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IS-A105N Intrinsically Safe Alarm Sounder
IS-A105N Intrinsically Safe Alarm Sounder
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Our Price: $389.00

Product Code: E2S-IS-A105N

The IS-A105N is a high output, 105dB(A) alarm sounder. Approvals include ATEX, IECEx and GOST-R for Zone 0 applications and FM approval for Class I Division 1 and Class I Zone 0 applications.

The IS-A105N is suitable for all intrinsically safe signalling applications including fire, security and process control.

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IS-A105N Alarm Sounder

  • Input overload and reverse current protection
  • Auto synchronised sound output
  • Unit can be mounted using external lugs or internal BESA compatible fixing positions.
  • Duplicate cable terminations (in & out for daisy-chain installations).
  • Available with custom tone configurations and frequencies.


Nominal output: 105dB(A) @ 1m +/- 3dB - Tone 2*[96dB(A) @ 10ft/3m]
No. of tones: 49 (UKOOA/PFEER compliant)
No. of stages: 3
Volume control:
Max. 105dB(A); Min. 96dB(A) - Tone 2
Effective range: 60m/197ft @ 1KHz
Voltage: 16-28vdc via Zener barrier or galvanic isolator
Current: 25mA typical when powered from 24v supply via 28v 300 Ohm
Zener barrier
Ingress protection: IP66
Rating: Continuous
Housing material: UL94V0 & 5VA FR ABS
Housing colour: RAL3000 Red, RAL7038 Grey and White
Fixings: Stainless Steel
Cable entries: 2 x M20 clearance gland knockouts.
Custom configurations also available.
Terminals: 0.5 to 2.5mm
Operating temp: -40 to +60C [-40 to +140F]
Storage temp: -40 to +70C [-40 to +158F]
Relative humidity: 90% at 20C [68F]
Weight : 0.75kg/1.65Ibs

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