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. 294-0001
Mfr. Part No.XVBC21
TWD1,499.00
Each
units
Harmony Harmony XVB Termination - - - - - Incandescent 24 V ac/dc, 120 → 230 V ac - - 63mm 70mm
RS Stock No. 436-2043
Mfr. Part No.XVBC2B4
TWD5,599.00
Each
units
Harmony Harmony XVB Beacon - AC, DC Steady Red Yes LED 24 V ac/dc - - 63mm 70mm
RS Stock No. 436-2037
Mfr. Part No.XVBC2B3
TWD2,684.00
Each
units
Harmony Harmony XVB Beacon - AC, DC Steady Green Yes LED 24 V ac/dc - - 63mm 70mm
RS Stock No. 294-0348
Mfr. Part No.XVBC9B
TWD3,198.00
Each
units
Harmony Harmony XVB Buzzer Element - DC - - - - 24 V ac/dc 70dB 90dB 63mm 70mm
RS Stock No. 293-9944
Mfr. Part No.XVBC36
TWD2,703.00
Each
units
Harmony Harmony XVB Beacon - AC Steady Blue - Incandescent, LED 250 V - - 63mm 70mm
New
RS Stock No. 211-0116
Mfr. Part No.8WD4308-0EE
BrandSiemens
TWD1,751.00
Each
units
- SIRIUS Pipe - - - - - - - - - - -
RS Stock No. 382-7656
Mfr. Part No.96000004
BrandWerma
TWD207.00
Each
units
- - Cable Gland - - - - - - - - - - -
RS Stock No. 328-0164
Mfr. Part No.84620000
BrandWerma
TWD884.00
Each
units
KombiSIGN 50 846 Beacon - AC, DC Steady Green - - 12 - 230 V ac/dc - - 67mm 50mm
RS Stock No. 200-8545
Mfr. Part No.LR4-02WJNW
BrandPatlite
TWD1,767.00
Each
units
LR4 LR4 Body Unit - DC - White - LED 24 V dc - - - -
RS Stock No. 135-0666
Mfr. Part No.902002900
TWD585.00
Each
units
ECOmodul 40 ZLL Beacon Module - AC, DC Steady Red - Incandescent 12 → 250 V ac/dc - - 62mm 40mm
New
RS Stock No. 211-0126
Mfr. Part No.8WD4458-6XD
BrandSiemens
TWD2,304.00
Each
units
- SIRIUS LED - AC - - - LED 230 V - - - -
RS Stock No. 190-2903
BrandRS PRO
TWD2,833.00
Each
units
- - Light Module Yes AC Flashing, Steady Clear Yes LED 110 V ac - - 59mm 75mm
RS Stock No. 818-3796
Mfr. Part No.171333 & SL4-L-R
BrandEaton
TWD962.00
Each
units
- SL4 Beacon - AC, DC Steady Red - Incandescent 230 V ac - - 62mm 40 mm, 43mm
New
RS Stock No. 211-0117
Mfr. Part No.8WD4348-1XX
BrandSiemens
TWD360.70
Each (In a Pack of 10)
units
- SIRIUS Incandescent Lamp - AC - - - - 115 V - - - -
RS Stock No. 436-2150
Mfr. Part No.XVBC2M7
TWD3,514.00
Each
units
Harmony Harmony XVB Beacon - AC Steady Clear Yes LED 230 V ac - - 63mm 70mm
RS Stock No. 328-0170
Mfr. Part No.84630000
BrandWerma
TWD884.00
Each
units
KombiSIGN 50 846 Beacon - AC, DC Steady Yellow - - 12 - 230 V ac/dc - - 67mm 50mm
RS Stock No. 881-2889
Mfr. Part No.XVUZ04
TWD846.00
Each
units
- Harmony XVU Direct Mounting Base - - - - - - - - - - -
RS Stock No. 314-7225
Mfr. Part No.84220055
BrandWerma
TWD3,560.00
Each
units
KombiSIGN 70 842 Beacon - DC Flashing Green - Xenon 24 V dc - - 65.5mm 70mm
RS Stock No. 818-4002
Mfr. Part No.171441 & SL7-BL24-R
BrandEaton
TWD2,650.00
Each
units
- SL7 Beacon - AC, DC Flashing Red - LED 24 V ac/dc - - 61mm 73mm
New
RS Stock No. 220-1683
Mfr. Part No.XVBL0B8
TWD6,128.00
Each
units
Harmony XVB Universal XVBL Complete Beacon - AC/DC Steady Yellow - LED 24 V - - - -