Designed to work as a sound means of notification in security and fire alarm systems. It is used in hazardous areas of 1 and 2 class. Housing - stainless steel. Explosion protection marking ??
?? db I Mb/1Ex db IIC T6 Gb/Ex tb IIIC T85°C Db. IP66/IP68. Temperature range -70 to +85°C.
4 audible alarm tones. 2-wire and 4-wire connection.
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