ATEX IS-S-02 Intrinsically Safe Sounder
The IS-S-02 Intrinsically Safe Sounder is ATEX and IECEx certified, and is approved to be installed in Groups I (Mining) and Group II (above ground), Zones 0, 1 or 2 with gas groups IIA, IIB, IIC and Zones 20, 21 and 22 for dust groups IIIC and carries a temperature classification of T6.
Description
The ATEX sounder unit incorporates a 2 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.
This unit must be used in conjunction with an approved Zener Barrier or Galvanic Isolator.
TECHNICAL DATA
Marking:
I MI Ex ia I Ma
II 1G Ex ia IIC T6 Ga
II 1D Ex ia IIIC T85ºC Da
Certificate: EU-Type Examination Certificate
Material: Flame Retardant Polycarbonate UL94 V2
Colour: RED
Sounder: 2 Stage alarm with 32 Selectable tones
Power rating: 0.66 W via a suitable barrier
Sound output: Up to 105 dB at 1m (Tone 18)
Ingress protection: IP66
Weight: 0,33 kg
Dimensions: 104 x 97.5 mm
Operating temperature: -40ºC to +55ºC
Humidity: >90% at 20ºC
Connection terminals: 0.55mm2 – 2.5mm2
Power supply: The unit must be powered via an approved Zener Barrier or Galvanic Isolator whose characteristics do not exceed Uo: 28v, Io: 93mA, Po: 660mW, Ci: 0, Li: 0. The minimum value of Uo should not drop below 23.6v and the minimum value of Io should not drop below 50mA.
Cable entries: 3xM20x1,5 (cable glands not included)
