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. 293-9950
Mfr. Part No.XVBC33
$108.84
Each
units
Harmony Harmony XVB Beacon - AC Steady Green - Incandescent, LED 250 V - - 63mm 70mm
RS Stock No. 436-2043
Mfr. Part No.XVBC2B4
$349.86
Each
units
Harmony Harmony XVB Beacon - AC, DC Steady Red Yes LED 24 V ac/dc - - 63mm 70mm
RS Stock No. 451-1009
Mfr. Part No.84811075
BrandWerma
$127.18
Each
units
KombiSIGN 50 848 Beacon - AC, DC Blinking Red - LED 24 V ac/dc - - 67mm 50mm
RS Stock No. 814-8649
Mfr. Part No.XVBC4B3
$213.94
Each
units
Harmony XVB Universal XVBC Indicator Bank - AC, DC Flashing Green - LED 24 V ac, 24 → 48 V dc - - 63mm 70mm
RS Stock No. 294-0348
Mfr. Part No.XVBC9B
$310.25
Each
units
Harmony Harmony XVB Buzzer Element - DC - - - - 24 V ac/dc 70dB 90dB 63mm 70mm
RS Stock No. 299-4402
Mfr. Part No.84310055
BrandWerma
$96.74
Each
units
KombiSIGN 70 843 Beacon - AC, DC Steady Red - LED 24 V dc - - 65.5mm 70mm
RS Stock No. 481-991
Mfr. Part No.64431068
BrandWerma
$100.45
Each
units
KombiSIGN 71 644 Beacon - AC Blinking Yellow - LED 230 V ac - - 65mm 70mm
RS Stock No. 328-0574
Mfr. Part No.84830055
BrandWerma
$128.01
Each
units
KombiSIGN 50 848 Beacon - AC, DC Steady Yellow - LED 24 V ac/dc - - 67mm 50mm
RS Stock No. 382-7640
Mfr. Part No.96000005
BrandWerma
$108.58
Each
units
- - Indicator Board - - - - - - - - - - -
RS Stock No. 294-0017
Mfr. Part No.XVBC5B4
$439.80
Each
units
Harmony Harmony XVB Beacon - AC, DC Flashing Red Yes LED 24 V ac/dc - - 63mm 70mm
RS Stock No. 366-0009
Mfr. Part No.84350068
BrandWerma
$184.46
Each
units
KombiSIGN 70 843 Beacon - AC Steady Blue - LED 230 V ac - - 65.5mm 70mm
RS Stock No. 881-2832
Mfr. Part No.XVUC21B
$107.94
Each
units
Harmony Harmony XVU Termination - DC - - - - 24 V ac/dc - - 77mm 60mm
RS Stock No. 198-6113
Mfr. Part No.HL-3155X
$219.11
Each
units
- HL Battery - - - - - - 5.6 V - - 140mm -
RS Stock No. 294-0376
Mfr. Part No.XVBC4B5
$337.28
Each
units
Harmony Harmony XVB Beacon - AC, DC Flashing Orange - Incandescent, LED 24 V ac/dc - - 63mm 70mm
RS Stock No. 328-0293
Mfr. Part No.84500000
BrandWerma
$59.68
Each
units
KombiSIGN 50 845 Termination - AC, DC - - - - 12 - 230 V ac/dc - - 16mm 52mm
RS Stock No. 772-0887
Mfr. Part No.ST-L101HAC230A
Brande2s
$186.15
Each
units
Sonora ST Beacon Yes AC Flashing, Steady Amber Yes LED 230 V ac - - 86mm -
RS Stock No. 881-2810
Mfr. Part No.XVUC29
$278.02
Each
units
Harmony Harmony XVU Beacon Yes DC Blinking, Flashing, Rotating, Steady Blue, Green, Orange, Red, White, Yellow Yes LED 24 V ac/dc - - 50mm 60mm
RS Stock No. 328-0568
Mfr. Part No.84820055
BrandWerma
$128.01
Each
units
KombiSIGN 50 848 Beacon - AC, DC Steady Green - LED 24 V ac/dc - - 67mm 50mm
RS Stock No. 123-2886
Mfr. Part No.63080075
BrandWerma
$34.14
Each
units
- - Terminal Element - - - - - - - - - - -
RS Stock No. 294-0023
Mfr. Part No.XVBC5B5
$440.05
Each
units
Harmony Harmony XVB Beacon - AC, DC Flashing Orange Yes LED 24 V ac/dc - - 63mm 70mm