MCA112-L1 Alarm Sounder & LED Beacon 2-31-410

The MCA112-L1 combines a high output, 119dB(A) alarm sounder with a multi-function L.E.D. beacon. With a robust, fire retardant, IP66 & IP67 housing, the MCA112-L1 is particularly suitable for harsh environments with high ambient noise levels. The sounder & beacon can be operated individually or simultaneously.

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Part Number:

MCA112L1

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Alarm Sounder & LED Beacon

Downloads

Datasheet	Datasheet.pdf
Sounder/horn installation	MA112_Inst__ISN3601-A_.pdf
Beacon/light installation	MCx-L1_Inst__ISN3605-A_.pdf
Programmable version installation	PROGSNDR_Inst__ISN2802-A_.pdf
Russian EAC Declaration of Conformity	D-GB.GA05.B.12595-20-24.03.2025.pdf
Russian Fire certificate	GOST-R_POCC_GB.05.H00144_Industrial.PDF
Russian Maritime register	19.00193.278.pdf
Declaration of Conformity	DC-028_Issue_E_Marine.pdf
2D drawing (PDF)	SK0123_Issue_B.pdf
2D drawing (DWG)	SK0123_Issue_B.dwg
Hi-res product image 1 (TIFF)	2-31-410_MCA112-L1-R.tif
Lo-res product image 1 (JPG)	2-31-410_MCA112-L1-R.jpg

Features

Automatic synchronisation on multi-sounder system.
Continuously rated.
Large termination area.
Stainless steel fixings.
Ratchet adjustable stainless steel ‘U’ bracket for
360° positioning.
Duplicate cable terminations.
(in & out for daisy-chain installations).
Tropicalisation available on request.
Available with custom tone configurations
and frequencies.
‘Programmable’ version available:

- 45 alarm tones

- 4 remotely selectable stages

- Any tone can be assigned to any stage

- User configurable continuous frequency tone

Specification

Sounder:
Maximum output:	119dB(A) @ 1 metre [110dB(A) @ 10ft/3m]
Nominal output:	112dB(A) @ 1m +/- 3dB – Tone 2 [103dB(A) @ 10ft/3m]
No. of tones:	45 (UKOOA / PFEER compliant)
No. of stages:	3
Volume control:	Max. 112dB(A); Min. 100dB(A) – Tone 2
Effective range:	125m/410ft @ 1KHz
Voltages DC:	24V dc (10-30V dc); 48V dc (35-60V dc) [DC units can use 24V ac for single stage applications.]
Voltages AC:	24V ac; 115V ac; 230V ac
Stage switching:	Negative or positive Reverse polarity stage switching on DC units.
L.E.D. Beacon:
Light source:	Array of 32 high output L.E.D.s
Peak/Effective Intensity cd:	11 cd* – measured ref. to I.E.S.
Lens colours:	Amber, Blue, Clear (white L.E.D.s) Green, Red & Yellow
Voltages DC:	10-50V dc
Voltages AC:	24V ac;115V ac; 230V ac
General:
Ingress protection:	IP66 & IP67 (Third party tested)
Housing material:	High impact UL94 V0 & 5VA FR ABS
Colour:	Grey (RAL7038)
Cable entries:	2 x M20 supplied with 1 blanking plug
Lens material:	Borosilicate glass dome with PC prismatic lens cover.
Guard:	Stainless Steel dome guard as standard
Terminals:	0.5 to 4.0mm² cables.
Operating temp:	-25 to +55°C [-13° to +131°F]
Storage temp:	-40 to +70°C [-40° to +158°F]
Relative humidity:	90% at 20°C [68°F]
Weight:	DC: 3.00kg/6.6Ibs AC:3.50kg/7.7Ibs
Candela measurements representative of performance with red lens at optimum voltage. SPL data +/-3dB(A). Measured at optimum voltage.

Part Codes

Version:	Part code:
12V dc	MCA112L1DC12G-xx
24V dc	MCA112L1DC24G-xx
48V dc	MCA112L1DC48G-xx
24V ac	MCA112L1AC24G-xx
115V ac	MCA112L1AC115G-xx
230V ac	MCA112L1AC230G-xx
[xx] = L.E.D. / Lens colour:	AM: Amber, BL: Blue, CL: Clear, GN: Green, RD: Red, YW: Yellow
Suffix part number with ‘-P’ for programmable, 4 stage, 45 tone version.

Alarm sounder

Version:		Voltage:	Current:
24V dc		10-30V dc	200mA*
48V dc		35-60V dc	120mA*
24V ac	50/60Hz	+/-10%	500mA
115V ac	50/60Hz	+/-10%	100mA
230V ac	50/60Hz	+/-10%	60mA
* current at nominal voltage on Tone 2

Approvals

GOST-R approved: POCC GB-JB05-H00144.

Beacon modes

Mode:	Stage 1: [Select on board]	Stage 2: [Remote select]	Stage 3: [Remote select]
1	All L.E.D’s on	Mode: 9	Mode: 6
2	Rotating: Slow1	Mode: 9	Mode: 1
3	Single Flash: 2Hz	Mode: 7	Mode: 1
4	Rotating: Fast 1	Mode: 3	Mode: 1
5	Rotating: Slow 2	Mode: 6	Mode: 1
6	Double Flash: 1Hz	Mode: 7	Mode: 1
7	Rotating: Fast 2	Mode: 8	Mode: 1
8	Double Flash: 2Hz	Mode: 9	Mode: 1
9	Alt. Side Flash: 2Hz	Mode: 7	Mode: 1

L.E.D. Beacon

Version:		Voltage:	Current:
12V dc		10-50V dc	760mA
24V dc		10-50V dc	400mA
48V dc		10-50V dc	210mA
24V ac	50/60Hz	+/-10%	380mA
115V ac	50/60Hz	+/-10%	135mA
230V ac	50/60Hz	+/-10%	65mA

