Flameproof GNExS1 Alarm Sounder



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24 VDC 48 VDC 115-230 VAC
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TOMAR Electronics flameproof GNExS1 alarm sounder is suitable for Zone 1 & Zone 2 applications – certified to ATEX and IECEx.

Sound level outputs are up to 117dB (A) at 1 meter with a choice of 64 alarm tones and 4 remotely select-able stages. The alarm tone frequencies for the first 2 stages are independently select-able.

The GNEx range features enclosures manufactured from GRP (glass reinforced polyester), molded in natural red, but also available in other colors.

The re-entrant flare horn is high impact, fire retardant ABS. All models have two M20 cable entries, large termination areas containing in & out terminals and an ingress protection of IP66/67. The AC voltage model has a range of 100-260vac & dc – suitable for 110Vdc gas detection systems.

  • Automatic synchronization on multi-sounder system.
  • Very large termination area.
  • Ratchet adjustable stainless steel ‘U’ bracket.
  • IN & OUT terminals.
  • Independently select-able tones for 1st & 2nd stages.
  • Four remotely switched stages/channels.

Additional information


24 VDC, 48 VDC, 115-230 VAC


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