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Continuous Audio Devices

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Part #

Buzzers & Audio Indicators - Board Mount CONSTANT, 4-28VDC PC PINS, CUL APPRVD

SBM428R
Mallory Sonalert
1: £19.44
89In 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

89In Stock

£19.44

£15.07

£14.02

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V 1900HZ, CUL APPRVD

SC250DR
Mallory Sonalert
1: £37.16
135In Stock

Mfr. Part No.
SC250DR

Mouser Part No
539-SC250DR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V 1900HZ, CUL APPRVD

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Datasheet

135In Stock

£37.16

£29.72

£28.42

£26.49

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V 2900HZ, CUL APPRVD

SC250NR
Mallory Sonalert
1: £42.41
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

£42.41

£32.97

£29.78

£28.02

£27.81

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-16VDC XLOUD, CUL APPRVD

SC616NR
Mallory Sonalert
1: £18.65
418In Stock

Mfr. Part No.
SC616NR

Mouser Part No
539-SC616NR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-16VDC XLOUD, CUL APPRVD

Datasheet

418In Stock

£18.65

£14.45

£13.11

£12.28

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial MED CONTINUOUS 6-28V

SC628
Mallory Sonalert
1: £14.75
826In Stock

Mfr. Part No.
SC628

Mouser Part No
539-SC628

Mallory Sonalert

Buzzers & Audio Indicators - Industrial MED CONTINUOUS 6-28V

Datasheet

826In Stock

£14.75

£11.40

£10.34

£9.80

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial Classic Sonalert w/ Flat Blade terminals

SC628-BTR
Mallory Sonalert
1: £19.10
100In Stock

Mfr. Part No.
SC628-BTR

Mouser Part No
539-SC628-BTR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial Classic Sonalert w/ Flat Blade terminals

Datasheet

100In Stock

£19.10

£14.70

£13.01

£12.08

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial Classic Sonalert w/ Flat Blade terminals

SC628N-BTR
Mallory Sonalert
1: £18.19
124In Stock

Mfr. Part No.
SC628N-BTR

Mouser Part No
539-SC628N-BTR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial Classic Sonalert w/ Flat Blade terminals

Datasheet

124In Stock

£18.19

£16.81

£15.12

£13.82

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 2900HZ, CUL APPRVD

SC628NLR
Mallory Sonalert
1: £25.60
136In Stock

Mfr. Part No.
SC628NLR

Mouser Part No
539-SC628NLR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 2900HZ, CUL APPRVD

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Datasheet

136In Stock

£25.60

£19.74

£17.87

£16.65

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC LOUD, CUL APPRVD

SC628NR
Mallory Sonalert
1: £17.18
414In Stock

Mfr. Part No.
SC628NR

Mouser Part No
539-SC628NR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC LOUD, CUL APPRVD

Datasheet

414In Stock

£17.18

£14.16

£13.14

£11.94

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT 16-28VDC, 3KHZ, MED

SCE028MD3CTB
Mallory Sonalert
1: £19.99
556In Stock

Mfr. Part No.
SCE028MD3CTB

Mouser Part No
539-SCE028MD3CTB

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT 16-28VDC, 3KHZ, MED

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Datasheet

556In Stock

£19.99

£15.58

£14.16

£13.46

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC LOUD, CLASS I DIV II

SCH628NR
Mallory Sonalert
1: £170.15
17In Stock

Mfr. Part No.
SCH628NR

Mouser Part No
539-SCH628NR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC LOUD, CLASS I DIV II

Datasheet

17In Stock

£170.15

£151.76

£141.48

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC MED, CLASS I DIV II

SCH628R
Mallory Sonalert
1: £164.63
8In Stock

Mfr. Part No.
SCH628R

Mouser Part No
539-SCH628R

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC MED, CLASS I DIV II

Datasheet

8In Stock

£164.63

£129.27

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 4-28VDC SNAP-IN, CUL APPRVD

SNP428R
Mallory Sonalert
1: £17.47
114In Stock

Mfr. Part No.
SNP428R

Mouser Part No
539-SNP428R

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 4-28VDC SNAP-IN, CUL APPRVD

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Datasheet

114In Stock

£17.47

£13.53

£12.27

£12.06

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial 22MM 16-28ACDC 85-95DB CONT CUL ROH STK$

ZA028LACT
Mallory Sonalert
1: £38.64
45In Stock
19Expected 31/08/2026

Mfr. Part No.
ZA028LACT

Mouser Part No
539-ZA028LACT

Mallory Sonalert

Buzzers & Audio Indicators - Industrial 22MM 16-28ACDC 85-95DB CONT CUL ROH STK$

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Datasheet

45In Stock

19Expected 31/08/2026

£38.64

£30.10

£27.36

£25.50

£25.03

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial 22MM 48-120ACDC 75-85DB CON CUL ROH STK$

