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 (USD) 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, 30-120V XLOUD, CUL APPRVD SC110NR Mallory Sonalert 1: $69.20 39In Stock	Mfr. Part # SC110NR Mouser Part # 539-SC110NR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V XLOUD, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	39In Stock	$69.20 $57.64 $54.16 $52.51	Min.: 1 Mult.: 1		Alarms	Piezoelectric	95 dBA	Continuous	2.9 kHz	120 VAC/120 VDC	24 mA	Screw	Panel Mount	42.85 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VAC MED, CUL APPRVD SC628APR Mallory Sonalert 1: $67.82 36In Stock	Mfr. Part # SC628APR Mouser Part # 539-SC628APR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VAC MED, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	36In Stock	$67.82 $57.04 $51.87 $48.35 View $46.10 $44.40 Quote	Min.: 1 Mult.: 1		Alarms	Piezoelectric	88 dBA	Pulse	2.9 kHz	28 VAC/28 VDC	23 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial SLOW WARBLE, 6-30VDC MEDIUM SC630JWR Mallory Sonalert 1: $71.90 4In Stock	Mfr. Part # SC630JWR Mouser Part # 539-SC630JWR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial SLOW WARBLE, 6-30VDC MEDIUM Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	4In Stock	$71.90 $64.35 $57.19 $54.09 View $50.40 $46.66 Quote	Min.: 1 Mult.: 1		Alarms	Piezoelectric	85 dBA	Warble	2.8 kHz	30 VDC	40 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CHIME, 6-28VDC 2900HZ, CUL APPRVD SC628CPNR Mallory Sonalert 1: $77.51 14In Stock	Mfr. Part # SC628CPNR Mouser Part # 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	$77.51 $74.11	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 CONSTANT, 30-120V MED, CUL APPRVD SC110R Mallory Sonalert 1: $51.88 131In Stock	Mfr. Part # SC110R Mouser Part # 539-SC110R	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V MED, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	131In Stock	$51.88 $40.05 $39.39 View Quote	Min.: 1 Mult.: 1		Alarms	Piezoelectric	80 dBA	Continuous	2.9 kHz	120 VAC/120 VDC	21 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V 1900HZ, CUL APPRVD SC250DR Mallory Sonalert 1: $65.85 134In Stock	Mfr. Part # SC250DR Mouser Part # 539-SC250DR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V 1900HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	134In Stock	$65.85 $52.95 $49.22 $45.86 View $45.36 $42.52	Min.: 1 Mult.: 1		Alarms	Piezoelectric	72 dBA	Continuous	1.9 kHz	250 VAC/250 VDC	16 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 3-7VDC XLOUD, CUL APPRVD SC307NR Mallory Sonalert 1: $41.74 61In Stock	Mfr. Part # SC307NR Mouser Part # 539-SC307NR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-7VDC XLOUD, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	61In Stock	$41.74 $29.77 $26.86	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 FAST PULSE, 6-16VDC XLOUD, CUL APPRVD SC616NPR Mallory Sonalert 1: $51.38 173In Stock	Mfr. Part # SC616NPR Mouser Part # 539-SC616NPR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial FAST PULSE, 6-16VDC XLOUD, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	173In Stock	$51.38 $39.95 $36.18 $33.72 $30.93	Min.: 1 Mult.: 1		Alarms	Piezoelectric	95 dBA	Pulse	500 Hz	16 VDC	22 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT 16-28VDC, 3KHZ, MED SCE028MD3CTB Mallory Sonalert 1: $35.44 88In Stock	Mfr. Part # SCE028MD3CTB Mouser Part # 539-SCE028MD3CTB	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT 16-28VDC, 3KHZ, MED Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	88In Stock	$35.44 $27.48 $24.93 $23.21 View $21.87 $20.32	Min.: 1 Mult.: 1		Alarms	Piezoelectric	85 dBA	Continuous	2.9 kHz	28 VDC	40 mA	Terminal Block	Panel Mount	43 mm x 36 mm	SCE
