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SIGNALLING

SIGNALLING GNExS1-R NEW!

Omni-directional Alarm

Sounder

The flameproof GNExS1-R alarm sounder with a
unique radial horn. Suitable for Zone 1 & Zone 2
applications - certified to ATEX and IECEx.

PRODUCT PRODUCT AVAILABLE
INFORMATION IMAGE COLOURS

The unique radial horn on the compact GNExS1-R distributes the warning signal omni-directionally. Sound level ouputs are up to 117dB(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 omni-
directional 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
•
Omni-directional sound output.
Maximum output 117dB(A) @ 1 metre • Automatic synchronisation on multi-sounder
Nominal output 110dB(A) @ 1m +/- 3dB - Tone 2 system.
No. of tones 45 (UKOOA / PFEER compliant) • Very large termination area.
• Ratchet adjustable stainless steel ‘U’ bracket.
No. of stages 3 • IN & OUT terminals.
Volume control Max. 110dB(A); • Independently selectable tones for 1st & 2nd
Min. 72dB(A) - Tone 2 stages.
Effective range 100m @ 1KHz Coding
Voltages DC 24vdc (10-30vdc), 48vdc (38-60vdc) • II 2G Ex d IIC T4 Ta. -60° to +50°C
Voltages AC 230vac (100-260vac/dc) • II 2G Ex d IIC T3 Ta. -60° to +70°C
Stage switching Negative or positive • II 2G Ex d IIB T6 Ta. -60° to +50°C
•
II 2G Ex d IIB T5 Ta. -60° to +65°C
Housing material GRP • II 2G Ex d IIB T4 Ta. -60° to +70°C
Flare High impact UL94 V0
& 5VA FR ABS (Red) Part codes
Cable entries Dual M20 ISO Code Description:
Terminals 0.5 to 4.0mm² cables GNExS1-R S1 alarm sounder with radial horn
Line monitoring Min. 500 Ohm 2w, or 3k3 Ohm 0.5w res. or diode within Exd DC024 24vdc (10-30vdc)
enclosure (dc versions)
DC048 48vdc (35-60vdc)
AC230 230vac (100-260vac/dc)
Approvals
-N No stopping plug (standard)
ATEX certificate SIRA 13ATEX1139X
EN 60079-0 : 2012, EN 60079-1 : 2007 -B Brass stopping plug
IECEx certificate IECEx SIR 13.0029X -S Stainless steel stopping plug
IEC 60079-0 : 2011 (Ed6), IEC 60079-1 : 2007 (Ed6) -P Nickel plated brass stopping plug
-1 Mounting bracket 304 stainless steel
Current consumption (A2) (standard)
Version Voltage Current -2 Mounting bracket 316 stainless steel
(A4)
24V dc 10-30vdc 140mA @ 24vdc -A-1 Approval to ATEX & IECEx (standard)
48V dc 38-60vdc 73mA @ 48vdc -R Housing colour Red (standard)
115V ac/dc 50/60Hz 100-260vac/dc 86mA @ 115vac
-S
230V ac/dc 50/60Hz 100-260vac/dc 75mA @ 230vac Example Other housing colour - please specify
01 - ATEX AUDIBLE GNExS1 24vdc with brass stopping plug, 304 stainless
GNExS1RDC024-B-1-A-1-R
steel mounting bracket, approved to ATEX & IECEx in a
red housing.

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