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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
Buzzers & Audio Indicators - Board Mount CONSTANT, 3-7VDC 3200HZ, 12x7.5MM PB-12N32MP-05AQ Mallory Sonalert 1: £2.96 1,488In Stock	Mfr. Part No. PB-12N32MP-05AQ Mouser Part No 539-PB12N32MP05AQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 3-7VDC 3200HZ, 12x7.5MM	Datasheet	1,488In Stock	£2.96 £2.44 £2.21 £1.96 View £1.88 £1.69 £1.63	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 2.5KHZ, 95DB, 23X18 PK-20A25WQ Mallory Sonalert 1: £4.95 1,727In Stock	Mfr. Part No. PK-20A25WQ Mouser Part No 539-PK-20A25WQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 2.5KHZ, 95DB, 23X18	Datasheet	1,727In Stock	£4.95 £3.89 £3.50 £3.22 View £2.92 £2.77	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Board Mount CONSTANT, 3-28VDC 2.5KHZ, 90DB, 30X10 PK-27N26PSQ Mallory Sonalert 1: £4.16 1,798In Stock	Mfr. Part No. PK-27N26PSQ Mouser Part No 539-PK-27N26PSQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 3-28VDC 2.5KHZ, 90DB, 30X10	Datasheet	1,798In Stock	£4.16 £3.03 £2.81 £2.60 View £2.47 £2.24	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Board Mount CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X10 PK-27N36PSQ Mallory Sonalert 1: £4.16 554In Stock	Mfr. Part No. PK-27N36PSQ Mouser Part No 539-PK-27N36PSQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X10	Datasheet	554In Stock	£4.16 £3.04 £2.82 £2.61 View £2.47 £2.24	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Board Mount CONSTANT, 3-15VDC 4.1KHZ, SEALED PK-12N40PEQ Mallory Sonalert 1: £3.29 3,939In Stock	Mfr. Part No. PK-12N40PEQ Mouser Part No 539-PK12N40PEQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 3-15VDC 4.1KHZ, SEALED	Datasheet	3,939In Stock	£3.29 £2.55 £2.30 £2.13 View £1.97 £1.87	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 2.5KHZ, 95DB, 23X18 PK-20A25PQ Mallory Sonalert 1: £4.31 904In Stock	Mfr. Part No. PK-20A25PQ Mouser Part No 539-PK20A25PQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 2.5KHZ, 95DB, 23X18	Datasheet	904In Stock	£4.31 £3.14 £2.92 £2.76	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 28X25 PK-20A35EWQ Mallory Sonalert 1: £4.20 2,496In Stock	Mfr. Part No. PK-20A35EWQ Mouser Part No 539-PK20A35EWQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 28X25	Datasheet	2,496In Stock	£4.20 £3.08 £2.85 £2.65 View £2.50 £2.27 £2.23	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 3.8KHZ, 95DB, 23X18 PK-20A38PQ Mallory Sonalert 1: £4.20 2,355In Stock 19On Order	Mfr. Part No. PK-20A38PQ Mouser Part No 539-PK20A38PQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 3.8KHZ, 95DB, 23X18	Datasheet	2,355In Stock 19On Order	£4.20 £3.28 £2.96 £2.75 £2.56	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Industrial LOUD CONT 30-120V SC110N Mallory Sonalert 1: £43.94 59In Stock	Mfr. Part No. SC110N Mouser Part No 539-SC110N	Mallory Sonalert	Buzzers & Audio Indicators - Industrial LOUD CONT 30-120V	Datasheet	59In Stock	£43.94 £38.71 £35.02	Min.: 1 Mult.: 1	No
Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V 2900HZ, CUL APPRVD SC250 Mallory Sonalert 1: £40.34 58In Stock	Mfr. Part No. SC250 Mouser Part No 539-SC250	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V 2900HZ, CUL APPRVD	Datasheet	58In Stock	£40.34 £35.85 £32.69 £30.51 £26.28	Min.: 1 Mult.: 1	No
Buzzers & Audio Indicators - Industrial LOUD CONT 6-16V SC616N Mallory Sonalert 1: £23.39 132In Stock	Mfr. Part No. SC616N Mouser Part No 539-SC616N	Mallory Sonalert	Buzzers & Audio Indicators - Industrial LOUD CONT 6-16V	Datasheet	132In Stock	£23.39 £16.86 £15.78	Min.: 1 Mult.: 1	No
Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC MIL/RUGGED, LOUD SC628MN Mallory Sonalert 1: £43.38 67In Stock	Mfr. Part No. SC628MN Mouser Part No 539-SC628MN	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC MIL/RUGGED, LOUD Learn More about Mallory Sonalert panel mount audible alarms	Datasheet	67In Stock	£43.38 £36.01 £33.38 £32.55	Min.: 1 Mult.: 1	No
