Skip navigation

Intrinsically Safe Signalling

Sonos IS Range

The IS Sonos sounder beacon has been approved for use in potentially explosive atmospheres for Group I (Mining) & Group II (Above Ground) applications and incorporates a high Ingress Protected IP66 enclosure.

The sounder beacon unit incorporates a two stage alarm option and has a total of 32 selectable tones, selectable via a dip switch on the PCB and produces up to 105dB at 1m. A specially designed time saver base enables quick and easy installation of this unit with no extra cabling to be made to the head of the unit.


  • Approved by ATEX, IECEx
  • Group I MI Ex ia I Ma
  • Group II IGD Ex ia IIC T6 Ga,
    Ex ia IIIC T85˚C Da
  • Zones 0, 1, 2, 20, 21 & 22
  • Conforms to: EN 60079-0:2012 + All:2013 (IEC 60079-0:2011)
  • EN-60079-11:2012 + (IEC 60079-11:2011)
  • Diode Polarised & End of line resistor compatible
  • White base version available MOQ apply
  • Dustproof & Weatherproof

Part No.DescriptionLens ColoursAudibility at 1m (tone dependent)TonesCurrent (tone dependent)
TCC-0001IS Sounder-Up to 105dB (A)3233mA
TCC-0002IS BeaconAmberN/AN/A33mA
TCC-0003 IS BeaconRedN/AN/A33mA
TCC-0004IS BeaconClear lens with Blue LEDsN/AN/A33mA
TCC-0005IS BeaconClear lens with Green LEDsN/AN/A33mA
TCC-0006IS BeaconClear lens with White LEDsN/AN/A33mA
TCC-0007IS Sounder BeaconAmberUp to 105dB (A)3233mA
TCC-0008IS Sounder BeaconRedUp to 105dB (A)3233mA
TCC-0009IS Sounder BeaconClear lens with Blue LEDsUp to 105dB (A)3233mA
TCC-0010IS Sounder BeaconClear lens with Green LEDsUp to 105dB (A)3233mA
TCC-0011IS Sounder BeaconClear lens with White LEDsUp to 105dB (A)3233mA

For a full list of the certificate numbers relating to this product, please contact Klaxon Signals directly.

IP Rating: IP66    Sounder: 2 Stage alarm with 32 Selectable tones   Beacon: 9 SMT LED’s with either 1 Hz flash rate or static (constantly ON) mode    Operating Temp: -40ºC to +55ºC    Construction: Flame Retardant Polycarbonate   Cable Entries: 3    Weight: 0.33kg