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
TWD1,428.00
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
TWD2,556.00
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
TWD3,046.00
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
RS Stock No. 176-481
Mfr. Part No.XVBC6B8
TWD9,820.00
Each
units
Harmony Harmony XVB Beacon - AC, DC Flashing Yellow - Xenon 24 V ac/dc - - 157mm 70mm
RS Stock No. 704-3821
Mfr. Part No.XVCZ02
TWD1,382.00
Each
units
- Harmony XVC Metal Fixing Plate for Tube Mounting - - - - - - - - - - -
RS Stock No. 436-2116
Mfr. Part No.XVBC2M4
TWD2,703.00
Each
units
Harmony Harmony XVB Beacon - AC Steady Red Yes LED 230 V ac - - 63mm 70mm
RS Stock No. 881-2854
Mfr. Part No.XVUC020Q
TWD1,101.00
Each
units
Harmony Harmony XVU Body Extender - DC - - - - 24 V ac/dc - - 100mm 60mm
RS Stock No. 814-8630
Mfr. Part No.XVBC040
TWD1,847.00
Each
units
- - Support Tube Concealment Cover - - - - - - - - - - -
RS Stock No. 818-4024
Mfr. Part No.171449 & SL7-CB-EMH
BrandEaton
TWD1,967.00
Each
units
- SL7 Termination Base with External Fixing Holes - AC, DC - - - - 24 V ac/dc, 110 V ac, 230 V ac - - - 70mm
RS Stock No. 436-2122
Mfr. Part No.XVBC2M5
TWD2,658.00
Each
units
Harmony Harmony XVB Beacon - AC Steady Orange Yes LED 230 V ac - - 63mm 70mm
RS Stock No. 190-2872
BrandRS PRO
TWD2,392.00
Each
units
- - Light Module - AC, DC Steady Blue Yes LED 24 V ac/dc - - 59mm 75mm
RS Stock No. 181-1631
Mfr. Part No.8WD4208-0AA
BrandSiemens
TWD2,156.00
Each
units
- Sirius Connection Element - - - - - - - - - - 50mm
RS Stock No. 455-3340
Mfr. Part No.64430068
BrandWerma
TWD1,711.00
Each
units
KombiSIGN 71 644 Beacon - AC Steady Yellow - LED 230 V ac - - 65mm 70mm
New
RS Stock No. 211-1013
Mfr. Part No.XVBC4M3
TWD5,005.00
Each
units
Harmony XVB Universal XVBC Indicator Bank - AC Flashing Green - LED 230 V ac - - - -
RS Stock No. 181-1654
Mfr. Part No.8WD4408-0AA
BrandSiemens
TWD2,128.00
Each
units
- Sirius Connection Element - - - - - - - - - 42.5mm 70mm
RS Stock No. 818-3780
Mfr. Part No.171330 & SL4-L230-A
BrandEaton
TWD2,424.00
Each
units
- SL4 Beacon - AC Steady Amber - LED 230 V ac - - 62mm 40 mm, 43mm
RS Stock No. 451-1009
Mfr. Part No.84811075
BrandWerma
TWD2,474.00
Each
units
KombiSIGN 50 848 Beacon - AC, DC Blinking Red - LED 24 V ac/dc - - 67mm 50mm
RS Stock No. 818-3982
Mfr. Part No.171434 & SL7-L-G
BrandEaton
TWD1,132.00
Each
units
- SL7 Beacon - AC, DC Steady Green - Incandescent 230 V ac - - 61mm 73mm