A141 High level audible warning system 141dB(A) 3-11-020

The A141 is the latest in a new generation of high output electronic sounders from E2S which are ideal for wide area and disaster warning applications requiring sound coverage up to 750m.

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Voltage

18-30Vdc 90-264Vac

Enclosure Color

Grey

Product version

Without battery back-up With battery back-up (90-264Vac version only)

Version

Standard tone configuration Stage programmable (4 stages)

Part Number:

A141

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High level audible warning system 141dB(A)

Description

With a choice of 45 standard warning tones including many international signals the A141 is also available in a ‘Stage Programmable’ version which can offer up to 4 remotely activated stages of alarm. Typical installation include COMAH (Seveso II) Alarm, Toxic Gas Release, Fire, Security, Flood Warning, Tsunami Alert and Civil Defence.

Downloads

Datasheet	Datasheet.pdf
Installation Manual	D161-00-001-IS_Issue_F__A141_.pdf
Battery back up installation	D161-00-201-IS_Issue_F__A141AC230GB_Battery_Backup_.pdf
Russian EAC Declaration of Conformity	D-GB.GA05.B.12595-20-24.03.2025.pdf
Russian Maritime register	19.00193.278.pdf
Declaration of Conformity	DC-029_Issue_G_A131__A141.pdf
Test report	2053-A141-Sounder.pdf
2D drawing (PDF)	SK0178_Issue_B.pdf
2D drawing (PDF)	SK0179_Issue_B.pdf
2D drawing (DWG)	SK0179_Issue_B.dwg
Hi-res product image 1 (TIFF)	3-11-020_A141.tif
Hi-res product image 2 (TIFF)	3-11-020_A141_Panel.tif

Features

Using four 100W drivers, the A141 produces a powerful sound with an output in excess of 140 dB and is ideal for warning over distances of between 400m and 700m.

The A141 has a lightweight, compact housing designed for easy mounting and is protected to IP65 making it suitable for installation in all locations.

Optional extras include:

Custom Tones
Battery Back Up (giving up to 30 minutes of alarm)
Radio Control

Specification

Horn unit:
Output:	141dB(A) @ 1m (Tone 2 at nominal voltage +/- 3dB(A)) 112db(A) @ 30m
Alarm tones:	45
Alarm stages:	Standard version: 3 Stage Programmable version: 4
Effective distance:	400 to 700m
Dimensions:	(L) 680 X (H) 425 X (D) 550 mm
Operating temp:	-20°C to +55°C [-13° to +131°F]
Weight:	14.0Kg/30.8lbs
Horn Material:	Glass fibre reinforced plastic
Colour:	Grey
Ingress protection:	IP65
Connection:	Supplied with 10m of cable for connection to the control unit as standard. Custom lengths available.
Mounting:	Adjustable U bracket.
Control Panel:
Input voltage DC:	24V dc (18V dc to 30V dc range)
Input voltage AC:	115 or 230V ac (90V to 264V ac range)
Terminals:	0.5 to 4.0mm² cable
Operating temp:	-20°C to +55°C [-13° to +131°F]
Ingress protection:	IP65
Weight:	2.9Kg/6.38Ibs max. 16.75Kg/36.92lbs max.

Part Codes

Voltage:	Range:	Part code:	Current:
24V dc	18-30V dc	A141DC24G	13.2A
24V dc	18-30V dc	A141DC24G-P	13.2A
115V ac	90-264V ac	A141AC230G	4.20A
115V ac	90-264V ac	A141AC230G-P	4.20A
230V ac	90-264V ac	A141AC230G	1.95A
230V ac	90-264V ac	A141AC230G-P	1.95A
Part codes with -P suffix represent Stage Programmable versions.

Approvals

GOST-R certificate: POCC GB.JB05.H00144

Tone Table

Stage 1	Frequency Description.	Stage 2	Stage 3
T 1	340 Hz Continuous	T 2	T 5
T 2	800/1000Hz @ 0.25 sec Alternating	T 17	T 5
T 3	500/1200Hz @ 0.3Hz 0.5 sec Slow Whoop	T 2	T 5
T 4	800/1000Hz @ 1Hz Sweeping	T 6	T 5
T 5	2400Hz Continuous	T 3	T 20
T 6	2400/2900Hz @ 7Hz Sweeping	T 7	T 5
T 7	2400/2900Hz @ 1Hz Sweeping	T 10	T 5
T 8	500/1200/500Hz @ 0.3Hz Sweeping	T 2	T 5
T 9	1200/500Hz @ 1Hz – DIN / PFEER P.T.A.P.	T 15	T 2
T 10	2400/2900Hz @ 2Hz Alternating	T 7	T 5
T 11	1000Hz @ 1Hz Intermittent	T 2	T 5
T 12	800/1000Hz @ 0.875Hz Alternating	T 4	T 5
T 13	2400Hz @ 1Hz Intermittent	T 15	T 5
T 14	800Hz 0.25sec on, 1 sec off Intermittent	T 4	T 5
T 15	800Hz Continuous	T 2	T 5
T 16	660Hz 150mS on, 150mS off Intermittent	T 18	T 5
T 17	544Hz (100mS)/440Hz (400mS) – NF S 32-001	T 2	T 27
T 18	660Hz 1.8sec on, 1.8sec off Intermittent	T 2	T 5
T 19	1.4KHz-1.6KHz 1s, 1.6KHz-1.4KHz 0.5s -NFC48-265	T 2	T 5
T 20	660Hz Continuous	T 2	T 5
T 21	554Hz/440Hz @ 1Hz Alternating	T 2	T 5
T 22	544Hz @ 0.875 sec. Intermittent	T 2	T 5
T 23	800Hz @ 2Hz Intermittent	T 6	T 5
T 24	800/1000Hz @ 50Hz Sweeping	T 29	T 5
T 25	2400/2900Hz @ 50Hz Sweeping	T 29	T 5
T 26	Bell	T 2	T 15
T 27	554Hz Continuous	T 26	T 5
T 28	440Hz Continuous	T 2	T 5
T 29	800/1000Hz @ 7Hz Sweeping	T 7	T 5
T 30	300Hz Continuous	T 2	T 5
T 31	660/1200Hz @ 1Hz Sweeping	T 26	T 5
T 32	Two T chime.	T 26	T 15
T 33	745Hz @ 1Hz Intermittent	T 2	T 5
T 34	1000 & 2000Hz @ 0.5 sec Alternating – Singapore	T 38	T 45
T 35	420Hz @ 0.625 sec Australian Alert	T 36	T 5
T 36	500-1200Hz 3.75sec /0.25sec. Australian Evac.	T 35	T 5
T 37	1000Hz Continuous – PFEER Toxic Gas	T 9	T 45
T 38	2000Hz Continuous	T 34	T 45
T 39	800Hz 0.25sec on, 1 sec off Intermittent	T 23	T 17
T 40	544Hz (100mS)/440Hz (400mS) – NF S 32-001	T 31	T 27
T 41	Motor Siren – slow rise to 1200 Hz	T 2	T 5
T 42	Motor Siren – slow rise to 800 Hz	T 2	T 5
T 43	1200 Hz Continuous	T 2	T 5
T 44	Motor Siren – slow rise to 2400 Hz	T 2	T 5
T 45	1KHz 1s on, 1s off Intermittent – PFEER Gen. Alarm	T 38	T 34
Country specific or custom tone configurations and alarm frequencies are available upon request.

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