LED Tubes & Ballasts
ECG, magnetic and conventional ballasts, direct mains connection and universal SI4 technology.
Industrial LED Tubes →Knowledge & Technology
Practical guides, reference tables and expert knowledge for engineers, electricians, maintenance professionals and technical buyers—from LED fundamentals and tube dimensions to international standards and product markings.
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Choose the knowledge topic that matches your needs. Every article is linked to the relevant products, applications and technical solutions.

Learn how colour temperature influences the appearance, atmosphere and functionality of lighting.
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Compare tube lengths, base types and dimensions at a glance.
View PDF Lamp Finder →
Learn about protection classes, conformity markings, IP ratings and installation symbols.
View PDF Product Marking Guide →20 frequently asked questions about retrofit, railway lighting, EMC, service life, colour temperatures and custom solutions.
View answers → ↔Identify T5 and T8 formats, bases, wattages and exact lengths correctly.
Identify your lamp → A–ZTechnical terms from beam angle to ballast explained concisely.
Look up terms → ⌁Protection classes, IP ratings, CE, mounting and safety symbols.
Understand symbols →Direct Access to Technical Topics
ECG, magnetic and conventional ballasts, direct mains connection and universal SI4 technology.
Industrial LED Tubes →DIN EN 50155, DIN EN 45545-2, DIN EN 61373, EMC and surge testing.
Railway Lighting →Preserve existing systems, reproduce components and minimise conversion effort.
View solutions →Use REGIO panel luminaires and PUNCTIS spotlights together in 3-circuit track systems.
Retail Lighting →Is your question missing?
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