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC MIL/RUGGED, LOUD SC628MN Mallory Sonalert 1: $75.11 72In Stock	Mfr. Part # SC628MN Mouser Part # 539-SC628MN	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC MIL/RUGGED, LOUD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	72In Stock	$75.11 $62.35 $57.80 $56.16 $54.18	Min.: 1 Mult.: 1	No	Alarms	Piezoelectric	97 dBA	Continuous	2.9 kHz	28 VAC/28 VDC	16 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 1-5VDC 2900HZ, CUL APPRVD SC105R Mallory Sonalert 1: $33.49 25In Stock	Mfr. Part # SC105R Mouser Part # 539-SC105R	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 1-5VDC 2900HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	25In Stock	$33.49 $26.39 $23.56 $22.56 View $21.01 $19.70	Min.: 1 Mult.: 1		Alarms	Piezoelectric	75 dBA	Continuous	2.9 kHz	5 VDC	16 mA	Screw	Panel Mount	42.85 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V 1900HZ, SOFT SC110ER Mallory Sonalert 1: $61.44 6In Stock	Mfr. Part # SC110ER Mouser Part # 539-SC110ER	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V 1900HZ, SOFT Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	6In Stock	$61.44 $47.33 $42.82 $40.50 $37.84	Min.: 1 Mult.: 1		Alarms	Piezoelectric	78 dBA	Continuous	1.9 kHz	120 VAC/120 VDC	10 mA	Screw	Panel Mount	42.85 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V 4500HZ, CUL APPRVD SC110HR Mallory Sonalert 1: $64.81 12In Stock	Mfr. Part # SC110HR Mouser Part # 539-SC110HR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V 4500HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	12In Stock	$64.81 $52.66 $46.79 $45.23 $42.81	Min.: 1 Mult.: 1		Alarms	Piezoelectric	80 dBA	Continuous	4.5 kHz	120 VAC/120 VDC	21 mA	Screw	Panel Mount	42.85 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial SLOW PULSE, 30-120V 2900HZ, CUL APPRVD SC110JR Mallory Sonalert 1: $74.19 12In Stock 18On Order	Mfr. Part # SC110JR Mouser Part # 539-SC110JR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial SLOW PULSE, 30-120V 2900HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	12In Stock 18On Order	$74.19 $59.54 $56.24 $53.11 $51.18	Min.: 1 Mult.: 1		Alarms	Piezoelectric	80 dBA	Pulse	2.9 kHz	120 VAC/120 VDC	22 mA	Screw	Panel Mount	42.85 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial SLOW PULSE, 30-120V XLOUD, CUL APPRVD SC110NJR Mallory Sonalert 1: $83.06 13In Stock	Mfr. Part # SC110NJR Mouser Part # 539-SC110NJR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial SLOW PULSE, 30-120V XLOUD, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	13In Stock	$83.06 $54.96 $53.18	Min.: 1 Mult.: 1		Alarms	Piezoelectric	95 dBA	Pulse	2.9 kHz	120 VAC/120 VDC	24 mA	Screw	Panel Mount	42.85 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial FAST PULSE, 30-120V MED, CUL APPRVD SC110PR Mallory Sonalert 1: $77.65 7In Stock	Mfr. Part # SC110PR Mouser Part # 539-SC110PR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial FAST PULSE, 30-120V MED, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	7In Stock	$77.65 $61.82 $55.38 $52.40 View $51.05 Quote	Min.: 1 Mult.: 1		Alarms	Piezoelectric	80 dBA	Pulse	2.9 kHz	120 VAC/120 VDC	22 mA	Screw	Panel Mount	43 mm x 36 mm	SC
