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IS-mA1-R Intrinsically Safe minialarm Sounder - Red
IS-mA1Intrinsically Safe minialarm
Our Price: $325.00

Product Code: E2S-IS-MA1-R


The IS-mA1 is a compact, 100dB(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-mA1 is suitable for all intrinsically safe signalling applications including fire, security and process control.

  • Input overload and reverse current protection
  • End of line resistor certified
  • Auto synchronised sound output
  • Available with custom tone configurations

Ex-eac-logo Eac-logo Iecex-approval Atex-approval Fm-approval Vds-approval Ce-approval Gost-approval


II 1G Ex ia IIC T4 Ga (-40C <=Ta<= +60C)

IS Class I, Zone 0, AEx ia IIC T4

IS Class l, Division 1, Groups A, B, C, D

0ExiaIICT4 IP65 -40 to +60C


Nominal output: 100dB(A) @ 1m +/- 3dB - Tone 2*[91dB(A) @ 10ft/3m]
No. of tones: 49 (UKOOA/PFEER compliant)
No. of stages: 3
Volume control: Max. 100dB(A); Min. 90dB(A) - Tone 2
Effective range: 40m/131ft @ 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: IP65
Rating: Continuous
Housing material: UL94V0 & 5VA FR ABS
Housing colour: RAL3000 Red
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]

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