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 Multifunction Current Type Light Effect Lens Colour Lamp Included Bulb Type Supply Voltage Minimum Decibel Maximum Decibel Height Base Diameter
RS Stock No. 772-0883
Mfr. Part No.ST-L101HDC24A1A
Brande2s
$136.91
Each
units
Sonora ST Beacon Yes DC Flashing, Steady Amber Yes LED 24 V dc - - 86mm -
RS Stock No. 772-0859
Mfr. Part No.ST-L101XDC024A
Brande2s
$129.88
Each
units
Sonora ST Beacon - DC Flashing Amber Yes Xenon 24 V dc - - 86mm -
RS Stock No. 772-0852
Mfr. Part No.ST-L101XDC024R
Brande2s
$148.75
Each
units
Sonora ST Beacon - DC Flashing Red Yes Xenon 24 V dc - - 86mm -
RS Stock No. 772-0830
Mfr. Part No.STB3DCG
Brande2s
$140.14
Each
units
Sonora STB Signal Tower - DC - - - - 24 V dc - - 351.5mm -
RS Stock No. 772-0871
Mfr. Part No.ST-L101HDC24A1R
Brande2s
$154.30
Each
units
Sonora ST Beacon Yes DC Flashing, Steady Red Yes LED 24 V dc - - 86mm -
RS Stock No. 772-0861
Mfr. Part No.ST-L101XDC024B
Brande2s
$107.68
Each
units
Sonora ST Beacon - DC Flashing Blue Yes Xenon 24 V dc - - 86mm -
RS Stock No. 772-0887
Mfr. Part No.ST-L101HAC230A
Brande2s
$173.32
Each
units
Sonora ST Beacon Yes AC Flashing, Steady Amber Yes LED 230 V ac - - 86mm -
RS Stock No. 772-0893
Mfr. Part No.ST-L101HDC24A1G
Brande2s
$134.82
Each
units
Sonora ST Beacon Yes DC Flashing, Steady Green Yes LED 24 V dc - - 86mm -
RS Stock No. 772-0874
Mfr. Part No.ST-L101XDC024G
Brande2s
$107.68
Each
units
Sonora ST Beacon - DC Flashing Green Yes Xenon 24 V dc - - 86mm -
RS Stock No. 772-0865
Mfr. Part No.ST-L101XAC230B
Brande2s
$107.68
Each
units
Sonora ST Beacon - AC Flashing Blue Yes Xenon 230 V ac - - 86mm -
RS Stock No. 772-0896
Mfr. Part No.ST-L101HDC24A1B
Brande2s
$107.68
Each
units
Sonora ST Beacon Yes DC Flashing, Steady Blue Yes LED 24 V dc - - 86mm -
RS Stock No. 772-0868
Mfr. Part No.ST-L101XAC230A
Brande2s
$96.84
Each
units
Sonora ST Beacon - AC Flashing Amber Yes Xenon 230 V ac - - 86mm -
RS Stock No. 772-0827
Mfr. Part No.STB2DCG
Brande2s
$121.59
Each
units
Sonora STB Signal Tower - DC - - - - 24 V dc - - 262.5mm -
RS Stock No. 772-0837
Mfr. Part No.STA2DC024G
Brande2s
$149.73
Each
units
Sonora STA Signal Tower Yes DC - - - - 24 V dc 95dB 100dB 350.5mm -
RS Stock No. 772-0880
Mfr. Part No.ST-L101HAC230R
Brande2s
$133.44
Each
units
Sonora ST Beacon Yes AC Flashing, Steady Red Yes LED 230 V ac - - 86mm -
RS Stock No. 772-0903
Mfr. Part No.ST-L101HAC230G
Brande2s
$122.69
Each
units
Sonora ST Beacon Yes AC Flashing, Steady Green Yes LED 230 V ac - - 86mm -
RS Stock No. 772-0855
Mfr. Part No.ST-L101XAC230R
Brande2s
$107.68
Each
units
Sonora ST Beacon - AC Flashing Red Yes Xenon 230 V ac - - 86mm -
RS Stock No. 772-0849
Mfr. Part No.STA3DC024G
Brande2s
$170.75
Each
units
Sonora STA Signal Tower Yes DC - - - - 24 V dc 95dB 100dB 439.5mm -
RS Stock No. 772-0821
Mfr. Part No.STB2ACG
Brande2s
$92.36
Each
units
Sonora STB Signal Tower - AC - - - - 230 V ac - - 262.5mm -