ZA120MACT
Mallory Sonalert
1: £35.69
81In Stock

Mfr. Part No.
ZA120MACT

Mouser Part No
539-ZA120MACT

Mallory Sonalert

Buzzers & Audio Indicators - Industrial 22MM 48-120ACDC 75-85DB CON CUL ROH STK$

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Datasheet

81In Stock

£35.69

£28.54

£25.83

£24.36

£23.79

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial ALARM+LED 120 Vac; Loud; Red; Cont.

ZT120LACTR
Mallory Sonalert
1: £47.40
38In Stock
32Expected 02/09/2026

Mfr. Part No.
ZT120LACTR

Mouser Part No
539-ZT120LACTR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial ALARM+LED 120 Vac; Loud; Red; Cont.

Learn More

Datasheet

38In Stock

32Expected 02/09/2026

£47.40

£37.99

£33.92

£31.77

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 4-7VDC 2.3KHZ, REEL

ASI301TRQ
Mallory Sonalert
1: £2.85
830In Stock

Mfr. Part No.
ASI301TRQ

Mouser Part No
539-ASI301TRQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 4-7VDC 2.3KHZ, REEL

Datasheet

830In Stock

Cut Tape

£2.85

£2.24

£2.05

£1.90

Reel

£1.75

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MouseReel Available

Min.: 1
Mult.: 1

: 250

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-20VDC 3KHZ, MED, 24X18MM

MCP320Q
Mallory Sonalert
1: £4.09
455In Stock

Mfr. Part No.
MCP320Q

Mouser Part No
539-MCP320Q

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-20VDC 3KHZ, MED, 24X18MM

Datasheet

455In Stock

£4.09

£2.88

£2.67

£2.56

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 2300HZ 2-5VDC, SEALED

PB-12N23P-03Q
Mallory Sonalert
1: £3.37
2,691In Stock
2,990Expected 16/12/2026

Mfr. Part No.
PB-12N23P-03Q

Mouser Part No
539-PB-12N23P-03Q

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 2300HZ 2-5VDC, SEALED

Datasheet

2,691In Stock

2,990Expected 16/12/2026

£3.37

£2.60

£2.23

£2.07

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 2300HZ 1.2-2.5VDC, 9X5.5MM

PB-09N23P-03Q
Mallory Sonalert
1: £1.93
1,163In Stock

Mfr. Part No.
PB-09N23P-03Q

Mouser Part No
539-PB09N23P-03Q

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 2300HZ 1.2-2.5VDC, 9X5.5MM

Datasheet

1,163In Stock

£1.93

£1.47

£1.32

£1.21

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-7VDC 3200HZ, 12x7.5MM

PB-12N32MP-05AQ
Mallory Sonalert
1: £2.84
1,763In 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

1,763In Stock

£2.84

£2.17

£1.96

£1.81

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-15VDC 4.1KHZ, 83DB, 14X8MM

PK-12N40PQ
Mallory Sonalert
1: £3.38
1,817In Stock
1,954Expected 20/10/2026

Mfr. Part No.
PK-12N40PQ

Mouser Part No
539-PK-12N40PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-15VDC 4.1KHZ, 83DB, 14X8MM

Datasheet

1,817In Stock

1,954Expected 20/10/2026

£3.38

£2.55

£2.36

£2.23

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 2.5KHZ, 95DB, 23X18

PK-20A25WQ
Mallory Sonalert
1: £4.96
1,868In 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

1,868In Stock

£4.96

£4.15

£3.82

£3.67

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 1.5-30VDC 3KHZ, 80DB, 24X9.5MM

PK-21N30PQ
Mallory Sonalert
1: £3.13
2,973In Stock

Mfr. Part No.
PK-21N30PQ

Mouser Part No
539-PK-21N30PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 1.5-30VDC 3KHZ, 80DB, 24X9.5MM

Datasheet

2,973In Stock

£3.13

£2.32

£2.16

£2.04

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial 20-28DC 96-98DB 400HZ CONT 26X15 STK $

PK-26N04W-24VQ
Mallory Sonalert
1: £6.35
320In Stock

Mfr. Part No.
PK-26N04W-24VQ

Mouser Part No
539-PK-26N04W-24VQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial 20-28DC 96-98DB 400HZ CONT 26X15 STK $

Datasheet

320In Stock

£6.35

£5.16

£4.53

£4.20

View

Min.: 1
Mult.: 1

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