Introducing the YA11 sounder, R. Stahl has extended its Yodalex line of signalling devices. The YA11 is designed to be mounted in panels used in zone 2 or 22 hazardous areas. It provides an audible signal that could be used to alert operators to malfunctions, process breakdowns or draw the operator’s attention to the panel. The lightweight, low-profile aluminium enclosure of the YA11 can be mounted to panels, bulkheads, and any suitable surface of an enclosure or control station. With a height of merely 28 mm, it requires little installation space. Electronics are encapsulated to provide protection; and impact or entry is prevented by the use of a tamper-proof protective cover. The YA11 sounder is pre-wired with a 3 m cable, making installation quick and cost-effective. The unit is certified to a level of IP 66/Nema 4X and when installed, this level of protection is maintained between the sounder and the panel by means of a closed foam gasket and stainless steel fixings which are included as standard.
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