Buzzers & Audio Indicators - Industrial MED CHIRP 30-120V SC110Q Mallory Sonalert 1: $46.28 3In Stock	Mfr. Part # SC110Q Mouser Part # 539-SC110Q	Mallory Sonalert	Buzzers & Audio Indicators - Industrial MED CHIRP 30-120V Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	3In Stock	$46.28 $29.11 $26.18	Min.: 1 Mult.: 1		Alarms	Piezoelectric	80 dBA	Chirp	2.9 kHz	120 VAC	22 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial FAST PULSE, 60-250V MED, CUL APPRVD SC250PR Mallory Sonalert 1: $79.12 1In Stock	Mfr. Part # SC250PR Mouser Part # 539-SC250PR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial FAST PULSE, 60-250V MED, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	1In Stock	$79.12 $61.10 $55.34 $52.98 $51.05	Min.: 1 Mult.: 1		Alarms	Piezoelectric	78 dBA	Pulse	2.9 kHz	250 VAC/250 VDC	13 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V MED, CUL APPRVD SC250R Mallory Sonalert 1: $58.83 9In Stock 11Expected 11/17/2026	Mfr. Part # SC250R Mouser Part # 539-SC250R	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V MED, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	9In Stock 11Expected 11/17/2026	$58.83 $41.72 $39.39	Min.: 1 Mult.: 1		Alarms	Piezoelectric	80 dBA	Continuous	2.9 kHz	250 VAC/250 VDC	18 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 4-16VDC 2900HZ, CUL APPRVD SC416R Mallory Sonalert 1: $34.45 2In Stock 29Expected 11/11/2026	Mfr. Part # SC416R Mouser Part # 539-SC416R	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 4-16VDC 2900HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	2In Stock 29Expected 11/11/2026	$34.45 $22.56 $19.70 $19.59 Quote Quote	Min.: 1 Mult.: 1		Alarms	Piezoelectric	89 dBA	Continuous	2.9 kHz	16 VDC	14 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-16VDC XLOUD, CUL APPRVD SC616NJR Mallory Sonalert 1: $51.38 19In Stock	Mfr. Part # SC616NJR Mouser Part # 539-SC616NJR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-16VDC XLOUD, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	19In Stock	$51.38 $39.95 $36.28 $33.79 View $31.51 $30.93	Min.: 1 Mult.: 1		Alarms	Piezoelectric	95 dBA	Pulse	2.9 kHz	16 VDC	22 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 6-16VDC 2900HZ, CUL APPRVD SC616NLR Mallory Sonalert 1: $47.94 7In Stock	Mfr. Part # SC616NLR Mouser Part # 539-SC616NLR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-16VDC 2900HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	7In Stock	$47.94 $31.50 $28.60	Min.: 1 Mult.: 1		Alarms	Piezoelectric	95 dBA	Continuous	2.9 kHz	16 VDC	22 mA	Wire Lead	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VAC 1900HZ, CUL APPRVD SC628ADR Mallory Sonalert 1: $56.93 3In Stock	Mfr. Part # SC628ADR Mouser Part # 539-SC628ADR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VAC 1900HZ, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	3In Stock	$56.93 $39.18 $36.48	Min.: 1 Mult.: 1		Alarms	Piezoelectric	75 dBA	Continuous	1.9 kHz	28 VAC/28 VDC	23 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-28VAC MED, CUL APPRVD SC628AJR Mallory Sonalert 1: $75.95 3In Stock	Mfr. Part # SC628AJR Mouser Part # 539-SC628AJR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-28VAC MED, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	3In Stock	$75.95 $57.20 $52.01 $48.48 $46.24	Min.: 1 Mult.: 1		Alarms	Piezoelectric	88 dBA	Pulse	2.9 kHz	28 VAC/28 VDC	23 mA	Screw	Panel Mount	43 mm x 33 mm	SC
Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-28VAC XLOUD, CUL APPRVD SC628ANJR Mallory Sonalert 1: $73.62 4In Stock 23Expected 11/2/2026	Mfr. Part # SC628ANJR Mouser Part # 539-SC628ANJR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-28VAC XLOUD, CUL APPRVD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	4In Stock 23Expected 11/2/2026	$73.62 $49.27 $47.09	Min.: 1 Mult.: 1		Alarms	Piezoelectric	103 dBA	Pulse	2.9 kHz	28 VAC/28 VDC	30 mA	Screw	Panel Mount	43 mm x 33 mm	SC