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EX ST LED signal tower


EX ST - LED signal tower - for EX zones 1, 2, 21 & 22

The explosion-proof LED signal tower EX ST is the ideal solution for condition and status displays as well as signaling faults and level indicators in demanding industrial environments. Designed for use in Zones 1, 2, 21 and 22 hazardous areas, it offers maximum safety and reliability in environments where safety is a top priority.

Versatile areas of application
The LED signal tower finds its application in various industries including petrochemical, refineries, shipbuilding, wastewater industry, sewage treatment plants and EX manufacturing plants. Wherever a reliable condition and status display is needed, our signaling solution offers optimal performance and safety.

Powerful features
The signal tower can be equipped with up to 5 indicator lights, which enables versatile adaptation to different requirements. Thanks to the high-quality and maintenance-free LED technology, the lights offer excellent brightness and are clearly visible even in difficult lighting conditions. 

Robust construction for extreme conditions
The robust housing made of die-cast aluminum and the borosilicate glass tube make the EX signal tower extremely resistant to the challenges of aggressive environments. It is ideally equipped to withstand the stresses in petrochemical plants, refineries or on ships.

Explosion-proof approval for maximum safety
The explosion-proof LED signal tower is certified in accordance with the strict requirements for use in potentially explosive areas. It meets the requirements for zones 1, 2, 21 and 22 and therefore offers maximum security for your applications.

Trust in quality and reliability. With the explosion-proof LED signal tower you get a high-quality solution that is designed for longevity, reliability and performance. Rely on our many years of experience and our commitment to the highest quality standards to make your operations safer and more efficient.

ATEX Identification

II 2 G  Ex db IIC T6/T5 Approvals:
II 2 D  Ex tb IIIC T120°C Db ATEX, IECEx, EAC TC-RU, Zone 1 / 2 / 21 / 22




  • explosion-proof LED signal tower
  • robust housing made of die-cast aluminum with borosilicate glass tube
  • can be individually equipped with up to 4 or 5 indicator lights
  • available in 230V or 24V voltage
  • protection class IP66
  • impact resistance: 7 joules
  • standard version with 2 blind closures M20
  • upon request, delivery with cable gland or ready-to-connect cable bushing
  • up to 2 cable glands or cable bushings possible, allowing several signal towers to be connected in series