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 (EUR) 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 FAST PULSE, 6-28VAC XLOUD, CUL APPRVD SC628ANPR Mallory Sonalert 1: 59,05 € 20In Stock	Mfr. Part No. SC628ANPR Mouser Part No 539-SC628ANPR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VAC XLOUD, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	20In Stock	59,05 € 51,08 €	Min.: 1 Mult.: 1		Alarms	Piezoelectric	95 dBA	Pulse	2.9 kHz	28 VAC/28 VDC	30 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VAC MED, CUL APPRVD SC628AR Mallory Sonalert 1: 34,53 € 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	34,53 € 28,27 € 25,68 € 23,93 € 22,95 €	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 CHIME, 6-28VDC 2900HZ, CUL APPRVD SC628CPNR Mallory Sonalert 1: 68,22 € 14In Stock	Mfr. Part No. SC628CPNR Mouser Part No 539-SC628CPNR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CHIME, 6-28VDC 2900HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	14In Stock	68,22 € 59,86 € 51,01 €	Min.: 1 Mult.: 1		Alarms	Piezoelectric	95 dBA	Chime	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, CUL APPRVD SC628DPR Mallory Sonalert 1: 38,37 € 14In Stock	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	14In Stock	38,37 € 28,91 € 25,97 € 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 CONSTANT, 6-28VDC 1900HZ, CUL APPRVD SC628DR Mallory Sonalert 1: 21,79 € 24In Stock	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	24In Stock	21,79 € 15,13 €	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 SLOW PULSE, 6-28VDC 1900HZ, SOFT SC628EJR Mallory Sonalert 1: 42,43 € 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	42,43 € 28,90 €	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: 24,73 € 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	24,73 € 20,30 € 17,59 € 16,37 € View 15,26 € 15,03 €	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: 22,99 € 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	22,99 € 17,82 € 16,17 € 15,04 € View 14,02 € 13,68 €	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: 27,15 € 14In 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	14In Stock	27,15 € 22,23 € 19,37 € 18,03 € View 16,80 € 16,74 €	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: 36,44 € 48In 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	48In Stock	36,44 € 28,35 € 25,76 € 23,99 € 23,02 €	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: 29,39 € 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	29,39 € 24,07 € 22,19 € 20,54 € 19,62 €	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: 39,28 € 30In 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	30In Stock	39,28 € 30,26 € 27,33 € 25,78 € 25,14 €	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: 49,89 € 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	49,89 € 38,90 € 35,32 € 32,97 € 32,83 €	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: 45,20 € 2In 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	2In Stock	45,20 € 35,01 € 31,49 € 29,84 € 29,37 €	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: 36,37 € 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	36,37 € 28,62 € 24,86 € 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 6-16VDC, 3KHZ, XLOUD SCE016XD3CTB Mallory Sonalert 1: 28,63 € 7In 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	7In Stock	28,63 € 19,27 € 18,03 €	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: 26,94 € 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	26,94 € 20,91 € 18,98 € 17,66 € View 16,46 € 16,37 €	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: 22,92 € 111In Stock	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	111In Stock	22,92 € 15,18 € 13,81 €	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: 7,96 € 76In 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	76In Stock	7,96 € 5,14 € 4,53 €	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: 68,75 € 7In 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	7In Stock	68,75 € 52,54 € 50,07 € 48,56 €	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: 63,83 € 15In 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	15In Stock	63,83 € 49,41 € 47,40 € 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: 35,85 € 26In 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	26In Stock	35,85 € 29,38 € 22,61 €	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, 3-7VDC XLOUD, CUL APPRVD SC307NR Mallory Sonalert 1: 27,61 € 83Expected 10/5/2026	Mfr. Part No. SC307NR Mouser Part No 539-SC307NR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-7VDC XLOUD, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	83Expected 10/5/2026	27,61 € 19,69 € 18,47 €	Min.: 1 Mult.: 1		Alarms	Piezoelectric	97 dBA	Continuous	2.9 kHz	7 VDC	20 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 10-48VDC MED, CUL APPRVD SC648R Mallory Sonalert 1: 19,90 € 52On Order	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	52On Order On Order Ship Dates Mfr. No: SC648R Stock: 0 On Order: 17 Expected 10/6/2026 35 Expected 10/7/2026 Factory Lead Time: 3 Weeks	19,90 € 13,76 € 13,72 €	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, 30-120V 1900HZ, CUL APPRVD SC110DR Mallory Sonalert 1.000: 25,16 € 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	25,16 €	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

Panel Mount Audible Alarms

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