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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Standards [CURRENT]

UNE-EN IEC 61557-3
Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance (Endorsed by Asociación Española de Normalización in July of 2022.)

Edition 2022-07-01

Original language English

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

UNE-EN IEC 61557-3 Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance (Endorsed by Asociación Española de Normalización in July of 2022.)

Want to learn more?

UNE-EN IEC 61557-3
Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance (Endorsed by Asociación Española de Normalización in July of 2022.)