Ex ZS 75 Mining Mounting and wiring instructions / Safety switch
●The safety switch in series Ex ZS 75 is an explosion-protected device in two different variants. The first variant only includes the passive connecting elements of the switch inserts, while the second variant additionally includes the certified, intrinsic-safety input module SBG e xx (OBAC 08 ATEX 265), which is a part of the intrinsic safe system type SBS 100 (OBAC 08 ATEX 267). Safety switches like devices of group I are applied in surface and/or underground mining in methane or coal dust zones. Depending on the application, the safety switch is available as emergency stop push-button, emergency pull-wire switch with one-side or two-side actuation or as belt alignment switch for monitoring the operation of a conveyor-belt. The safety switches series Ex ZS 75 comply with the European standards for explosion protection EN 60079-0, -1, -7, -11 and EN 50303. They are intended for use in explosive hazardous areas for systems of group I category M1 and M2, des-tined for permanent use in in methane or coal dust atmospheres. The Ex ZS 75 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 lead to contact latching. The reset can only be carried out manually by un-locking with the push-button.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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03.2021 |
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4.5 MB |
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