ESL55 LED Ex – Explosion-Proof Sightglass Luminaire

The ESL55 LED Ex luminaire delivers high-intensity, reliable illumination for visual flow indicators, pipelines, bio-reactors, laboratory mixers, and the interior of tanks, hoppers, silos, agitators, and other closed process vessels located in potentially explosive environments. Certified for use in both gas and dust hazard zones, it ensures safe, uncompromised visibility in demanding industrial settings.

Engineered for versatility and robust operation, the ESL55 LED Ex mounts easily to a wide range of DIN 28120 / 28121 circular sightglass fittings and DIN 11851 screwed fittings, making it an ideal upgrade for modern aseptic and hygienic processing facilities.

Explosion Protection Certifications

• Ex II 2G Ex d IIC T6 Gb – Gas: Zones 1 & 2
• Ex II 2D Ex tb IIIC T80°C Db – Dust: Zones 21 & 22
• Fully compliant for hazardous-area installation

Key Performance Features

• High-efficiency LED lighting with robust thermal stability
• Compact form factor designed for tight installation spaces
• Ideal for hygienic and aseptic processing environments
• Reliable illumination for process inspection and monitoring

Technical Specifications

• Temperature Class: T6
• Ambient Temperature: up to 40°C
• Power: 11 W
• Operating Voltage: 24 V or 120–230 V
• Mounting: Hinged bracket or adaptor flange, with special internal mounting flange for aseptic technology
• Compatibility:
  • DIN 28120 / 28121 sightglass fittings from DN 40
  • DIN 11851 screwed sightglass fittings from DN 65

Built for reliability and safety, the ESL55 LED Ex delivers consistent, high-quality illumination where it matters most—inside explosive-atmosphere process equipment. A proven solution for operators who demand clarity without compromise.

Technical Specifications: