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ESL25 LED Explosion-Proof Sight Glass Light

The ESL25 LED Explosion-Proof Sight Glass Light is designed to provide bright, glare-free illumination for sight glasses, reactors, pipelines, and pressure vessels operating in hazardous areas. Featuring an ATEX-compliant stainless steel housing, high-efficiency LED technology, and IP65/IP67 protection, it delivers reliable lighting for demanding industrial environments.

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Technical data

ESL25 LED Explosion-Proof Sight Glass Light Overview

The ESL25 LED Explosion-Proof Sight Glass Light is engineered for safe and efficient illumination of industrial sight glasses, process vessels, reactors, tanks, and pipeline observation ports located in hazardous environments. Built with a corrosion-resistant stainless steel housing and high-performance LED light source, it provides uniform, glare-free illumination while generating minimal heat.

Designed for installation alongside circular sight glass fittings or separate lighting ports, the ESL25 is suitable for gas Zone 1/2 and dust Zone 21/22 hazardous locations. Its compact design, long LED service life, and IP65/IP67 protection make it an ideal lighting solution for chemical processing, pharmaceutical manufacturing, food production, biotechnology, and petrochemical industries.

ESL25 LED Explosion-Proof Sight Glass Light— Technical Data

SpecificationDetails
Product NameESL25 LED Explosion-Proof Sight Glass Light
Light SourceHigh-Efficiency LED
Housing MaterialStainless Steel 316L (1.4404)
Lens MaterialBorosilicate Glass
Explosion ProtectionATEX
Hazardous AreaGas Zone 1 & 2 / Dust Zone 21 & 22
Protection RatingIP65 / IP67
Input Voltage24V AC/DC or 110–230V AC
Power ConsumptionApprox. 7.5 W
Color TemperatureApprox. 6500 K
Beam Angle12°, 25°, 38° (Optional)
MountingHinged Bracket / Adapter Mount
ApplicationsSight Glasses, Reactors, Tanks, Pipelines

Dimensions and electrical data for Lumistar luminaire ESL25LED-Ex:

• Components and materials:

– Body of luminaire: Stainless steel 1.4404, polished

– Fastening components: Stainless steel 1.4301

– Cable entry gland: M20 x 1.5

– Weight: 1.8 kg

• Connecting data: Temperature classification and electrical parameters (see also EU Type-Examination Certificate)

ItemESL25LED-ExVariant with 2 m connection cable part no.Variant with cable gland 7-12 mm part no.Variant for sterile applic. with 2 m connection cable part no.Ambient temperature range
-20℃ ≤ Tₐ ≤ +50℃
124 V AC/DC – 7.5 W3540.924.003540.949.003542.015.002G T62D T80℃
2110-230 V AC – 7.5 W3540.925.003540.950.003542.016.002G T62D T80℃

KEY FEATURES

Explosion-Proof Design

Certified for hazardous gas and dust environments to ensure safe operation.

High-Efficiency LED

Bright, energy-saving illumination with an extended service life.

Glare-Free Lighting

Optimized optics provide uniform illumination for clear process observation.

Corrosion-Resistant Housing

Stainless steel construction withstands harsh industrial environments.

IP65/IP67 Protection

Dust-tight and water-resistant for reliable outdoor and process applications.

Low Maintenance

Long-life LEDs reduce replacement frequency and maintenance costs.

TYPICAL APPLICATIONS

FAQ

A:It provides safe and reliable illumination for sight glasses, reactors, tanks, and process vessels located in hazardous industrial environments.

A:Yes. It is designed for use in hazardous gas Zone 1 & 2 and dust Zone 21 & 22 environments when supplied in the certified configuration.

 


A: Typical models are available for 24V AC/DC and 110–230V AC power supplies.


A: The ESL25 can be installed on many circular sight glass fittings, pipeline sight glasses, reactors, and pressure vessels using the appropriate mounting bracket or adapter.

A: Yes. We provide different voltage options, beam angles, cable lengths, mounting accessories, and customized solutions for specific industrial applications.

Need Custom ESL25 LED Explosion-Proof Sight Glass Light Solutuions?

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