Tone Table

Stage 1	WAV file	Frequency Description.	Stage 2	Stage 3
T 1	/system/1/assets/files/000/000/415/415/246615edd/original/TF001.WAV	340 Hz Continuous	T 2	T 5
T 2	/system/1/assets/files/000/000/419/419/e353c86c4/original/TF002.WAV	800/1000Hz @ 0.25 sec Alternating	T 17	T 5
T 3	/system/1/assets/files/000/000/417/417/abf396de0/original/TF003.WAV	500/1200Hz @ 0.3Hz 0.5 sec Slow Whoop	T 2	T 5
T 4	/system/1/assets/files/000/000/420/420/50f9ee7a7/original/TF004.WAV	800/1000Hz @ 1Hz Sweeping	T 6	T 5
T 5	/system/1/assets/files/000/000/421/421/b578af8a9/original/TF005.WAV	2400Hz Continuous	T 3	T 20
T 6	/system/1/assets/files/000/000/422/422/42b72dd93/original/TF006.WAV	2400/2900Hz @ 7Hz Sweeping	T 7	T 5
T 7	/system/1/assets/files/000/000/373/373/a686b0abe/original/TF007.WAV	2400/2900Hz @ 1Hz Sweeping	T 10	T 5
T 8	/system/1/assets/files/000/000/376/376/00cd26f9e/original/TF008.WAV	500/1200/500Hz @ 0.3Hz Sweeping	T 2	T 5
T 9	/system/1/assets/files/000/000/386/386/ceb4e488c/original/TF009.WAV	1200/500Hz @ 1Hz – DIN / PFEER P.T.A.P.	T 15	T 2
T 10	/system/1/assets/files/000/000/374/374/021ee6540/original/TF010.WAV	2400/2900Hz @ 2Hz Alternating	T 7	T 5
T 11	/system/1/assets/files/000/000/377/377/ac5498db0/original/TF011.WAV	1000Hz @ 1Hz Intermittent	T 2	T 5
T 12	/system/1/assets/files/000/000/375/375/771bd7a3e/original/TF012.WAV	800/1000Hz @ 0.875Hz Alternating	T 4	T 5
T 13	/system/1/assets/files/000/000/378/378/6380218ec/original/TF013.WAV	2400Hz @ 1Hz Intermittent	T 15	T 5
T 14	/system/1/assets/files/000/000/379/379/51c1bb5a9/original/TF014.WAV	800Hz 0.25sec on, 1 sec off Intermittent	T 4	T 5
T 15	/system/1/assets/files/000/000/380/380/06feaa7b3/original/TF015.WAV	800Hz Continuous	T 2	T 5
T 16	/system/1/assets/files/000/000/381/381/93f51c79a/original/TF016.WAV	660Hz 150mS on, 150mS off Intermittent	T 18	T 5
T 17	/system/1/assets/files/000/000/382/382/2c2978b6a/original/TF017.WAV	544Hz (100mS)/440Hz (400mS) – NF S 32-001	T 2	T 27
T 18	/system/1/assets/files/000/000/397/397/d6d84d0c3/original/TF018.WAV	660Hz 1.8sec on, 1.8sec off Intermittent	T 2	T 5
T 19	/system/1/assets/files/000/000/383/383/11797b764/original/TF019.WAV	1.4KHz-1.6KHz 1s, 1.6KHz-1.4KHz 0.5s -NFC48-265	T 2	T 5
T 20	/system/1/assets/files/000/000/384/384/5c30f9f4d/original/TF020.WAV	660Hz Continuous	T 2	T 5
T 21	/system/1/assets/files/000/000/385/385/a85a0a356/original/TF021.WAV	554Hz/440Hz @ 1Hz Alternating	T 2	T 5
T 22	/system/1/assets/files/000/000/387/387/d33e565a9/original/TF022.WAV	544Hz @ 0.875 sec. Intermittent	T 2	T 5
T 23	/system/1/assets/files/000/000/388/388/b4cf9203e/original/TF023.WAV	800Hz @ 2Hz Intermittent	T 6	T 5
T 24	/system/1/assets/files/000/000/389/389/68683d240/original/TF024.WAV	800/1000Hz @ 50Hz Sweeping	T 29	T 5
T 25	/system/1/assets/files/000/000/398/398/7c1bf5e00/original/TF025.WAV	2400/2900Hz @ 50Hz Sweeping	T 29	T 5
T 26	/system/1/assets/files/000/000/395/395/631e82dc8/original/TF026.WAV	Bell	T 2	T 15
T 27	/system/1/assets/files/000/000/390/390/10abe0caa/original/TF027.WAV	554Hz Continuous	T 26	T 5
T 28	/system/1/assets/files/000/000/391/391/5f7a58b54/original/TF028.WAV	440Hz Continuous	T 2	T 5
T 29	/system/1/assets/files/000/000/392/392/68d5d1294/original/TF029.WAV	800/1000Hz @ 7Hz Sweeping	T 7	T 5
T 30	/system/1/assets/files/000/000/393/393/744c6f53f/original/TF030.WAV	300Hz Continuous	T 2	T 5
T 31	/system/1/assets/files/000/000/394/394/1bfee2f1b/original/TF031.WAV	660/1200Hz @ 1Hz Sweeping	T 26	T 5
T 32	/system/1/assets/files/000/000/396/396/d64fbc9d0/original/TF032.WAV	Two T chime.	T 26	T 15
T 33	/system/1/assets/files/000/000/410/410/a0f0ba2a6/original/TF033.WAV	745Hz @ 1Hz Intermittent	T 2	T 5
T 34	/system/1/assets/files/000/000/399/399/84b54dafb/original/TF034.WAV	1000 & 2000Hz @ 0.5 sec Alternating – Singapore	T 38	T 45
T 35	/system/1/assets/files/000/000/402/402/9168c8c48/original/TF035.WAV	420Hz @ 0.625 sec Australian Alert	T 36	T 5
T 36	/system/1/assets/files/000/000/400/400/aba6c8a51/original/TF036.WAV	500-1200Hz 3.75sec /0.25sec. Australian Evac.	T 35	T 5
T 37	/system/1/assets/files/000/000/405/405/214ccf82a/original/TF037.WAV	1000Hz Continuous – PFEER Toxic Gas	T 9	T 45
T 38	/system/1/assets/files/000/000/407/407/ecce63f4f/original/TF038.WAV	2000Hz Continuous	T 34	T 45
T 39	/system/1/assets/files/000/000/401/401/e3954ab10/original/TF039.WAV	800Hz 0.25sec on, 1 sec off Intermittent	T 23	T 17
T 40	/system/1/assets/files/000/000/403/403/88b145b84/original/TF040.WAV	544Hz (100mS)/440Hz (400mS) – NF S 32-001	T 31	T 27
T 41	/system/1/assets/files/000/000/404/404/1c1741943/original/TF041.WAV	Motor Siren – slow rise to 1200 Hz	T 2	T 5
T 42	/system/1/assets/files/000/000/408/408/e0fadcdd2/original/TF042.WAV	Motor Siren – slow rise to 800 Hz	T 2	T 5
T 43	/system/1/assets/files/000/000/406/406/49b88184e/original/TF043.WAV	1200 Hz Continuous	T 2	T 5
T 44	/system/1/assets/files/000/000/409/409/590aa5e82/original/TF044.WAV	Motor Siren – slow rise to 2400 Hz	T 2	T 5
T 45	/system/1/assets/files/000/000/412/412/fa8b418f9/original/TF045.WAV	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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