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
TWD1,308.00
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
TWD1,927.00
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
TWD2,410.00
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
TWD2,830.00
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
TWD2,523.00
Each
units
Harmony Harmony XVB Beacon - AC Steady Blue - Incandescent, LED 250 V - - 63mm 70mm
RS Stock No. 135-0647
Mfr. Part No.901011405
TWD1,756.00
Each
units
ECOmodul 60 YDC LED Beacon Module - AC, DC Steady Amber Yes LED 24 V ac/dc - - 76mm 60mm
RS Stock No. 135-0648
Mfr. Part No.901012405
TWD1,756.00
Each
units
ECOmodul 60 YDC LED Beacon Module - AC, DC Steady Red Yes LED 24 V ac/dc - - 76mm 60mm
RS Stock No. 135-0649
Mfr. Part No.901014405
TWD1,863.00
Each
units
ECOmodul 60 YDC LED Beacon Module - AC, DC Steady Clear Yes LED 24 V ac/dc - - 76mm 60mm
RS Stock No. 135-0658
Mfr. Part No.901582900
TWD1,512.00
Each
units
- YMR Mounting Base - - - - - - - - - - -
RS Stock No. 135-0650
Mfr. Part No.901015405
TWD1,863.00
Each
units
ECOmodul 60 YDC LED Beacon Module - AC, DC Steady Blue Yes LED 24 V ac/dc - - 76mm 60mm
RS Stock No. 135-0660
Mfr. Part No.901583900
TWD1,756.00
Each
units
- YMR Mounting Base - - - - - - - - - - -
RS Stock No. 190-2818
BrandRS PRO
TWD1,214.00
Each
units
- - Light Module Yes AC, DC Flashing, Steady Amber Yes LED 12 V ac, 12 V ac/dc, 24 V ac/dc, 240 V ac - - 43mm 70mm
RS Stock No. 818-3819
Mfr. Part No.171339 & SL4-BL24-R
BrandEaton
TWD2,134.00
Each
units
- SL4 Beacon - AC, DC Flashing Red - LED 24 V ac/dc - - 62mm 40 mm, 43mm
RS Stock No. 135-0651
Mfr. Part No.901016405
TWD1,756.00
Each
units
ECOmodul 60 YDC LED Beacon Module - AC, DC Steady Green Yes LED 24 V ac/dc - - 76mm 60mm
RS Stock No. 135-0672
Mfr. Part No.902011405
TWD1,512.00
Each
units
ECOmodul 40 ZDC LED Beacon Module - AC, DC Steady Amber Yes LED 24 V ac/dc - - 62mm 40mm
RS Stock No. 190-2819
BrandRS PRO
TWD1,214.00
Each
units
- - Light Module Yes AC, DC Flashing, Steady Red Yes LED 12 V ac, 12 V ac/dc, 24 V ac/dc, 240 V ac - - 43mm 70mm
RS Stock No. 179-9464
Mfr. Part No.XVUC44
TWD1,786.00
Each
units
Harmony XVU XVU Modular Tower Light - AC, DC Blinking Red Yes LED 24 V ac/dc - - 50mm 60mm
RS Stock No. 818-3822
Mfr. Part No.171341 & SL4-BL24-Y
BrandEaton
TWD2,134.00
Each
units
- SL4 Beacon - AC, DC Flashing Yellow - LED 24 V ac/dc - - 62mm 40 mm, 43mm
RS Stock No. 455-3306
Mfr. Part No.64420075
BrandWerma
TWD1,476.00
Each
units
KombiSIGN 71 644 Beacon - AC, DC Steady Green - LED 24 V dc - - 65mm 70mm
RS Stock No. 135-0652
Mfr. Part No.901017405
TWD1,756.00
Each
units
ECOmodul 60 YDC LED Beacon Module - AC, DC Steady Yellow Yes LED 24 V ac/dc - - 76mm 60mm