Electronic Sounders

Electronic sounders are audio signalling devices for use with intruder, fire alarm and industrial signalling systems.

How do electronic sounders work?

An electronic sounder is connected to an alarm circuit, forming an integral part of the system. At the heart of the circuit is a thermistor (temperature sensitive resistor) that will trigger the sounder in case of, say, a fire or smoke.

Electronic sounders will usually be mounted on a wall within open areas or passages and corridors. They are manufactured from tough housing material such as plastic, polycarbonate and stainless steel to provide high levels of durability and resistance to environmental conditions.

Most electronic sounders can be set to different frequencies and tones and are compatible with majority of emergency and fire signalling tones used throughout the world. A volume control inside the unit, when fitted, enables you to select the maximum sound output to suit the installed environment.

What are electronic sounders used for?

Electronic sounders are designed to meet a broad range of alarm applications where distinctive warnings must be given for emergencies such as fires.


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Description Price Supply Voltage IP Rating Decibels at 1 Metre Current Type Number Of Tones Housing Colour Mounting Style Diameter Application Type Minimum Decibel Maximum Decibel Series Base Length Base Width
RS Stock No. 669-5418
Mfr. Part No.VSO-32
HK$238.96
Each
units
18 30 V dc IP21C 87 93dB DC 32 White Platform 116 mm Smoke Detectors 87dB 93dB VSO - -
RS Stock No. 248-7140
Mfr. Part No.505-027
HK$263.30
Each
units
8 35 V dc IP65 103dB DC 32 Red Surface Mount 105 mm - - - VPR-MT - -
RS Stock No. 489-4944
Mfr. Part No.PSS-0020
BrandKlaxon
HK$307.73
Each
units
9 60 V dc IP65 106dB DC 32 Red Surface Mount 98 mm Fire & Security - - Sonos - -
RS Stock No. 235-360
BrandRS PRO
HK$408.97
Each
units
12 80 V dc - 107dB DC 1 Black Universal - On/Off Road Vehicles - 107dB - 102mm 41mm
RS Stock No. 667-4073
Mfr. Part No.BEXDS110D24DC
Brande2s
HK$5,542.11
Each
units
24 V dc IP67 117dB DC 32 Red Surface Mount 181 mm Hazardous Area 72dB 110dB BEXDS - -
RS Stock No. 529-4367
Mfr. Part No.AS/S/024/R/120
BrandFulleon
HK$2,513.02
Each
units
18 28 V dc IP66 120dB DC 42 Red Surface Mount - - - - Asserta Maxi 168mm 168mm
RS Stock No. 489-5010
Mfr. Part No.PSS-0039
BrandKlaxon
HK$275.59
Each
units
8 35 V dc IP65 106dB DC 32 White Surface Mount 100 mm Fire & Security - - Sonos - -
RS Stock No. 539-4669
Mfr. Part No.PNS-0011
BrandKlaxon
HK$2,790.22
Each
units
110 V ac, 230 V ac IP66 120dB AC 50 Red Surface Mount - - - - Nexus 120 166.3mm 166.3mm
RS Stock No. 615-7203
Mfr. Part No.E2XS112EG230AC
Brande2s
HK$3,909.28
Each
units
230 V ac IP66, IP67 116dB AC 45 Black Surface Mount 181 mm Hazardous Area 105dB 113dB E2XS112E - -
RS Stock No. 617-3744
Mfr. Part No.SONF1AC230R
Brande2s
HK$606.21
Each
units
230 V ac IP66 100dB AC 10 Red Surface Mount - Fire & Security - - Sonora 86mm 86mm
RS Stock No. 181-4528
Mfr. Part No.874270408
HK$1,424.26
Each
units
21 53 V ac, 21 60 V dc IP66 - AC, DC 32 Red Bottom Mount, Horizontal Mount - - - - ASM 132mm 133mm
RS Stock No. 181-4526
Mfr. Part No.874170408
HK$1,051.42
Each
units
21 53 V ac, 21 60 V dc IP66 - AC, DC 32 Red Bottom Mount, Horizontal Mount - - - - ASS-T 94mm 94mm
New
RS Stock No. 197-4613
Mfr. Part No.CN41/D/RN
HK$376.95
Each
units
10V DC 30 V DC V IP65 104dB DC 1 Red - - - - - CN41 - -
RS Stock No. 667-4070
Mfr. Part No.BEXDS120D24DC-IECEX
Brande2s
HK$8,738.10
Each
units
24 V dc IP67 121dB DC 32 Red Surface Mount 220 mm Hazardous Area 108dB 117dB BEXDS - -
RS Stock No. 539-4697
Mfr. Part No.18-980554
BrandKlaxon
HK$1,060.26
Each
units
10 60 V dc IP66 110dB DC 64 Red Surface Mount - - - - Nexus 110 166.3mm 166.3mm
RS Stock No. 237-8888
Mfr. Part No.MA121AC230G
Brande2s
HK$3,050.33
Each
units
230 V ac IP55 126dB AC 32 Grey Surface Mount 220 mm Fire & Security 112dB 121dB Marine - -
RS Stock No. 181-4529
Mfr. Part No.874270313
HK$1,807.24
Each
units
95 265 V ac IP66 - AC 32 Red Bottom Mount, Horizontal Mount - - - - ASM 132mm 133mm
RS Stock No. 244-7861
Mfr. Part No.T105 12-24Vcc
BrandAE & T
HK$1,862.09
Each
units
12 V ac/dc, 24 V ac/dc, 48 V ac/dc IP55 112dB AC, DC 32 Red Surface Mount - - - 112dB T105N 130mm 130mm
New
RS Stock No. 197-4619
Mfr. Part No.YA50/L/RF/WR
HK$1,212.07
Each
units
115 V AC IP65 110dB AC, DC 32 Red - - - - - YA50 - -
RS Stock No. 180-749
Mfr. Part No.SQG3/W
BrandFulleon
HK$291.84
Each
units
18 28 V dc IP21C 90dB DC 5 White Platform 114 mm - - - Squashni G3 - -
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