Flameproof GNExS1 Alarm Sounder

Voltage	Clear

Description

TOMAR Electronics flameproof GNExS1 alarm sounder is suitable for Zone 1 & Zone 2 applications – certified to ATEX and IECEx.

Sound level outputs are up to 117dB (A) at 1 meter with a choice of 64 alarm tones and 4 remotely select-able stages. The alarm tone frequencies for the first 2 stages are independently select-able.

The GNEx range features enclosures manufactured from GRP (glass reinforced polyester), molded in natural red, but also available in other colors.

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. The AC voltage model has a range of 100-260vac & dc – suitable for 110Vdc gas detection systems.

Features

Automatic synchronization on multi-sounder system.
Very large termination area.
Ratchet adjustable stainless steel ‘U’ bracket.
IN & OUT terminals.
Independently select-able tones for 1st & 2nd stages.
Four remotely switched stages/channels.

Approvals and Coding

Approvals

ATEX certificate	SIRA 13ATEX1139X, EN 60079-0 2012, EN 60079-12007
IECEx certificate	IECEx SIR 13.0029X, IEC 60079-0 2011 (Ed6), IEC 60079-12007 (Ed6)
TR-CU Ex EAC certificate	RU C-GB.AA71.B.00109

Coding

II 2G Ex d IIC T4 Ta. -60° to +50°C
II 2G Ex d IIC T3 Ta. -60° to +70°C
II 2G Ex d IIB T6 Ta. -60° to +50°C
II 2G Ex d IIB T5 Ta. -60° to +65°C
II 2G Ex d IIB T4 Ta. -60° to +70°C

2 x M20 cable entries; brass stopping plug. 304 (A2) Stainless steel mounting bracket

64 onboard selectable tones

Tone Table

Stage 1	WAV file	Frequency Description	Stage 2	Stage 3
T 1	Sound	Continuous 1000Hz Toxic Gas Alarm	T 31	T 11
T 2	Sound	Alternating 800/1000Hz at 0.25s intervals	T 17	T 5
T 3	Sound	Slow Whoop 500/1200Hz at 0.3Hz with 0.5s gap repeated	T 2	T 5
T 4	Sound	Sweeping 800/1000 at 1Hz	T 6	T 5
T 5	Sound	Continuous at 2400Hz	T 3	T 27
T 6	Sound	Sweeping 2400/2900Hz at 7Hz	T 7	T 5
T 7	Sound	Sweeping 2400/2900Hz at 1Hz	T 10	T 5
T 8	Sound	Siren 500/1200/500Hz at 0.3Hz	T 2	T 5
T 9	Sound	Sawtooth 1200/500Hz at 1Hz	T 15	T 2
T 10	Sound	Alternating 2400/2900Hz at 2Hz	T 7	T 5
T 11	Sound	Intermittent 1000Hz at 0.5Hz General alarm	T 31	T 1
T 12	Sound	Alternating 800/1000Hz at 0.875Hz	T 4	T 5
T 13	Sound	Intermittent 2400Hz at 1Hz	T 15	T 5
T 14	Sound	Intermittent 800Hz 0.25s on 1s off	T 4	T 5
T 15	Sound	Continuous at 800Hz	T 2	T 5
T 16	Sound	Intermittent 660Hz 150mS on, 150mS off	T 18	T 5
T 17	Sound	Alternating 544Hz (100mS)/440Hz(400mS)	T 2	T 27
T 18	Sound	Intermittent 660Hz 1.8s on, 1.8s off	T 2	T 5
T 19	Sound	1400Hz to 1600Hz sweep up over 1s -1600Hz to 1400Hz sweep down over 0.5s	T 2	T 5
T 20	Sound	Continuous 660Hz	T 2	T 5
T 21	Sound	Alternating 554/440Hz at 1Hz	T 2	T 5
T 22	Sound	Intermittent 554Hz at 0.875Hz	T 2	T 5
T 23	Sound	800Hz pulsing at 2Hz	T 6	T 5
T 24	Sound	Sweeping 800/1000Hz at 50Hz	T 29	T 5
T 25	Sound	Sweeping 2400/2900Hz at 50Hz	T 29	T 5
T 26	Sound	Simulated bell sound	T 2	T 1
T 27	Sound	Continuous 554Hz	T 26	T 5
T 28	Sound	Continuous 440Hz	T 2	T 5
T 29	Sound	Sweeping 800/1000Hz at 7Hz	T 7	T 5
T 30	Sound	420Hz repeating 0.625s on, 0.625s off Australian alert signal	T 32	T 5
T 31	Sound	1200/500Hz at 1 Hz Prepare to Abandon Platform	T 11	T 1
T 32	Sound	Sweeping 500/1200Hz 3.75s on, 0.25s off 15Hz	T 26	T 1
Country specific or custom tone configurations and alarm frequencies are available upon request.

2 x M20 cable entries; brass stopping plug. 304 (A2) Stainless steel mounting bracket

32 onboard selectable tones

Models

Model	Voltage	Current
GNExS1-024	10-30 VDC	140mA @ 24 VDC
GNExS1-048	38-60 VDC	73mA @ 48 VDC
GNExS1-115-230	100-260 VAC/DC 50/60Hz	86mA @115 VAC / 75mA @ 230 VAC

Documents

Product Cut Sheet

GNExS1 Alarm Horn Sounder 117dB (A)