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. 623-6693
Mfr. Part No.VTB32-DB-WB/BL
£51.56
Each
Units
15 30 V dc IP65 86 106dB DC 32 - Surface Mount - - 86dB 106dB Combi 32 93mm 101.6mm
RS Stock No. 248-7178
Mfr. Part No.505-030
£21.42
Each
Units
8 35 V dc IP65 103dB DC 32 White Surface Mount 105 mm - - - VPR-MT - -
RS Stock No. 329-6771
Mfr. Part No.VPRMT32W230
£49.74
Each
Units
110 V ac, 230 V ac IP65 107dB AC 32 White Surface Mount 105 mm Non-Industrial - - VPR-MT - -
RS Stock No. 123-4539
Mfr. Part No.VPR-4T-R
£20.77
Each
Units
20 35 V dc IP33C - DC 4 Red Base Mount 105 mm - - 104.6dB VPR 41mm 101 (Dia.)mm
RS Stock No. 669-5418
Mfr. Part No.VSO-32
£18.85
Each
Units
18 30 V dc IP21C 87 93dB DC 32 White Platform 116 mm Smoke Detectors 87dB 93dB VSO - -
RS Stock No. 615-6828
Mfr. Part No.VTG-32E-SB-R
£23.37
Each
Units
21.6 28 V dc IP21C 86 106dB DC 32 Red Surface Mount 94 mm - 86dB 106dB Vantage - -
RS Stock No. 615-6834
Mfr. Part No.VTG-32E-DB-R
£23.64
Each
Units
21.6 28 V dc IP33C 86 106dB DC 32 Red Surface Mount 93 mm - 86dB 106dB Vantage - -
RS Stock No. 248-7140
Mfr. Part No.505-027
£21.42
Each
Units
20 35 V dc IP65 103dB DC 32 Red Surface Mount 105 mm - - - VPR-MT - -
RS Stock No. 123-4540
Mfr. Part No.VPR-4T-W
£20.77
Each
Units
20 35 V dc IP33C - DC 4 White Base Mount 105 mm - - 103.2dB VPR 41mm 101 (Dia.)mm
RS Stock No. 615-6856
Mfr. Part No.VTG-32E-DB-W
£23.64
Each
Units
21.6 28 V dc IP33C 86 106dB DC 32 White Surface Mount 93 mm - 86dB 106dB Vantage - -
RS Stock No. 615-6840
Mfr. Part No.VTG-32E-SB-W
£23.37
Each
Units
21.6 28 V dc IP21C 86 106dB DC 32 White Surface Mount 94 mm - 86dB 106dB Vantage - -
RS Stock No. 360-1331
Mfr. Part No.504-010
£34.36
Each
Units
8 35 V dc IP42 97dB DC 4 Red Wall Mount - - - 97dB Vara 86mm 86mm