PK Series Buzzers & Audio Indicators - Industrial

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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.	Product	Type	Sound Pressure Level	Tone	Frequency	Voltage Rating	Current Rating	Termination Style	Mounting Style	Dimensions	Series
Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 2.5KHZ, 90DB, 30X16 PK-27N25WQ Mallory Sonalert 1: 3,30 € 798In Stock	Mfr. Part No. PK-27N25WQ Mouser Part No 539-PK-27N25WQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 2.5KHZ, 90DB, 30X16	Datasheet	798In Stock	3,30 € 2,81 € 2,66 € 2,55 € View 2,46 € 2,38 €	Min.: 1 Mult.: 1	Indicators	Piezoelectric	90 dBA	Continuous	2.5 kHz	12 VDC	8 mA	Wire Lead	Flange Mount	30 mm x 16 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.8KHZ, 85DB, 23X18 PK-20N38WQ Mallory Sonalert 1: 3,96 € 2.190In 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	2.190In Stock	3,96 € 3,47 € 2,84 € 2,64 € View 2,62 € 2,60 € 2,24 €	Min.: 1 Mult.: 1	Indicators	Piezoelectric	85 dBA	Continuous	3.8 kHz	12 VDC	12 mA	Wire Lead	Flange Mount	23 mm x 18 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 20-28VDC 400HZ, 24X17X15MM PK-16N04WA-24Q Mallory Sonalert 1: 8,67 € 244In Stock	Mfr. Part No. PK-16N04WA-24Q Mouser Part No 539-PK16N04WA24Q	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 20-28VDC 400HZ, 24X17X15MM	Datasheet	244In Stock	8,67 € 6,67 € 6,04 € 5,60 € View 5,21 € 4,87 €	Min.: 1 Mult.: 1	Indicators	Electromechanical	85 dBA	Continuous	400 Hz	24 VDC	35 mA	Wire Lead	Flange Mount	24 mm x 17 mm x 15 mm	PK
Buzzers & Audio Indicators - Industrial 3-28VDC, Continuous 3500Hz 90dB PK-35N29ERQ Mallory Sonalert 1: 27,21 € 94In Stock	Mfr. Part No. PK-35N29ERQ Mouser Part No 539-PK-35N29ERQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial 3-28VDC, Continuous 3500Hz 90dB	Datasheet	94In Stock	27,21 € 20,79 € 18,94 € 17,66 € View 16,87 €	Min.: 1 Mult.: 1	Indicators	Piezoelectric	90 dB	Continuous	3.5 kHz	12 VDC	8 mA	Screw	Panel Mount	43 mm x 32.3 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 2.5KHZ, 95DB, 23X18 PK-20A25WQ Mallory Sonalert 1: 5,67 € 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	5,67 € 4,46 € 4,01 € 3,69 € View 3,34 € 3,17 €	Min.: 1 Mult.: 1	Indicators	Piezoelectric	95 dBA	Continuous	2.5 kHz	12 VDC	25 mA	Wire Lead	Flange Mount	23 mm x 18 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 28X25 PK-20A35EWQ Mallory Sonalert 1: 4,81 € 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	4,81 € 3,53 € 3,27 € 3,03 € View 2,86 € 2,60 € 2,55 €	Min.: 1 Mult.: 1	Alarms	Piezoelectric	95 dBA	Continuous	3.5 kHz	12 VDC	10 mA	Wire Lead	Flange Mount	28 mm x 25 mm	PK
