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. 293-9966
Mfr. Part No.XVBC35
MYR216.49
Each
units
Harmony Harmony XVB Beacon - AC Steady Orange - Incandescent, LED 250 V - - 63mm 70mm
RS Stock No. 436-2043
Mfr. Part No.XVBC2B4
MYR398.79
Each
units
Harmony Harmony XVB Beacon - AC, DC Steady Red Yes LED 24 V ac/dc - - 63mm 70mm
RS Stock No. 293-9893
Mfr. Part No.XVBC34
MYR174.16
Each
units
Harmony Harmony XVB Beacon - AC Steady Red - Incandescent, LED 250 V - - 63mm 70mm
RS Stock No. 294-0348
Mfr. Part No.XVBC9B
MYR683.64
Each
units
Harmony Harmony XVB Buzzer Element - DC - - - - 24 V ac/dc 70dB 90dB 63mm 70mm
RS Stock No. 294-0118
Mfr. Part No.XVBC9M
MYR989.86
Each
units
Harmony Harmony XVB Buzzer Element - AC - - - - 120 → 230 V ac 70dB 90dB 63mm 70mm
RS Stock No. 881-2791
Mfr. Part No.XVUC24
MYR219.02
Each
units
Harmony Harmony XVU Beacon - DC Steady Red Yes LED 24 V ac/dc - - 50mm 60mm
RS Stock No. 881-2797
Mfr. Part No.XVUC23
MYR212.29
Each
units
Harmony Harmony XVU Beacon - DC Steady Green Yes LED 24 V ac/dc - - 50mm 60mm
RS Stock No. 881-2804
Mfr. Part No.XVUC26
MYR294.55
Each
units
Harmony Harmony XVU Beacon - DC Steady Blue Yes LED 24 V ac/dc - - 50mm 60mm
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. 294-0398
Mfr. Part No.XVBC020
MYR69.15
Each
units
- Harmony XVB Support Tube Cover - - - - - - - - - - -
RS Stock No. 293-9950
Mfr. Part No.XVBC33
MYR179.61
Each
units
Harmony Harmony XVB Beacon - AC Steady Green - Incandescent, LED 250 V - - 63mm 70mm
RS Stock No. 704-3837
Mfr. Part No.XVCZ13
MYR726.37
Each
units
- Harmony XVC Support Tube - - - - - - - - - - -
RS Stock No. 704-3846
Mfr. Part No.XVCZ23
MYR87.02
Each
units
- Harmony XVC Metal Fixing Plate for Base Mounting - - - - - - - - - - -
RS Stock No. 436-2087
Mfr. Part No.XVBC2B7
MYR429.96
Each
units
Harmony Harmony XVB Beacon - AC, DC Steady Clear Yes LED 24 V ac/dc - - 63mm 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. 881-2823
Mfr. Part No.XVUC9S
MYR357.67
Each
units
Harmony Harmony XVU Buzzer - DC - - - - 24 V ac/dc - - 58mm 60mm
RS Stock No. 881-2864
Mfr. Part No.XVUZ02Q
MYR177.27
Each
units
- Harmony XVU Support Tube and Base - - - - - - - - - - -
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. 881-2810
Mfr. Part No.XVUC29
MYR633.36
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. 881-2860
Mfr. Part No.XVUZ02
MYR160.95
Each
units
- Harmony XVU Support Tube and Base - - - - - - - - - - -