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Signal Towers

Signal towers, also called indicator lights or stack lights, are organised stacks of coloured lights designed to indicate the status of a machine or process. These visual signalling devices come with multi-coloured LEDs or other light segments, each representing different operational states. A signal tower also integrates audible alarms, sounders, sirens, buzzers, and adjustable volumes to enhance its effectiveness. Additionally, these towers provide a clear and easily understandable visual cue for operators and personnel, allowing them to assess the situation and take necessary action quickly.

Why Buy Signal Towers?

Signal towers are a valuable investment that offers several key benefits. These lighting devices improve safety by alerting personnel to potential hazards, increase efficiency by providing immediate feedback on system status, and reduce downtime by enabling faster troubleshooting and problem resolution. They are also cost-effective and come with advanced features, robust construction, and high visibility. 

View Our Range of Best-in-Class Signal Towers:

We offer high-quality signal towers based on lighting technology and signal outputs. Our modern components include sound components, such as a voice annunciator, electronic sounder, and buzzer, ensuring audible and visual indications. Our selection includes:

  • LED Signal Towers – An LED signal tower is an energy-efficient and long-lasting option that provides bright and vibrant illumination. These towers consume minimal power, generate less heat, and give a clear indication of machines or processes.    
  • Blinking Signal Towers – These towers feature a blinking or flashing light pattern to draw attention to critical events or urgent situations. 
  • Flashing Signal Towers – Like blinking towers, a flashing signal tower uses a rapid on-off cycle to indicate a critical alarm or immediate action required. 
  • Continuous Signal Towers – These towers provide a steady, non-blinking light output to indicate a stable or ongoing condition. 
  • Steady Signal Towers – These fixtures provide a constant light output and are used to indicate a stable state or condition.

Typical Uses of Signal Towers:

Signal towers are automation signalling devices that find applications across multiple industries and settings, including:

  • Manufacturing
  • Automation
  • Process Control 
  • Logistics
  • Transportation
  • Emergency Systems
  • Security Systems 
  • Building Management.

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Schneider Electric
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XVMC36, Schneider Electric
5 In Stock
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£ 13.89
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LR6-102PJNU-G, Patlite
999999997 In Stock
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£ 84.63
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LR6-302LJNW-RYG, Patlite
1 In Stock
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£ 129.67
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LR6-302WJNW-RYG, Patlite
2 In Stock
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1 +
£ 104.72
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LR6-402LJBW-RYGB, Patlite
1 In Stock
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£ 201.22
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649.240.04, Werma
1 In Stock
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1 +
£ 104.10
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649.240.05, Werma
2 In Stock
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1 +
£ 164.39
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691.400.68, Werma
2 In Stock
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1 +
£ 201.49
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698.460.75, Werma
2 In Stock
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£ 193.20
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699.430.75, Werma
999999997 In Stock
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1 +
£ 127.71
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699.830.75, Werma
16 In Stock
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1 +
£ 97.06
RS PRO
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220-5036, RS PRO
18 In Stock
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1 +
£ 213.97
RS PRO
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220-5048, RS PRO
2 In Stock
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£ 171.21
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695.210.55, Werma
1 In Stock
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1 +
£ 509.20
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657.010.55, Werma
1 In Stock
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£ 248.21
171296 SL4-100-L-RYG-24LED, Eaton
3 In Stock
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1 +
£ 231.29
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8LT4K07BG, Lovato
999999997 In Stock
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£ 274.26
Banner
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TL70GYRQ, Banner
2 In Stock
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£ 285.17
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686.373.15, Werma
2 In Stock
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1 +
£ 131.74
EP-400213 SLC-M22-RYG-AP-24, Eaton
1 In Stock
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1 +
£ 184.72
EP-400209 SLC-FW-RYG-24, Eaton
2 In Stock
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1 +
£ 144.56
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RND 430-00040, RND
22 In Stock
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1 +
£ 73.41
RS PRO
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265-5873, RS PRO
14 In Stock
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£ 258.57
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SLT060-0B010J700 / 6075938, SICK
999999997 In Stock
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£ 341.36
AUER Signal
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PC7-Q11, AUER Signal
1 In Stock
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£ 155.75
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New Items
New items
LED-TL-01-02-04, Moflash

LED-TL-01-02-04, Moflash

Moflash Industrial LED Traffic Light - TL Series Professional range of Moflash industrial LED beacons from the TL series. The LED beacons are designed for industrial or commercial applications where low maintenance, long life and cost effective solution are required. Suitable applications include car park management, factory traffic control, automatic gate or door control systems. The beacons require external input signals or PLC controls to switch visual indication functions. Suitable for indoor or outdoor applications. The beacons can be surface mounted onto any flat vertical surface or conduit boxes. Continuously rated IP65 Rated LED long life Low current consumption Dustproof Weatherproof Cable termination inside the enclosure
New items
LR4-202PJNW-RG, Patlite