Buzzers & Audio Indicators - Industrial Audible Alarm PK-20A35EW-24VQ Mallory Sonalert 1: 5,23 € 317In Stock	Mfr. Part No. PK-20A35EW-24VQ Mouser Part No 539-PK-20A35EW-24VQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial Audible Alarm	Datasheet	317In Stock	5,23 € 4,00 € 3,61 € 3,35 € View 3,11 € 2,98 €	Min.: 1 Mult.: 1	Alarms	Piezoelectric	101 dBA	Continuous	3.5 kHz	24 VDC	20 mA	Wire Lead	Flange Mount	28 mm x 25 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 2.5KHZ, 90DB, 30X10 PK-27N26WQ Mallory Sonalert 1: 4,98 € 277In Stock 893Expected 10/29/2026	Mfr. Part No. PK-27N26WQ Mouser Part No 539-PK-27N26WQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 2.5KHZ, 90DB, 30X10	Datasheet	277In Stock 893Expected 10/29/2026	4,98 € 4,06 € 3,72 € 3,49 € View 3,14 € 2,98 € 2,83 €	Min.: 1 Mult.: 1	Indicators	Piezoelectric	90 dBA	Continuous	2.5 kHz	12 VDC	15 mA	Wire Lead	Flange Mount	30 mm x 10 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 2-28VDC 3.5KHZ, 90DB, 37X24 PK-27N35EPQ Mallory Sonalert 1: 9,07 € 55In Stock	Mfr. Part No. PK-27N35EPQ Mouser Part No 539-PK-27N35EPQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 2-28VDC 3.5KHZ, 90DB, 37X24	Datasheet	55In Stock	9,07 € 7,37 € 6,54 € 6,06 € View 5,62 € 5,58 €	Min.: 1 Mult.: 1	Alarms	Piezoelectric	99 dBA	Continuous	3.5 kHz	12 VDC	15 mA	Solder Lug	Flush Mount	36.5 mm x 23.5 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 2.9KHZ, 95DB, 42X16 PK-35A29WQ Mallory Sonalert 1: 6,48 € 45In Stock	Mfr. Part No. PK-35A29WQ Mouser Part No 539-PK-35A29WQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 2.9KHZ, 95DB, 42X16	Datasheet	45In Stock	6,48 € 5,01 € 4,54 € 4,21 € View 3,99 € 3,70 €	Min.: 1 Mult.: 1	Indicators	Piezoelectric	95 dB	Continuous	2.9 kHz	24 VDC	10 mA	Wire Lead	Flange Mount	42 mm x 16 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 8-16VDC 400HZ, 24X17X15MM PK-16N04WA-12Q Mallory Sonalert 1: 8,09 € 17In Stock	Mfr. Part No. PK-16N04WA-12Q Mouser Part No 539-PK16N04WA12Q	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 8-16VDC 400HZ, 24X17X15MM	Datasheet	17In Stock	8,09 € 6,27 € 4,60 €	Min.: 1 Mult.: 1	Indicators	Electromechanical	85 dBA	Continuous	400 Hz	12 VDC	35 mA	Wire Lead	Flange Mount	24 mm x 17 mm x 15 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.8KHZ, 95DB, 23X18 PK-20A38WQ Mallory Sonalert 1: 5,66 € 6In Stock	Mfr. Part No. PK-20A38WQ Mouser Part No 539-PK20A38WQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.8KHZ, 95DB, 23X18	Datasheet	6In Stock	5,66 € 4,63 € 3,98 € 3,70 € View 3,46 € 3,25 € 3,14 € 2,91 €	Min.: 1 Mult.: 1	Indicators	Piezoelectric	95 dBA	Continuous	3.8 kHz	12 VDC	12 mA	Wire Lead	Flange Mount	23 mm x 18 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 1.5-30VDC 3KHZ, 85DB, 24X9.5MM PK-21N30WQ Mallory Sonalert 1: 4,17 € 280In Stock 971Expected 12/30/2026	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	280In Stock 971Expected 12/30/2026	4,17 € 3,56 € 3,22 € 2,98 € View 2,61 € 2,46 €	Min.: 1 Mult.: 1	Indicators	Piezoelectric	80 dBA	Continuous	3 kHz	12 VDC	