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Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Equipment for testing the safety of electrical equipment of machinery. Original standard UNE-EN 61557-14-2013 in PDF full version. Additional info + preview on request

Document status: Active

Safety of transformers, reactors, power supply units and combinations thereof - Particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V. Original standard UNE-EN 61558-2-10-2014 in PDF full version. Additional info + preview on request

Document status: Active

Safety of transformers, reactors, power supply units and combination thereof - Particular requirements and tests for variable transformers and power supply units incorporating variable transformers. Original standard UNE-EN 61558-2-14-2013 in PDF full version. Additional info + preview on request

Document status: Active

Safety of power transformers, power supply units and similar devices - Part 2-19- Particular requirements for perturbation attenuation transformers. Original standard UNE-EN 61558-2-19-2002 in PDF full version. Additional info + preview on request

Document status: Active

Measurement of exposure to radio-frequency electromagnetic fields - Field strength in the frequency range 100 kHz to 1 GHz. Original standard UNE-EN 61566-1997 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Radiation protection instrumentation. Radon and radon decay product measuring instruments - Specific requirements for radon decay product measuring instruments. Original standard UNE-EN 61577-3-2014 in PDF full version. Additional info + preview on request

Document status: Active