LR4-202PJNW-RG, Patlite

Our next generation signal tower line featuring cutting-edge technology, modular segments for field configuration, and a wide-array of options to fit the most challenging applications. Re-designed lens and improved module construction delivering bright, even light for visibility from further distances. (2000mcd output) Re-engineered, completely enclosed sound module, maintaining substantial water and dust protection while producing loud, omni-directional sound. (LR5 DC12C: 80, LR4 & LR5: 85, LR6: 88, LR7: 90dB at 1m) A modular, “Twist and Lock”, system to easily customize and reconfigure LED and sound modules. (Field configurable) A sleek, smooth form factor and an enhanced body construction for performance in harsh environments. Available in DC24V and AC100-240V Available in Off-white and Silver bodies Four mounting options: Direct, pole with L-bracket, pole with circular bracket, and pole with folding bracket (Off-white only)
New items
LR4-302PJBU-RYG, Patlite

LR4-302PJBU-RYG, Patlite

Our next generation signal tower line featuring cutting-edge technology, modular segments for field configuration, and a wide-array of options to fit the most challenging applications. Re-designed lens and improved module construction delivering bright, even light for visibility from further distances. (2000mcd output) Re-engineered, completely enclosed sound module, maintaining substantial water and dust protection while producing loud, omni-directional sound. (LR5 DC12C: 80, LR4 & LR5: 85, LR6: 88, LR7: 90dB at 1m) A modular, “Twist and Lock”, system to easily customize and reconfigure LED and sound modules. (Field configurable) A sleek, smooth form factor and an enhanced body construction for performance in harsh environments. Available in DC24V and AC100-240V Available in Off-white and Silver bodies Four mounting options: Direct, pole with L-bracket, pole with circular bracket, and pole with folding bracket (Off-white only)
New items
LR4-102WJNW-Y, Patlite

LR4-102WJNW-Y, Patlite

Our next generation signal tower line featuring cutting-edge technology, modular segments for field configuration, and a wide-array of options to fit the most challenging applications. Re-designed lens and improved module construction delivering bright, even light for visibility from further distances. (2000mcd output) Re-engineered, completely enclosed sound module, maintaining substantial water and dust protection while producing loud, omni-directional sound. (LR5 DC12C: 80, LR4 & LR5: 85, LR6: 88, LR7: 90dB at 1m) A modular, “Twist and Lock”, system to easily customize and reconfigure LED and sound modules. (Field configurable) A sleek, smooth form factor and an enhanced body construction for performance in harsh environments. Available in DC24V and AC100-240V Available in Off-white and Silver bodies Four mounting options: Direct, pole with L-bracket, pole with circular bracket, and pole with folding bracket (Off-white only)
New items
LR4-102PJNW-Y, Patlite

LR4-102PJNW-Y, Patlite

Our next generation signal tower line featuring cutting-edge technology, modular segments for field configuration, and a wide-array of options to fit the most challenging applications. Re-designed lens and improved module construction delivering bright, even light for visibility from further distances. (2000mcd output) Re-engineered, completely enclosed sound module, maintaining substantial water and dust protection while producing loud, omni-directional sound. (LR5 DC12C: 80, LR4 & LR5: 85, LR6: 88, LR7: 90dB at 1m) A modular, “Twist and Lock”, system to easily customize and reconfigure LED and sound modules. (Field configurable) A sleek, smooth form factor and an enhanced body construction for performance in harsh environments. Available in DC24V and AC100-240V Available in Off-white and Silver bodies Four mounting options: Direct, pole with L-bracket, pole with circular bracket, and pole with folding bracket (Off-white only)
New items
LR4-202LJBU-RY, Patlite

LR4-202LJBU-RY, Patlite

Our next generation signal tower line featuring cutting-edge technology, modular segments for field configuration, and a wide-array of options to fit the most challenging applications. Re-designed lens and improved module construction delivering bright, even light for visibility from further distances. (2000mcd output) Re-engineered, completely enclosed sound module, maintaining substantial water and dust protection while producing loud, omni-directional sound. (LR5 DC12C: 80, LR4 & LR5: 85, LR6: 88, LR7: 90dB at 1m) A modular, “Twist and Lock”, system to easily customize and reconfigure LED and sound modules. (Field configurable) A sleek, smooth form factor and an enhanced body construction for performance in harsh environments. Available in DC24V and AC100-240V Available in Off-white and Silver bodies Four mounting options: Direct, pole with L-bracket, pole with circular bracket, and pole with folding bracket (Off-white only)
New items
89418055, Werma

89418055, Werma

LED Traffic Light - 894 Series High visibility and innovative design Each element can be individually rotated Colour intensive light using LEDs Clear lenses for clear signalling even in direct sunlight Integrated mounting bracket allows easy mounting Good sideward visibility Wall mounting Traffic Light
New items
XVC6B4, Schneider Electric

