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
New
RS Stock No. 197-4164
Mfr. Part No.16070075
BrandWerma
HK$489.98
Each
units
24 V IP66 - AC, DC 2 Grey - - - - - EvoSIGNAL Mini - -
RS Stock No. 849-5318
Mfr. Part No.15300060
BrandWerma
HK$1,296.84
Each
units
115 → 230 V ac IP66 - AC 1 Black Base/Bracket Mount - - 100dB 105dB 153 85mm 85mm
RS Stock No. 655-8353
Mfr. Part No.76100055
BrandWerma
HK$6,045.81
Each
units
24 V dc IP65 105dB DC 1 Black Base Mount, Wall Mount - - - 105dB 761 178mm 207mm
New
RS Stock No. 197-4165
Mfr. Part No.16170060
BrandWerma
HK$1,000.31
Each
units
115-230 V IP66 - AC, DC 2 Grey - - - - - EvoSIGNAL Mini - -
New
RS Stock No. 197-4162
Mfr. Part No.16070060
BrandWerma
HK$542.37
Each
units
115-230 V IP66 - AC 2 Grey - - - - - EvoSIGNAL Mini - -
RS Stock No. 655-8296
Mfr. Part No.76100068
BrandWerma
HK$5,368.91
Each
units
230 V ac IP65 105dB AC 1 Black Base Mount, Wall Mount - - - 105dB 761 178mm 207mm
New
RS Stock No. 197-4166
Mfr. Part No.16170070
BrandWerma
HK$832.03
Each
units
12 V IP66 - AC, DC 10 Grey - - - - - EvoSIGNAL Midi - -
New
RS Stock No. 197-4163
Mfr. Part No.16070074
BrandWerma
HK$542.37
Each
units
12 V IP66 - AC, DC 2 Grey - - - - - EvoSIGNAL Mini - -
RS Stock No. 798-3817
Mfr. Part No.19000055
BrandWerma
HK$1,724.92
Each
units
24 V dc IP65 - DC 32 Grey Bracket 150 mm - 104dB 110dB 190 128mm -
RS Stock No. 798-3810
Mfr. Part No.19000068
BrandWerma
HK$1,776.86
Each
units
230 V ac IP65 - AC 32 Grey Bracket 150 mm - 104dB 110dB 190 128mm -
RS Stock No. 849-5314
Mfr. Part No.15300055
BrandWerma
HK$1,406.32
Each
units
24 V dc IP66 - DC 8 Black Base/Bracket Mount - - - 105dB 153 85mm 85mm