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. 314-7203
Mfr. Part No.84210055
BrandWerma
MYR562.80
Each
units
KombiSIGN 70 842 Beacon - DC Flashing Red - Xenon 24 V dc - - 65.5mm 70mm
RS Stock No. 294-0001
Mfr. Part No.XVBC21
MYR244.92
Each
units
Harmony Harmony XVB Termination - - - - - Incandescent 24 V ac/dc, 120 → 230 V ac - - 63mm 70mm
RS Stock No. 818-3885
Mfr. Part No.171379 & SL4-AP24
BrandEaton
MYR446.93
Each
units
- SL4 Continuous / Pulse Sounder Yes AC, DC - - - - 24 V ac/dc 88dB 100dB 71mm 40 mm, 43mm
RS Stock No. 511-7333
Mfr. Part No.84351055
BrandWerma
MYR495.64
Each
units
KombiSIGN 70 843 Beacon - AC, DC Blinking Blue - LED 24 V dc - - 65.5mm 70mm
RS Stock No. 881-2832
Mfr. Part No.XVUC21B
MYR178.41
Each
units
Harmony Harmony XVU Termination - DC - - - - 24 V ac/dc - - 77mm 60mm
RS Stock No. 328-0259
Mfr. Part No.84810055
BrandWerma
MYR290.99
Each
units
KombiSIGN 50 848 Beacon - AC, DC Steady Red - LED 24 V ac/dc - - 67mm 50mm
RS Stock No. 123-2886
Mfr. Part No.63080075
BrandWerma
MYR76.20
Each
units
- - Terminal Element - - - - - - - - - - -
RS Stock No. 704-3846
Mfr. Part No.XVCZ23
MYR87.02
Each
units
- Harmony XVC Metal Fixing Plate for Base Mounting - - - - - - - - - - -
RS Stock No. 198-6113
Mfr. Part No.HL-3155X
MYR673.32
Each
units
- HL Battery - - - - - - 5.6 V - - 140mm -
RS Stock No. 314-7089
Mfr. Part No.84010000
BrandWerma
MYR132.69
Each
units
KombiSIGN 70 840 Beacon - AC, DC Steady Red - - 12 - 230 V ac/dc - - 65.5mm 70mm
RS Stock No. 818-3866
Mfr. Part No.171359 & SL4-FL24-Y
BrandEaton
MYR367.37
Each
units
- SL4 Beacon - AC, DC Strobe Yellow - LED 24 V ac/dc - - 62mm 40 mm, 43mm
RS Stock No. 881-2804
Mfr. Part No.XVUC26
MYR299.09
Each
units
Harmony Harmony XVU Beacon - DC Steady Blue Yes LED 24 V ac/dc - - 50mm 60mm
RS Stock No. 772-0896
Mfr. Part No.ST-L101HDC24A1B
Brande2s
MYR279.96
Each
units
Sonora ST Beacon Yes DC Flashing, Steady Blue Yes LED 24 V dc - - 86mm -
RS Stock No. 123-2914
Mfr. Part No.96063003
BrandWerma
MYR70.17
Each
units
- - Extension Tube - - - - - - - - - - -
RS Stock No. 332-3889
Mfr. Part No.XVBC38
MYR258.97
Each
units
Harmony Harmony XVB Beacon - AC Steady Yellow - Incandescent, LED 250 V - - 63mm 70mm
RS Stock No. 176-481
Mfr. Part No.XVBC6B8
MYR1,032.59
Each
units
Harmony Harmony XVB Beacon - AC, DC Flashing Yellow - Xenon 24 V ac/dc - - 157mm 70mm
RS Stock No. 315-8865
Mfr. Part No.97584085
BrandWerma
MYR47.84
Each
units
- - Single Sided Mounting Bracket - - - - - - - - - - -
RS Stock No. 772-0852
Mfr. Part No.ST-L101XDC024R
Brande2s
MYR355.35
Each
units
Sonora ST Beacon - DC Flashing Red Yes Xenon 24 V dc - - 86mm -
RS Stock No. 609-0841
Mfr. Part No.XVBC07
MYR270.61
Each
units
Harmony Harmony XVB Base Unit - - Flashing Green, Orange, Red - - 120 → 230 V ac - - 484mm 70mm
RS Stock No. 293-9944
Mfr. Part No.XVBC36
MYR184.02
Each
units
Harmony Harmony XVB Beacon - AC Steady Blue - Incandescent, LED 250 V - - 63mm 70mm