Buzzers & Audio Indicators - Industrial

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Panel Mount Audible Alarms

Mallory Sonalert Products manufactures an extensive line of Panel Mount Audible Alarms with a wide variety of options for sounds, timing, frequency, pulsing, and tones. Featured series include the SC Series, with screw terminals, and the SCE Series, with euro-terminal finger-proof safe termination. These series offer voltages from 1V_DC to 250V_AC and an extensive range of warning sound options. Key markets for Panel Mount Audible Alarms from Mallory are security management, environmental control, industrial and manufacturing. Specific applications include wastewater treatment plants, refineries, petrochemical facilities, power plants, pharmaceutical manufacturing, and industrial process automation.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Product	Type	Sound Pressure Level	Tone	Frequency	Voltage Rating	Current Rating	Termination Style	Mounting Style	Dimensions	Series
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VAC MED, CUL APPRVD SC628AR Mallory Sonalert 1: Rp743.379,92 8In Stock	Mfr. Part No. SC628AR Mouser Part No 539-SC628AR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VAC MED, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	8In Stock	Rp743.379,92 Rp603.033,02 Rp547.811,56 Rp510.385,72 View Rp470.758,36 Rp469.474,14 Quote	Min.: 1 Mult.: 1		Alarms	Piezoelectric	89 dBA	Continuous	2.9 kHz	28 VAC/28 VDC	23 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-28VDC 1900HZ, CUL APPRVD SC628DJR Mallory Sonalert 1: Rp1.011.231,52 1In Stock 6Expected 18/11/2026	Mfr. Part No. SC628DJR Mouser Part No 539-SC628DJR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-28VDC 1900HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	1In Stock 6Expected 18/11/2026	Rp1.011.231,52 Rp848.685,96 Rp821.533,88 Rp801.536,74 View Rp723.933,16 Rp683.938,88 Quote	Min.: 1 Mult.: 1		Buzzers		75 dBA	Pulse		28 V	23 mA	Screw	Flush Mount	1.69 in L x 1.69 in W x 1.41 in H	SC
Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VDC 1900HZ, CUL APPRVD SC628DPR Mallory Sonalert 1: Rp818.598,52 16In Stock 25Expected 27/11/2026	Mfr. Part No. SC628DPR Mouser Part No 539-SC628DPR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VDC 1900HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	16In Stock 25Expected 27/11/2026	Rp818.598,52 Rp616.792,52 Rp554.049,20 Quote Quote	Min.: 1 Mult.: 1		Alarms	Piezoelectric	78 dBA	Pulse	1.9 kHz	28 VDC	23 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-28VDC 1900HZ, SOFT SC628EJR Mallory Sonalert 1: Rp905.191,64 4In Stock	Mfr. Part No. SC628EJR Mouser Part No 539-SC628EJR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-28VDC 1900HZ, SOFT Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	4In Stock	Rp905.191,64 Rp616.609,06	Min.: 1 Mult.: 1		Alarms	Piezoelectric	78 dBA	Pulse	1.9 kHz	28 VDC	28 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 1900HZ, SOFT SC628ER Mallory Sonalert 1: Rp523.044,46 14In Stock	Mfr. Part No. SC628ER Mouser Part No 539-SC628ER	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 1900HZ, SOFT Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	14In Stock	Rp523.044,46 Rp452.412,36 Rp375.175,70 Rp349.124,38 View Rp325.458,04 Rp308.212,80	Min.: 1 Mult.: 1		Alarms	Piezoelectric	74 dBA	Continuous	1.9 kHz	28 VDC	11 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 2900HZ, SOFT SC628FR Mallory Sonalert 1: Rp490.205,12 1In Stock	Mfr. Part No. SC628FR Mouser Part No 539-SC628FR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 2900HZ, SOFT Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	1In Stock	Rp490.205,12 Rp380.129,12 Rp344.904,80 Rp320.871,54 View Rp299.039,80 Rp280.510,34	Min.: 1 Mult.: 1		Alarms	Piezoelectric	72 dBA	Continuous	2.9 kHz	28 VDC	4 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 4500HZ, CUL APPRVD SC628HR Mallory Sonalert 1: Rp580.650,90 13In Stock	Mfr. Part No. SC628HR Mouser Part No 539-SC628HR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 4500HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	13In Stock	Rp580.650,90 Rp486.352,46 Rp413.151,92 Rp384.532,16 View Rp358.480,84 Rp343.253,66	Min.: 1 Mult.: 1		Alarms	Piezoelectric	89 dBA	Continuous	4.5 kHz	28 VDC	23 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-28VDC