12 mA	Wire Lead	Flange Mount	24 mm x 9.5 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 4-8VDC 450HZ, 85DB, BUZZER PK-26N04P-06AQ Mallory Sonalert 1: 8,89 € 21In Stock	Mfr. Part No. PK-26N04P-06AQ Mouser Part No 539-PK26N04P06AQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 4-8VDC 450HZ, 85DB, BUZZER	Datasheet	21In Stock	8,89 € 6,88 € 6,24 € 5,88 € View 5,47 € 5,26 €	Min.: 1 Mult.: 1	Indicators	Electromechanical	95 dBA	Continuous	450 Hz	6 VDC	40 mA	Solder Pin	Flange Mount	26 mm x 26 mm x 19.5 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 37X24 PK-27A35EPQ Mallory Sonalert 1: 9,67 € 90In Stock 631On Order	Mfr. Part No. PK-27A35EPQ Mouser Part No 539-PK27A35EPQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 37X24	Datasheet	90In Stock 631On Order On Order Ship Dates Mfr. No: PK-27A35EPQ Stock: 90 Can Dispatch Immediately On Order: 461 Expected 12/30/2026 170 Expected 1/6/2027 Factory Lead Time: 25 Weeks	9,67 € 7,91 € 6,97 € 6,45 € View 6,09 € 5,99 € 5,97 € 5,44 €	Min.: 1 Mult.: 1	Alarms	Piezoelectric	95 dBA	Continuous	3.5 kHz	12 VDC	15 mA	Solder Lug	Panel Mount	36.5 mm x 23.5 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 37X24 PK-27A35ERQ Mallory Sonalert 1: 10,03 € 21In Stock 25Expected 11/3/2026	Mfr. Part No. PK-27A35ERQ Mouser Part No 539-PK27A35ERQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 37X24	Datasheet	21In Stock 25Expected 11/3/2026	10,03 € 9,26 € 8,39 € 6,48 € View 6,04 € 5,87 €	Min.: 1 Mult.: 1	Alarms	Piezoelectric	95 dBA	Continuous	3.5 kHz	12 VDC	15 mA	Screw	Panel Mount	36.5 mm x 23.5 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X16 PK-27N35WQ Mallory Sonalert 1: 4,80 € 29In Stock	Mfr. Part No. PK-27N35WQ Mouser Part No 539-PK27N35WQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X16	Datasheet	29In Stock	4,80 € 3,84 € 3,47 € 3,15 € View 2,92 € 2,66 € 2,61 €	Min.: 1 Mult.: 1	Indicators	Piezoelectric	90 dBA	Continuous	3.5 kHz	12 VDC	15 mA	Wire Lead	Flange Mount	30 mm x 16 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X10 PK-27N36WQ Mallory Sonalert 1: 4,89 € 393In Stock	Mfr. Part No. PK-27N36WQ Mouser Part No 539-PK27N36WQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X10	Datasheet	393In Stock	4,89 € 3,99 € 3,67 € 3,37 € View 3,04 € 2,89 € 2,79 €	Min.: 1 Mult.: 1	Indicators	Piezoelectric	90 dBA	Continuous	3.5 kHz	12 VDC	15 mA	Wire Lead	Flange Mount	30 mm x 10 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 2.9KHZ, 90DB, 42X16 PK-35N29WQ Mallory Sonalert 1: 5,71 € 200In Stock	Mfr. Part No. PK-35N29WQ Mouser Part No 539-PK35N29WQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 2.9KHZ, 90DB, 42X16	Datasheet	200In Stock	5,71 € 4,94 € 4,30 € 4,09 € View 3,85 € 3,21 €	Min.: 1 Mult.: 1	Indicators	Piezoelectric	90 dB	Continuous	2.9 kHz	12 VDC	10 mA	Wire Lead	Flange Mount	42 mm x 16 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 