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YA11 Audible Signal Device Operating Manual

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This document is an operating manual for the YA11 audible signal device, designed for use in hazardous (explosion-proof) areas classified as Zones 2 and 22, with gas groups IIC, IIB, and IIA. It covers safety instructions, technical specifications, installation, commissioning, maintenance, and disposal, and is published by R. STAHL Schaltgeräte GmbH.

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