Designed to work as a light and sound means of notification in security and fire alarm systems or as an information board. It is used in explosive zones "1" and "2", underground workings of mines, mines and their surface structures. Explosion protection marking PB Ex eb mb I Mb X/1Ex eb mb IIC T6 Gb X.
IP66/IP68. Temperature range from -70 to +85 °C. Connection 2 and 4-wire.
4 tones of sound signal.
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