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Part #

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.8KHZ, 85DB, 23X18

PK-20N38WQ
Mallory Sonalert
1: £3.75
2,623In Stock

Mfr. Part No.
PK-20N38WQ

Mouser Part No
539-PK-20N38WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.8KHZ, 85DB, 23X18

Datasheet

2,623In Stock

£3.75

£3.10

£2.57

£2.46

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 3KHZ, 85DB, 24X14MM

PK-21A31PQ
Mallory Sonalert
1: £3.25
431In Stock

Mfr. Part No.
PK-21A31PQ

Mouser Part No
539-PK-21A31PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 3KHZ, 85DB, 24X14MM

Datasheet

431In Stock

£3.25

£2.89

£2.64

Min.: 1
Mult.: 1

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

PK-21N30PQ
Mallory Sonalert
1: £3.39
3,572In 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

3,572In Stock

£3.39

£2.28

£2.09

£1.99

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Min.: 1
Mult.: 1

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

PK-26N04W-24VQ
Mallory Sonalert
1: £6.21
469In 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

469In Stock

£6.21

£4.81

£4.30

£3.96

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-15VDC 4.1KHZ, SEALED

PK-12N40PEQ
Mallory Sonalert
1: £3.08
677In Stock
1,000Expected 29/06/2026

Mfr. Part No.
PK-12N40PEQ

Mouser Part No
539-PK12N40PEQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-15VDC 4.1KHZ, SEALED

Datasheet

677In Stock

1,000Expected 29/06/2026

£3.08

£2.50

£2.33

£2.06

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Min.: 1
Mult.: 1

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

PK-20A25PQ
Mallory Sonalert
1: £3.83
1,394In Stock
1,009Expected 29/04/2026

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

1,394In Stock

1,009Expected 29/04/2026

£3.83

£3.12

£2.72

£2.53

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 28X25

PK-20A35EWQ
Mallory Sonalert
1: £3.89
1,017In 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

1,017In Stock

£3.89

£3.02

£2.81

£2.62

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 3.8KHZ, 95DB, 23X18

PK-20A38PQ
Mallory Sonalert
1: £3.56
1,556In Stock

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

1,556In Stock

£3.56

£2.79

£2.55

£2.38

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 1.5-30VDC 3KHZ, 85DB, 24X9.5MM

PK-21N30WQ
Mallory Sonalert
1: £3.35
881In Stock

Mfr. Part No.
PK-21N30WQ

Mouser Part No
539-PK21N30WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 1.5-30VDC 3KHZ, 85DB, 24X9.5MM

Datasheet

881In Stock

£3.35

£2.74

£2.50

£2.33

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount SLOW PULSE, 3-24VDC 3KHZ, 85DB, 24X14MM

PL-21A31PQ
Mallory Sonalert
1: £12.09
206In Stock

Mfr. Part No.
PL-21A31PQ

Mouser Part No
539-PL21A31PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount SLOW PULSE, 3-24VDC 3KHZ, 85DB, 24X14MM

Datasheet

206In Stock

£12.09

£9.04

£8.53

£7.82

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial SIREN, 5-15VDC 105DB, PC PINS

PS-953Q
Mallory Sonalert
1: £8.07
236In Stock

Mfr. Part No.
PS-953Q

Mouser Part No
539-PS-953Q

Mallory Sonalert

Buzzers & Audio Indicators - Industrial SIREN, 5-15VDC 105DB, PC PINS

Datasheet

236In Stock

£8.07

£7.23

£6.73

£6.70

£6.10

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount XDUCR, PIEZO, 4KHZ 80DB, PC PINS, 17X9

PT-1540PQ
Mallory Sonalert
1: £1.18
3,920In Stock

Mfr. Part No.
PT-1540PQ

Mouser Part No
539-PT-1540PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount XDUCR, PIEZO, 4KHZ 80DB, PC PINS, 17X9

Datasheet

3,920In Stock

£1.18

£0.943

£0.856

£0.796

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount XDUCR, PIEZO, 4KHZ 90DB, PC PINS, 22X9

PT-2040PQ
Mallory Sonalert
1: £0.849
3,675In Stock
5,270Expected 27/05/2026

Mfr. Part No.
PT-2040PQ

Mouser Part No
539-PT2040PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount XDUCR, PIEZO, 4KHZ 90DB, PC PINS, 22X9

Datasheet

3,675In Stock

5,270Expected 27/05/2026

£0.849

£0.727

£0.691

£0.67

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount XDUCR, PIEZO, 2.6KHZ 90DB, PC PINS, 30X10

