ASL57 LED Ex – High-Output Illumination for Hazardous Process Environments

Engineered for explosive gas and dust zones, the ASL57 LED Ex delivers powerful, focused illumination for visual flow indicators, pipelines, bio-reactors, mixers, and a wide range of closed process vessels. Its rugged LED design ensures long service life, minimal maintenance, and safe operation in demanding industrial environments.

Whether installed on tanks, silos, agitators, or inline flow indicators, the ASL57 LED Ex provides consistent, high-quality lighting—critical for accurate process observation and operator safety.

Explosion Protection Certifications

• Ex II 2G Ex d(e) IIC T6 Gb – Approved for Zones 1 & 2 (gas)
• Ex II 2D Ex tb IIIC T80°C Db – Approved for Zones 21 & 22 (dust)
• Safe for continuous use in explosion hazardous areas

Compatible Sight Glass Fittings

• Circular sight glass fittings to DIN 28120 / DIN 28121 (from DN 40)
• Screw-type sight glass fittings to DIN 11851 (from DN 65)
• Ideal for visual flow indicators and pipeline viewing ports

Key Features

• High-power LED illumination for clear, bright visibility
• Long operating life with minimal maintenance requirements
• Compact, robust design suited for harsh process environments
• Suitable for continuous monitoring in hazardous zones
• Flexible installation using a hinged bracket or adapter flange

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 adapter flange

The ASL57 LED Ex offers the reliability, safety, and lighting performance required for professional-grade process observation in hazardous industrial environments.

Technical Specifications: