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. 181-1624
Mfr. Part No.8WD4308-0CA
BrandSiemens
HK$322.29
Each
units
- Sirius Bracket - - - - - - - - - 106mm 70mm
RS Stock No. 181-1625
Mfr. Part No.8WD4228-0BB
BrandSiemens
HK$1,656.61
Each
units
- Sirius Interface Module - - - - - - - - - - 50mm
RS Stock No. 181-1633
Mfr. Part No.8WD4200-1AE
BrandSiemens
HK$463.05
Each
units
- Sirius Continuous Light Element - - - Clear Yes LED 12 → 230 V ac/dc - - 67mm 50mm
RS Stock No. 181-1668
Mfr. Part No.8WD5300-1AB
BrandSiemens
HK$666.06
Each
units
- - Continuous Light Element - - - Red Yes LED 12 → 230 V ac/dc - - 66mm 70mm
New
RS Stock No. 211-0108
Mfr. Part No.8WD4220-5BB
BrandSiemens
HK$1,173.19
Each
units
- SIRIUS Flashing Light Element No AC/DC Flashing Red - LED 24 V - - - -
RS Stock No. 181-1639
Mfr. Part No.8WD4220-5AB
BrandSiemens
HK$1,203.21
Each
units
- Sirius Continuous Light Element - - - Red Yes LED 24 V ac/dc - - 67mm 50mm
RS Stock No. 181-1649
Mfr. Part No.8WD4420-0CF
BrandSiemens
HK$1,193.84
Each
units
- Sirius Light Element - DC Flashing Blue Yes Xenon 24 V dc - - 65.5mm 70mm
RS Stock No. 181-1634
Mfr. Part No.8WD4200-1AD
BrandSiemens
HK$479.14
Each
units
- Sirius Continuous Light Element - - - Yellow Yes LED 12 → 230 V ac/dc - - 67mm 50mm
New
RS Stock No. 211-0109
Mfr. Part No.8WD4220-5BC
BrandSiemens
HK$1,213.95
Each
units
- SIRIUS Flashing Light Element No AC/DC Flashing Green - LED 24 V - - - -
RS Stock No. 181-1631
Mfr. Part No.8WD4208-0AA
BrandSiemens
HK$577.97
Each
units
- Sirius Connection Element - - - - - - - - - - 50mm
New
RS Stock No. 211-0122
Mfr. Part No.8WD4420-5DD
BrandSiemens
HK$1,342.87
Each
units
- SIRIUS Rotating Light Element No AC/DC Rotating Yellow - LED 24 V - - - -
RS Stock No. 181-1640
Mfr. Part No.8WD4420-5AC
BrandSiemens
HK$965.79
Each
units
- Sirius Light Element - - - Green Yes LED 24 V ac/dc - - 65.5mm 70mm
RS Stock No. 181-1650
Mfr. Part No.8WD4420-5AD
BrandSiemens
HK$965.79
Each
units
- Sirius Light Element - - - Yellow Yes LED 24 V ac/dc - - 65.5mm 70mm
RS Stock No. 181-1626
Mfr. Part No.8WD4308-0DB
BrandSiemens
HK$284.69
Each
units
- Sirius Foot - - - - - - - - - - 70mm
RS Stock No. 181-1635
Mfr. Part No.8WD4200-1AC
BrandSiemens
HK$463.05
Each
units
- Sirius Continuous Light Element - - - Green Yes LED 12 → 230 V ac/dc - - 67mm 50mm
RS Stock No. 190-6045
Mfr. Part No.8WD53500CB
BrandSiemens
HK$1,837.66
Each
units
- - - - AC Flashing Red Yes Xenon 230 V ac - - 96.5mm 75mm
RS Stock No. 181-1618
Mfr. Part No.8WD4428-6XC
BrandSiemens
HK$617.72
Each
units
- Sirius LED - - - Green Yes LED 24 V ac/dc - - 45mm 70mm
RS Stock No. 181-1666
Mfr. Part No.8WD4450-0FA
BrandSiemens
HK$1,085.04
Each
units
- Sirius Buzzer Element Yes AC - - - - 230 V ac - 85dB 72mm 70mm
RS Stock No. 181-1616
Mfr. Part No.8WD4428-6XE
BrandSiemens
HK$689.70
Each
units
- Sirius LED - - - - - - - - - - 50mm
RS Stock No. 181-1613
Mfr. Part No.8WD4428-6XB
BrandSiemens
HK$385.68
Each
units
- Sirius LED - - - - - - - - - - 50mm