Ö/1S-3G/DEx ZS 75 2Ö/2S-3G/DEx ZS 75 S 2Ö/2S-3G/DEx ZS 75 4Ö-3G/DEx ZS 75 S 4Ö-3G/DEx ZS 75 ... -3G/DEx ZS 75 S ... -3G/D

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Emergency pull-wire switch

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User's Guide

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09.2019

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