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
ATEX / IECEx / FM |
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II 1G Ex ia IIC T4 Ga (-40ºC <=Ta<= +60°C) |
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IS Class I, Zone 0, AEx ia IIC T4 |
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IS Class l, Division 1, Groups A, B, C, D |
GOST-R |
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0ExiaIICT4 IP65 -40° to +60°C |
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Specification
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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 2.5mm² |
Operating temp: |
-40° to +60°C [-40 to +140°F] |
Storage temp: |
-40° to +70°C [-40 to +158°F] |
Relative humidity: |
90% at 20°C [68°F] |