MED, CUL APPRVD SC628JR Mallory Sonalert 1: Rp777.320,02 44In Stock	Mfr. Part No. SC628JR Mouser Part No 539-SC628JR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-28VDC MED, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	44In Stock	Rp777.320,02 Rp604.684,16 Rp549.462,70 Rp511.669,94 Rp472.226,04	Min.: 1 Mult.: 1		Alarms	Piezoelectric	90 dBA	Pulse	2.9 kHz	28 VDC	26 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 1900HZ, LOUD SC628NDR Mallory Sonalert 1: Rp627.066,28 24In Stock	Mfr. Part No. SC628NDR Mouser Part No 539-SC628NDR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 1900HZ, LOUD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	24In Stock	Rp627.066,28 Rp513.504,54 Rp473.326,80 Rp438.102,48 View Rp413.151,92 Rp402.144,32	Min.: 1 Mult.: 1		Alarms	Piezoelectric	98 dBA	Continuous	2 kHz	28 VDC	20 mA	Screw	Panel Mount	43 mm x 47 mm	SC
Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VDC 2900HZ, LOUD SC628NPR Mallory Sonalert 1: Rp837.127,98 29In Stock	Mfr. Part No. SC628NPR Mouser Part No 539-SC628NPR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VDC 2900HZ, LOUD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	29In Stock	Rp837.127,98 Rp643.027,30 Rp579.550,14 Rp550.013,08 View Rp516.623,36 Rp515.706,06	Min.: 1 Mult.: 1		Alarms	Piezoelectric	95 dBA	Pulse	2.9 kHz	28 VDC	16 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial FAST PULSE, 10-48V 2900HZ, LOUD SC648ANPR Mallory Sonalert 1: Rp1.064.251,46 16In Stock	Mfr. Part No. SC648ANPR Mouser Part No 539-SC648ANPR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial FAST PULSE, 10-48V 2900HZ, LOUD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	16In Stock	Rp1.064.251,46 Rp829.789,58 Rp753.470,22 Rp703.385,64 Rp673.114,74	Min.: 1 Mult.: 1		Alarms	Piezoelectric	103 dBA	Pulse	2.9 kHz	48 VAC/48 VDC	26 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 10-48VAC XLOUD, CUL APPRVD SC648ANR Mallory Sonalert 1: Rp964.265,76 1In Stock	Mfr. Part No. SC648ANR Mouser Part No 539-SC648ANR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 10-48VAC XLOUD, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	1In Stock	Rp964.265,76 Rp746.865,66 Rp671.830,52 Rp636.606,20 Rp602.299,18	Min.: 1 Mult.: 1		Alarms	Piezoelectric	105 dBA	Continuous	2.9 kHz	48 VAC/48 VDC	26 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 10-48VAC MED, CUL APPRVD SC648AR Mallory Sonalert 1: Rp775.852,34 9In Stock	Mfr. Part No. SC648AR Mouser Part No 539-SC648AR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 10-48VAC MED, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	9In Stock	Rp775.852,34 Rp610.554,88 Rp530.382,86 Quote Quote	Min.: 1 Mult.: 1		Alarms	Piezoelectric	91 dBA	Continuous	2.9 kHz	48 VAC/48 VDC	16 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 10-48VDC MED, CUL APPRVD SC648R Mallory Sonalert 1: Rp424.526,44 48In Stock	Mfr. Part No. SC648R Mouser Part No 539-SC648R	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 10-48VDC MED, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	48In Stock	Rp424.526,44 Rp328.760,32 Rp298.122,50 Rp293.536,00 Rp268.035,06	Min.: 1 Mult.: 1		Alarms	Piezoelectric	91 dBA	Continuous	2.9 kHz	48 VDC	18 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT 6-16VDC, 3KHZ, XLOUD SCE016XD3CTB Mallory Sonalert 1: Rp610.738,34 6In Stock	Mfr. Part No. SCE016XD3CTB Mouser Part No 539-SCE016XD3CTB	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT 6-16VDC, 3KHZ, XLOUD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	6In Stock	Rp610.738,34 Rp411.133,86 Rp369.855,36	Min.: 1 Mult.: 1		Alarms	Piezoelectric	105 dBA	Continuous	2.9 kHz	16 VDC	40 mA	Terminal Block	Panel Mount	43 mm x 36 mm	SCE
Buzzers & Audio Indicators - Industrial CONSTANT 16-28VDC, 3KHZ, LOUD SCE028LD3CTB Mallory Sonalert 1: Rp574.596,72 8In Stock	Mfr. Part No. SCE028LD3CTB Mouser Part No 539-SCE028LD3CTB	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT 16-28VDC, 3KHZ, LOUD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	8In Stock	Rp574.596,72 Rp445.991,26 Rp404.896,22 Rp376.826,84 View Rp351.142,44 Rp335.548,34	Min.: 1 Mult.: 1		Alarms	Piezoelectric	95 dBA	Continuous	2.9 kHz	28 VDC	40 mA	Terminal Block	Panel Mount	43 mm x 36 mm	SCE