2-4VDC 400HZ, 24X17X15MM PK-16N04WA-03Q Mallory Sonalert 1: 7,64 € 20Expected 12/23/2026	Mfr. Part No. PK-16N04WA-03Q Mouser Part No 539-PK16N04WA-03Q	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 2-4VDC 400HZ, 24X17X15MM	Datasheet	20Expected 12/23/2026	7,64 € 6,74 € 6,09 € 5,74 € View 5,51 € 4,64 €	Min.: 1 Mult.: 1	Buzzers		82 dBA	Continuous	4 kHz	3 V	30 mA		Flush Mount	23 mm L x 16 mm W x 16 mm H	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 1-2VDC 400HZ, 24X17X15MM PK-16N04WA-01Q Mallory Sonalert 1: 10,42 € Non-Stocked Lead-Time 25 Weeks	Mfr. Part No. PK-16N04WA-01Q Mouser Part No 539-PK-16N04WA-01Q	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 1-2VDC 400HZ, 24X17X15MM	Datasheet	Non-Stocked Lead-Time 25 Weeks	10,42 € 9,20 € 8,50 € 8,09 € View 7,24 € 7,23 € 7,17 €	Min.: 1 Mult.: 1	Buzzers		80 dBA	Continuous	4 kHz	1.5 V	25 mA			24 mm L x 16 mm W x 15 mm H	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 2.5KHZ, 95DB, 30X16 PK-27A25WQ Mallory Sonalert 1: 5,75 € Non-Stocked Lead-Time 25 Weeks	Mfr. Part No. PK-27A25WQ Mouser Part No 539-PK-27A25WQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 2.5KHZ, 95DB, 30X16	Datasheet	Non-Stocked Lead-Time 25 Weeks	5,75 € 5,01 € 4,52 € 4,34 € View 3,71 € 3,60 € 3,42 €	Min.: 1 Mult.: 1	Buzzers		95 dBA	Continuous	2.5 kHz	12 V	10 mA	Wire Lead	Flush Mount	30 mm L x 30 mm W x 16 mm H	PK
Buzzers & Audio Indicators - Industrial 9-48VDC, Continuous Flange,200Hz 94dB PK-27A29ERB481Q Mallory Sonalert 1: 9,06 € Non-Stocked	Mfr. Part No. PK-27A29ERB481Q Mouser Part No 539-PK-27A29ERB481Q	Mallory Sonalert	Buzzers & Audio Indicators - Industrial 9-48VDC, Continuous Flange,200Hz 94dB	Datasheet	Non-Stocked	9,06 € 7,11 € 6,59 € 6,13 € 5,92 €	Min.: 1 Mult.: 1	Indicators	Piezoelectric	94 dBA	Continuous	2 kHz	48 VDC	25 mA	Solder Lug	Flange Mount	36 mm x 31 mm	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 4-8VDC 400HZ, 24X17X15MM PK-16N04WA-06Q Mallory Sonalert 1: 11,33 € Non-Stocked Lead-Time 25 Weeks	Mfr. Part No. PK-16N04WA-06Q Mouser Part No 539-PK16N04WA-06Q	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 4-8VDC 400HZ, 24X17X15MM	Datasheet	Non-Stocked Lead-Time 25 Weeks	11,33 € 10,07 € 7,84 € 7,27 € View 7,05 € 5,32 €	Min.: 1 Mult.: 1	Buzzers		85 dBA	Continuous	4 kHz	6 V	30 mA		Flush Mount	24 mm L x 16 mm W x 15 mm H	PK
Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3KHZ, 85DB, 24X14 PK-21A29WQ Mallory Sonalert 1: 5,41 € Non-Stocked	Mfr. Part No. PK-21A29WQ Mouser Part No 539-PK21A29WQ	Mallory Sonalert	Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3KHZ, 85DB, 24X14	Datasheet	Non-Stocked	5,41 € 3,96 € 3,07 € 2,80 € View 2,61 € 2,51 €	Min.: 1 Mult.: 1	Indicators		83 dBA	Continuous	3 kHz	12 V	18 mA	Wire Lead	Flush Mount	24 mm L x 24 mm W x 14 mm H	PK

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