Signal Tower Components

Signal tower components, often known as click-together beacon lamps, are used on different devices and machinery for drawing attention to warning messages and fault conditions by providing a signal / visual alarm.

How do signal towers work?

Signal tower components are used in a wide-range of applications to achieve multi-status signalling. They are commonly used by mounting together to make a tower of up to six modules high. These towers can be used as single indicators or used as sounder modules.

Different components of a signal tower

Every tower beacon consists of the following essential components:

Base units

The signal base unit is the bottom area of the signal tower. This part has a terminal block for installation, wiring, top cover and gasket in order to support the whole tower construction.

Light modules

Light modules come in different colours for different types of lamps or light modules, including LED, strobes, and incandescent lamps and send out a warning signal.

Audible Alarm Modules

Audible alarm modules are attached to the top area of a completed tower unit. These audible alarms act as a warning/ alert signal to users.


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Description Price Range Series Component Type Current Type Multifunction Light Effect Lens Colour Bulb Type Lamp Included Supply Voltage Minimum Decibel Height Maximum Decibel Base Diameter
RS Stock No. 772-0903
Mfr. Part No.ST-L101HAC230G
Brande2s
£49.90
Each
Units
Sonora ST Beacon AC Yes Flashing, Steady Green LED Yes 230 V ac - 86mm - -
RS Stock No. 772-0827
Mfr. Part No.STB2DCG
Brande2s
£42.81
Each
Units
Sonora STB Signal Tower DC - - - - - 24 V dc - 262.5mm - -
RS Stock No. 772-0883
Mfr. Part No.ST-L101HDC24A1A
Brande2s
£49.90
Each
Units
Sonora ST Beacon DC Yes Flashing, Steady Amber LED Yes 24 V dc - 86mm - -
RS Stock No. 772-0893
Mfr. Part No.ST-L101HDC24A1G
Brande2s
£49.90
Each
Units
Sonora ST Beacon DC Yes Flashing, Steady Green LED Yes 24 V dc - 86mm - -
RS Stock No. 772-0887
Mfr. Part No.ST-L101HAC230A
Brande2s
£49.90
Each
Units
Sonora ST Beacon AC Yes Flashing, Steady Amber LED Yes 230 V ac - 86mm - -
RS Stock No. 772-0871
Mfr. Part No.ST-L101HDC24A1R
Brande2s
£49.90
Each
Units
Sonora ST Beacon DC Yes Flashing, Steady Red LED Yes 24 V dc - 86mm - -
RS Stock No. 772-0880
Mfr. Part No.ST-L101HAC230R
Brande2s
£49.90
Each
Units
Sonora ST Beacon AC Yes Flashing, Steady Red LED Yes 230 V ac - 86mm - -
RS Stock No. 772-0821
Mfr. Part No.STB2ACG
Brande2s
£42.81
Each
Units
Sonora STB Signal Tower AC - - - - - 230 V ac - 262.5mm - -
RS Stock No. 772-0837
Mfr. Part No.STA2DC024G
Brande2s
£69.40
Each
Units
Sonora STA Signal Tower DC Yes - - - - 24 V dc 95dB 350.5mm 100dB -
RS Stock No. 772-0855
Mfr. Part No.ST-L101XAC230R
Brande2s
£49.90
Each
Units
Sonora ST Beacon AC - Flashing Red Xenon Yes 230 V ac - 86mm - -
RS Stock No. 772-0865
Mfr. Part No.ST-L101XAC230B
Brande2s
£49.90
Each
Units
Sonora ST Beacon AC - Flashing Blue Xenon Yes 230 V ac - 86mm - -
RS Stock No. 772-0852
Mfr. Part No.ST-L101XDC024R
Brande2s
£49.90
Each
Units
Sonora ST Beacon DC - Flashing Red Xenon Yes 24 V dc - 86mm - -
RS Stock No. 772-0849
Mfr. Part No.STA3DC024G
Brande2s
£79.14
Each
Units
Sonora STA Signal Tower DC Yes - - - - 24 V dc 95dB 439.5mm 100dB -
RS Stock No. 772-0861
Mfr. Part No.ST-L101XDC024B
Brande2s
£49.90
Each
Units
Sonora ST Beacon DC - Flashing Blue Xenon Yes 24 V dc - 86mm - -
RS Stock No. 772-0896
Mfr. Part No.ST-L101HDC24A1B
Brande2s
£49.90
Each
Units
Sonora ST Beacon DC Yes Flashing, Steady Blue LED Yes 24 V dc - 86mm - -
RS Stock No. 772-0830
Mfr. Part No.STB3DCG
Brande2s
£52.05
Each
Units
Sonora STB Signal Tower DC - - - - - 24 V dc - 351.5mm - -
RS Stock No. 772-0859
Mfr. Part No.ST-L101XDC024A
Brande2s
£49.90
Each
Units
Sonora ST Beacon DC - Flashing Amber Xenon Yes 24 V dc - 86mm - -
RS Stock No. 772-0868
Mfr. Part No.ST-L101XAC230A
Brande2s
£49.90
Each
Units
Sonora ST Beacon AC - Flashing Amber Xenon Yes 230 V ac - 86mm - -
RS Stock No. 772-0874
Mfr. Part No.ST-L101XDC024G
Brande2s
£49.90
Each
Units
Sonora ST Beacon DC - Flashing Green Xenon Yes 24 V dc - 86mm - -