Buzzers & Audio Indicators - Industrial CONSTANT, 4-28VDC SNAP-IN, CUL APPRVD SNP428R Mallory Sonalert 1: Rp473.510,26 33In Stock 100Expected 23/11/2026	Mfr. Part No. SNP428R Mouser Part No 539-SNP428R	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 4-28VDC SNAP-IN, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	33In Stock 100Expected 23/11/2026	Rp473.510,26 Rp363.067,34 Rp328.209,94 Rp319.403,86 View Rp301.608,24 Rp273.171,94 Rp272.988,48	Min.: 1 Mult.: 1		Alarms	Piezoelectric	83 dBA	Continuous	2.9 kHz	28 VDC	18 mA	Solder Lug	Panel Mount	41.66 mm x 21.51 mm	SNP
Buzzers & Audio Indicators - Industrial SLOW PULSE, 3-24VDC 3.5KHZ, 95DB, 28X25 PL-20A35EWQ Mallory Sonalert 1: Rp163.095,94 75In Stock	Mfr. Part No. PL-20A35EWQ Mouser Part No 539-PL-20A35EWQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial SLOW PULSE, 3-24VDC 3.5KHZ, 95DB, 28X25 Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	75In Stock	Rp163.095,94 Rp130.623,52 Rp115.579,80 Rp106.773,72 View Rp99.068,40 Rp96.683,42	Min.: 1 Mult.: 1		Alarms	Piezoelectric	95 dBA	Pulse	3.5 kHz	12 VDC	10 mA	Wire Lead	Flange Mount	28 mm x 25 mm	PL
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VAC/DC ALARM + LED, XLOUD LSC628AN Mallory Sonalert 1: Rp1.466.579,24 6In Stock	Mfr. Part No. LSC628AN Mouser Part No 539-LSC628AN	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VAC/DC ALARM + LED, XLOUD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	6In Stock	Rp1.466.579,24 Rp1.120.757,14 Rp1.068.104,12 Rp1.000.040,46	Min.: 1 Mult.: 1	No	Buzzers		95 dBA	Continuous	2.9 kHz	28 V	65 mA	Screw	Flush Mount		LSC
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC MIL/RUGGED, MEDIUM SC628M Mallory Sonalert 1: Rp1.391.544,10 14In Stock	Mfr. Part No. SC628M Mouser Part No 539-SC628M	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC MIL/RUGGED, MEDIUM Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	14In Stock	Rp1.391.544,10 Rp1.073.424,46 Rp1.049.758,12 View Quote	Min.: 1 Mult.: 1	No	Alarms	Piezoelectric	90 dBA	Continuous	2.9 kHz	28 VDC	16 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VDC 1900HZ, LOUD SC628NDP Mallory Sonalert 1: Rp752.002,54 24In Stock	Mfr. Part No. SC628NDP Mouser Part No 539-SC628NDP	Mallory Sonalert	Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VDC 1900HZ, LOUD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	24In Stock	Rp752.002,54 Rp550.563,46 Rp463.603,42 View Quote	Min.: 1 Mult.: 1	No	Alarms	Piezoelectric	95 dBA	Pulse	2 kHz	28 VDC	16 mA	Screw	Panel Mount	43 mm x 47 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 2900HZ, CUL APPRVD SC628NLR Mallory Sonalert 1: Rp630.552,02 110Expected 16/11/2026	Mfr. Part No. SC628NLR Mouser Part No 539-SC628NLR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 2900HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	110Expected 16/11/2026	Rp630.552,02 Rp485.618,62 Rp433.149,06 Rp403.978,92 View Rp402.878,16 Rp377.744,14	Min.: 1 Mult.: 1		Alarms	Piezoelectric	97 dBA	Continuous	2.9 kHz	28 VDC	16 mA	Wire Lead	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CHIME, 6-16VDC MED, CUL APPRVD SC616CPR Mallory Sonalert 1: Rp899.137,46 26Expected 16/11/2026	Mfr. Part No. SC616CPR Mouser Part No 539-SC616CPR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CHIME, 6-16VDC MED, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	26Expected 16/11/2026	Rp899.137,46 Rp694.763,02 Rp636.422,74 Rp592.942,72 Rp556.434,18	Min.: 1 Mult.: 1		Alarms	Piezoelectric	78 dBA	Chime	2.9 kHz	16 VDC	23 mA	Screw	Panel Mount	43 mm x 36 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 1900HZ, CUL APPRVD SC628DR Mallory Sonalert 1: Rp448.743,16 70On Order	Mfr. Part No. SC628DR Mouser Part No 539-SC628DR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 1900HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	70On Order	Rp448.743,16 Rp360.498,90 Rp327.109,18 Rp304.176,68 Rp264.182,40	Min.: 1 Mult.: 1		Alarms	Piezoelectric	78 dBA	Continuous	1.9 kHz	28 VDC	23 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V 1900HZ, CUL APPRVD SC110DR Mallory Sonalert 1.000: Rp523.411,38 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. SC110DR Mouser Part No 539-SC110DR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V 1900HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	Non-Stocked Lead-Time 4 Weeks	Rp523.411,38	Min.: 1.000 Mult.: 1.000		Buzzers		75 dBA	Continuous	1.9 kHz	120 V	21 mA	Screw	Panel Mount	1.69 in L x 1.69 in W x 1.41 in H	SC