PT-2726PQ
Mallory Sonalert
1: £2.07
976In Stock

Mfr. Part No.
PT-2726PQ

Mouser Part No
539-PT2726PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount XDUCR, PIEZO, 2.6KHZ 90DB, PC PINS, 30X10

Datasheet

976In Stock

£2.07

£1.62

£1.47

£1.29

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount XDUCR, PIEZO, 3.4KHZ 105DB, 3TERMS, 39X20

PT-3534FPQ
Mallory Sonalert
1: £2.33
1,305In Stock

Mfr. Part No.
PT-3534FPQ

Mouser Part No
539-PT3534FPQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount XDUCR, PIEZO, 3.4KHZ 105DB, 3TERMS, 39X20

Datasheet

1,305In Stock

£2.33

£1.96

£1.75

£1.60

£1.45

Min.: 1
Mult.: 1

Speakers & Transducers IEC MTD SPEAKER 8OHM 100DB 325FREQ PC

SBS300PC
Mallory Sonalert
1: £17.63
108In Stock

Mfr. Part No.
SBS300PC

Mouser Part No
539-SBS300PC

Mallory Sonalert

Speakers & Transducers IEC MTD SPEAKER 8OHM 100DB 325FREQ PC

Learn More

Datasheet

108In Stock

£17.63

£13.78

£12.66

£12.41

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial MED CONT 30-120V

SC110
Mallory Sonalert
1: £38.19
133In Stock

Mfr. Part No.
SC110

Mouser Part No
539-SC110

Mallory Sonalert

Buzzers & Audio Indicators - Industrial MED CONT 30-120V

Datasheet

133In Stock

£38.19

£29.42

£26.98

£26.95

£26.28

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial LOUD CONT 30-120V

SC110N
Mallory Sonalert
1: £45.30
98In Stock

Mfr. Part No.
SC110N

Mouser Part No
539-SC110N

Mallory Sonalert

Buzzers & Audio Indicators - Industrial LOUD CONT 30-120V

Datasheet

98In Stock

£45.30

£39.77

£38.72

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial LOUD CONT 6-28V

SC628AN
Mallory Sonalert
1: £34.05
103In Stock

Mfr. Part No.
SC628AN

Mouser Part No
539-SC628AN

Mallory Sonalert

Buzzers & Audio Indicators - Industrial LOUD CONT 6-28V

Datasheet

103In Stock

£34.05

£28.46

£28.38

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial SONALERT 6-28V

SC628ANP
Mallory Sonalert
1: £44.92
110In Stock

Mfr. Part No.
SC628ANP

Mouser Part No
539-SC628ANP

Mallory Sonalert

Buzzers & Audio Indicators - Industrial SONALERT 6-28V

Datasheet

110In Stock

£44.92

£37.83

Min.: 1
Mult.: 1

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

SC628D
Mallory Sonalert
1: £20.19
67In Stock

Mfr. Part No.
SC628D

Mouser Part No
539-SC628D

Mallory Sonalert

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

Datasheet

67In Stock

£20.19

£16.34

£15.06

£14.67

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 1900HZ, SOFT

SC628E
Mallory Sonalert
1: £22.08
75In Stock

Mfr. Part No.
SC628E

Mouser Part No
539-SC628E

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 1900HZ, SOFT

Datasheet

75In Stock

£22.08

£18.07

£16.26

£15.05

£14.57

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial SLOW MED INTER 6-28V

SC628J
Mallory Sonalert
1: £28.06
71In Stock

Mfr. Part No.
SC628J

Mouser Part No
539-SC628J

Mallory Sonalert

Buzzers & Audio Indicators - Industrial SLOW MED INTER 6-28V

Datasheet

71In Stock

£28.06

£25.02

£22.88

£21.67

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial FAST MED INTER 6-28V

SC628P
Mallory Sonalert
1: £26.16
51In Stock

Mfr. Part No.
SC628P

Mouser Part No
539-SC628P

Mallory Sonalert

Buzzers & Audio Indicators - Industrial FAST MED INTER 6-28V

Datasheet

51In Stock

£26.16

£21.57

Min.: 1
Mult.: 1

Mounting Fixings ACCESSORY-SC SERIES MOUNTING BRACKET

ACC01
Mallory Sonalert
1: £8.03
42In Stock

Mfr. Part No.
ACC01

Mouser Part No
539-ACC01

Mallory Sonalert

Mounting Fixings ACCESSORY-SC SERIES MOUNTING BRACKET

Datasheet

42In Stock

£8.03

£6.31

£6.27

£6.23

View

Min.: 1
Mult.: 1

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