STB PDF

Lamp controlgear - articular requirements for DC and/or AC supplied electronic controlgear for fluorescent induction lamps. Original standard UNE-EN IEC 61347-2-14-2018 in PDF full version. Additional info + preview on request

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Wind energy generation systems - Part 4- Design requirements for wind turbine gearboxes. Original standard UNE-EN IEC 61400-4-2026 in PDF full version. Additional info + preview on request

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Low-voltage switchgear and controlgear assemblies - Part 3- Distribution boards intended to be operated by ordinary persons (DBO). Original standard UNE-EN IEC 61439-3-2026 in PDF full version. Additional info + preview on request

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Amendment 11 - Test methods for accessories for power cables with rated voltages from 6 kV (Um = 7,2 kV) up to 36 kV (Um = 42 kV). Original standard UNE-EN IEC 61442-2026 A11-2026 in PDF full version. Additional info + preview on request

Document status: Active

Test methods for accessories for power cables with rated voltages from 6 kV (Um = 7,2 kV) up to 30 kV (Um = 36 kV). Original standard UNE-EN IEC 61442-2026 in PDF full version. Additional info + preview on request

Document status: Active

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-13- Particular requirements and tests for auto-transformers and power supply units incorporating auto-transformers for general applications. Original standard UNE-EN IEC 61558-2-13-2026 in PDF full version. Additional info + preview on request

Document status: Active