Pfannenberg 32034800000 IS-mA1 24V DC ATEX Zone 0 1 and 2 explosive area use. Intrinsically-safe. 49 Tone

very economical acoustic alarmcertified for use in Ex-Zones 0, 1 and 2!compact design with a diameter of just 88 mmsounder operated via certified zener barriers or galvanic isolators49 loud tones at 102 dB(A)very well suited for fire alarm systems and direct control due to low power consumptionself-synchronising sounder for clear tone perception2 different externally controllable tonesvolume controlalso available as mining-certified device (IM1 EEx ia)