Buzzers & Audio Indicators - Industrial MED CONT 10-48V SC648 Mallory Sonalert 1: £20.01 121In Stock	Mfr. Part No. SC648 Mouser Part No 539-SC648	Mallory Sonalert	Buzzers & Audio Indicators - Industrial MED CONT 10-48V	Datasheet	121In Stock	£20.01 £16.60 £15.21 £14.21 View £13.47 £13.29	Min.: 1 Mult.: 1	No
Buzzers & Audio Indicators - Board Mount CONSTANT, 4-10VDC LOUD, 23X10MM, PINS MSR414NR Mallory Sonalert 1: £7.48 45In Stock	Mfr. Part No. MSR414NR Mouser Part No 539-MSR414NR	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 4-10VDC LOUD, 23X10MM, PINS Learn More about Mallory Sonalert msr indicators	Datasheet	45In Stock	£7.48 £5.85 £5.40 £4.91 View £4.57 £4.16 £3.97	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Board Mount CONSTANT, 5-16VDC LOUD, SEALED, PINS MSR516NSR Mallory Sonalert 1: £7.34 108In Stock 531On Order	Mfr. Part No. MSR516NSR Mouser Part No 539-MSR516NSR	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 5-16VDC LOUD, SEALED, PINS Learn More about Mallory Sonalert msr indicators	Datasheet	108In Stock 531On Order On Order Ship Dates Mfr. No: MSR516NSR Stock: 108 Can Dispatch Immediately On Order: 76 Expected 06/11/2026 255 Expected 10/11/2026 200 Expected 20/11/2026 Factory Lead Time: 4 Weeks	£7.34 £5.70 £5.16 £4.79 View £4.45 £4.26	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Board Mount CONSTANT, 4-28VDC PC PINS, CUL APPRVD SBM428R Mallory Sonalert 1: £19.60 39In Stock	Mfr. Part No. SBM428R Mouser Part No 539-SBM428R	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 4-28VDC PC PINS, CUL APPRVD	Datasheet	39In Stock	£19.60 £15.19 £14.02	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Board Mount IEC ALARM 3-5VDC 90 DB GENERAL PC SBT5LM0PC Mallory Sonalert 1: £35.36 5In Stock	Mfr. Part No. SBT5LM0PC Mouser Part No 539-SBT5LM0PC	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount IEC ALARM 3-5VDC 90 DB GENERAL PC Learn More about Mallory Sonalert medical alarm	Datasheet	5In Stock	£35.36 £26.51 £24.52 £24.17 £22.44	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Industrial CONSTANT, 1-5VDC 2900HZ, CUL APPRVD SC105R Mallory Sonalert 1: £19.34 25In Stock	Mfr. Part No. SC105R Mouser Part No 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	£19.34 £15.24 £13.60 £13.03 View £12.13 £11.83	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V 1900HZ, SOFT SC110ER Mallory Sonalert 1: £35.48 6In Stock	Mfr. Part No. SC110ER Mouser Part No 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	£35.48 £27.33 £24.73 £23.39 £22.73	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V 2900HZ, SOFT SC110FR Mallory Sonalert 1: £49.18 1In Stock	Mfr. Part No. SC110FR Mouser Part No 539-SC110FR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V 2900HZ, SOFT	Datasheet	1In Stock	£49.18 £38.40 £36.71 £35.76 View £33.68 £33.00	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V 4500HZ, CUL APPRVD SC110HR Mallory Sonalert 1: £37.43 12In Stock	Mfr. Part No. SC110HR Mouser Part No 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	£37.43 £30.42 £27.02 £26.12 £25.72	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V 2900HZ, CUL APPRVD SC250NR Mallory Sonalert 1: £42.40 13In Stock	Mfr. Part No. SC250NR Mouser Part No 539-SC250NR	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V 2900HZ, CUL APPRVD	Datasheet	13In Stock	£42.40 £28.02 £27.81	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V MED, CUL APPRVD SC250R Mallory Sonalert 1: £33.98 9In Stock 11Expected 17/11/2026	Mfr. Part No. SC250R Mouser Part No 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 17/11/2026	£33.98 £24.09 £23.67	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Industrial CONSTANT, 4-16VDC 2900HZ, CUL APPRVD SC416R Mallory Sonalert 1: £19.90 2In Stock 29Expected 11/11/2026	Mfr. Part No. SC416R Mouser Part No 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	£19.90 £13.03 £11.83	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Industrial CONSTANT, 6-16VDC 2900HZ, CUL APPRVD SC616NLR Mallory Sonalert 1: £27.69 7In Stock	Mfr. Part No. SC616NLR Mouser Part No 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	£27.69 £18.19 £17.18	Min.: 1 Mult.: 1

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