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PRODUCT PRODUCT AVAILABLE SIGNALLING
INFORMATION IMAGE COLOURS SIGNALLING

IS-pA1 Panel Mount Sounder
The IS-pA1 is a compact, panel mount 100dB(A) alarm sounder. Producing a high frequency continuous
tone, the IS-pA1 can be pulsed to produce different sounds. Utilising the supplied threaded lock nut the
IS-pA1 mounts into a 28mm hole - ideal for applications in control panels where a fault indication or other
process alarm is required.
Intrinsically Safe Panel Mount Sounder, 100dB, 1 Features
Tone • Input overload and reverse current protection.
Light sources 100dB(A) @ 1m +/- 3dB Approvals:
No. of tones 1 - Continuous tone • ATEX certificate: SIRA 10ATEX2137X,
Frequency 2900Hz EN 60079-0 : 2009, EN 60079-11 : 2007,
Supply Zener barrier EN 60079-26 : 2007
Housing material UL94V0 & 5VA FR ABS • IECEx certificate: IECEx SIR 10.0073X,
Measurements 86*86*102mm IEC 60079-0 : 2007,IEC 60079-11 : 2006,
IEC 60079-26 : 2006
Housing colours:

IP

0,1kg 66 Buzzer

IS-MA1 IS-minialarm
The IS-mA1 is a compact, 100dB(A) alarm sounder. Approvals includeATEX, IECEx and GOST-R for Zone 0
applications and FM approval forClass 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. The IS-mA1M
version is also available for Group I mining environments.
Intrinsically Safe Sounder, 100dB, 49 Tones Features
Nominal output 100dB(A) @ 1m +/- 3dB • Input overload and reverse current protection
No. of tones 49 (UKOOA/PFEER • End of line resistor certified
compliant) • Auto synchronised sound output
No. of stages 3 • Available with custom tone configurations and
Effective range 40m @ 1KHz frequencies.
Supply Voltage 16-28vdc via Zener barrier
or galvanic isolator
Current 25mA if powered from 24v
supply via 28v 300 Ohm
Zener barrier Colours:
Measurements Ø89*99MM

IP

0,2kg 66 EL Sounder

IS-A105 - Alarm Sounder
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.
Intrinsically Safe Sounder, 105dB, 49 Tones Features
Nominal output 105dB(A) @ 1m +/- 3dB • Input overload and reverse current protection
No. of tones 49 (UKOOA/PFEER • Auto synchronised sound output
compliant) • Unit can be mounted using external lugs or
Stages 3 internal BESA compatible fixing positions.
Effective range 60m @ 1KHz • Duplicate cable terminations (in & out for
Supply Voltage 16-28Vdc via Zener barrier daisychain installations).
or galvanic isolator • Available with custom tone configurations and
Current 25mA if powered from 24v frequencies.
supply via 28v 300 Ohm
Zener barrier
Measurements 130*130*133MM Colours: 01 - ATEX AUDIBLE

IP

0,75kg 66 EL Sounder