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SIGNALLING

SIGNALLING GNExS2 NEW!

Alarm Sounder

The flameproof GNExS2 alarm sounder is suitable
for Zone 1 & Zone 2 applications -
certified to ATEX and IECEx.

PRODUCT PRODUCT AVAILABLE
INFORMATION IMAGE COLOURS

Sound level ouputs are up to 123dB(A) at 1 metre with a choice of 45 alarm tones and 3 remotely selectable stages. The alarm tone frequencies for the first
2 stages are independently selectable. The GNEx range features enclosures manufactured from GRP (glass reinforced polyester), moulded in natural red,
but also available in other colours. The re-entrant flare horn is high impact, fire retardant ABS. All models have two M20 cable entries, large termination
areas containing in & out terminals and an ingress protection of IP66/67.

Specification Features
•
Automatic synchronisation on multi-sounder
Maximum output 123dB(A) @ 1 metre system.
Nominal output 110dB(A) @ 1m +/- 3dB - Tone 2 • Very large termination area.
No. of tones 45 (UKOOA / PFEER compliant) • Ratchet adjustable stainless steel ‘U’ bracket.
• IN & OUT terminals.
No. of stages 3 • Independently selectable tones for 1st & 2nd
Volume control Max. 117dB(A); stages.
Min. 108dB(A) - Tone 2
Effective range 200m @ 1KHz Coding
II 2G Ex d IIC T4 Ta. -60° to +50°C
•
Voltages DC 24vdc (10-30vdc), 48vdc (38-60vdc) • II 2G Ex d IIC T3 Ta. -60° to +58°C
Voltages AC 230vac (100-260vac/dc) • II 2G Ex d IIB T6 Ta. -60° to +50°C
Stage switching Negative or positive • II 2G Ex d IIB T5 Ta. -60° to +58°C
Housing material GRP Part codes
Flare High impact UL94 V0 Code Description:
& 5VA FR ABS (Red)
GNExS2 S2 alarm sounder
Cable entries Dual M20 ISO
DC024 24vdc (10-30vdc)
Terminals 0.5 to 4.0mm² cables
DC048 48vdc (35-60vdc)
Line monitoring Min. 500 Ohm 2w, or 3k3 Ohm 0.5w res. or diode within Exd
enclosure (dc versions) AC230 230vac (100-260vac/dc)
-N No stopping plug (standard)
Approvals -B Brass stopping plug
ATEX certificate SIRA 13ATEX1139X -S Stainless steel stopping plug
EN 60079-0 : 2012, EN 60079-1 : 2007 -P Nickel plated brass stopping plug
IECEx certificate IECEx KEM 10.0003 -1 Mounting bracket 304 stainless steel
IECEx SIR 13.0029X (A2) (standard)
IEC 60079-0 : 2011 (Ed6), IEC 60079-1 : 2007 (Ed6)
-2 Mounting bracket 316 stainless steel
(A4)
Current consumption -A-1 Approval to ATEX & IECEx (standard)
Version Voltage Current -R Housing colour Red (standard)
24V dc 10-30vdc 811mA @ 24vdc -S Other housing colour - please specify
48V dc 38-60vdc 434mA @ 48vdc
115V ac/dc 50/60Hz 100-230vac/dc 297mA @ 115vac Example
GNExS2DC024-B-1-A-1-R
196mA @ 230vac
230V ac/dc 50/60Hz
100-230vac/dc
01 - ATEX AUDIBLE
GNExS2 24vdc with brass stopping plug, 304 stainless
Current at nominal voltage
steel mounting bracket, approved to ATEX & IECEx in a
red housing.

DC: 3.35kg
66/67
AC: 3.55kg IP EL Sounder Bell