XVC6B4, Schneider Electric

Schneider XVC6 Pre-Configured Signal Tower The Schneider XVC6 series is a monolithic pre-cabled signal tower designed for semi-conductor factories, on conveyor belts and on small food or drink dispensing machines in the commercial sector. 60mm diameter, suitable for use in semi-conductor factories, on conveyor belts and on small food or drink dispensing machines in the commercial sector Steady or Flashing super-bright LED illumination Flashing function can be selected by wiring Base mounted or mounted on support tube with bracket Pre-cabled, ready to use and install Simple and safe fixing For products equipped with a buzzer, the type of signal (continuous or intermittent) can be reversed by modifying the cable connections Approvals CE, UL, CSA, CCC and Gost in progress. Standards EN/IEC 61000-6-2, EN/IEC 61000-6-3, EN/IEC 61000-6-4, Class I conforming to EN/IEC 61140.
New items
XVC1B1K, Schneider Electric

XVC1B1K, Schneider Electric

Schneider XVC1 Pre-Configured Signal Tower The Schneider XVC1 series is a monolithic pre-cabled signal tower designed for industrial applications and machine-tools. 100mm diameter, suitable for industrial applications and machine-tools Steady or Flashing super-bright LED illumination Flashing function can be selected by wiring Base mounting, pre-cabled, ready to use and install Simple and safe fixing For products equipped with a buzzer, the type of signal (continuous or intermittent) can be reversed by modifying the cable connections For products equipped with a siren, it is possible to choose between 16 melodies, either by a switch or by 4 external digital outputs A potentiometer in the base for adjusting the audible signalling volume Note Buzzer versions can be mounted on a vertical support, please see accessories; 704-3837 and 704-3846
New items
190-2860, RS PRO

190-2860, RS PRO

RSPro Preassembled 70mm LED Signal towers The RSPro 70mm LED Signal tower is designed to provide signalling solutions improving the safety and productivity of your Control & Automation equipment. Preassembled and prewired, the Signal Tower are supplied with red & green light modules. These Preassembled Prewired signal towers provide quick installation and a rapid mounting solution for all your signalling needs. The prewiring enables easy selection of the colours (or functions) and allows you to change the signal output of the individual coloured modules. Additional colours and Acoustic sound modules are also available and can be added to the preassembled Signal towers. All modules can be assembled and disassembled quickly and easily without tools and without the need to disconnect the power supply. The electrical connection is made via a connection board which is inserted into the internal slot of the connecting module creating an electrical contact in total safety.
New items
171296 & SL4-100-L-RYG-24LED, Eaton

171296 & SL4-100-L-RYG-24LED, Eaton

Eaton SL4 Complete Signal Towers The Eaton SL4 complete safety tower improves the safety, productivity and availability of your machines and equipment.Two pre-fitted versions are avaiable with either red/green or red/yellow/green light modules. Designed with an attractive rounded shape these new signal towers also feature IP66 rated fixtures that are impervious even to strong jets of water. The SL4 signal towers new rapid mounting and wiring system allows you to change the composition of the individual signal colours simply and quickly (refer to the modular version for additional colours and sound units). The mounting adapter uses a bayonet fitting, so electrical wiring only needs to be connected once, meaning the lower portion can remain on the machine. Type approvals and certifications for Europe and North American have already been obtained, and ship classifications and CCC are currently pending. Continuous light effect LED Base module with foot and 100 mm tube IP66 rated for protection against strong jets of water from any direction Slim 40mm design is ideal for installations with limited space Rated operational voltage 24 Vac/dc Standards IEC/EN 60947-5-1.
New items
XVC6B3K, Schneider Electric

XVC6B3K, Schneider Electric

Schneider XVC6 Pre-Configured Signal Tower The Schneider XVC6 series is a monolithic pre-cabled signal tower designed for semi-conductor factories, on conveyor belts and on small food or drink dispensing machines in the commercial sector. 60mm diameter, suitable for use in semi-conductor factories, on conveyor belts and on small food or drink dispensing machines in the commercial sector Steady or Flashing super-bright LED illumination Flashing function can be selected by wiring Base mounted or mounted on support tube with bracket Pre-cabled, ready to use and install Simple and safe fixing For products equipped with a buzzer, the type of signal (continuous or intermittent) can be reversed by modifying the cable connections Approvals CE, UL, CSA, CCC and Gost in progress. Standards EN/IEC 61000-6-2, EN/IEC 61000-6-3, EN/IEC 61000-6-4, Class I conforming to EN/IEC 61140.
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Signal Towers and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Signal Towers or any other product.
This depends on the Signal Towers individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Signal Towers and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Signal Towers.
Yes. We keep updating our stock frequently and if a product like Signal Towers is not in stock then we will let you know.