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Alarm systems. Social alarm systems - Application guidelines. Original standard UNE-EN 50134-7-2017 in PDF full version. Additional info + preview on request
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Amendment 1 - Railway applications - Fixed installations - Particular requirements for a.c. switchgear - Part 3-1: Measurement, control and protection devices for specific use in a.c. traction systems - Devices. Original standard UNE-EN 50152-3-1-2017 A1-2025 in PDF full version. Additional info + preview on request
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Railway applications. Fixed installations. Particular requirements for a.c. switchgear - Measurement, control and protection devices for specific use in a.c. traction systems. Devices. Original standard UNE-EN 50152-3-1-2017 in PDF full version. Additional info + preview on request
Document status: Active
Amendment 1 - Electric instantaneous water heaters Part 2-2: Performance requirements - Single point of use electric instantaneous showers - Efficiency. Original standard UNE-EN 50193-2-2-2017 A1-2021 in PDF full version. Additional info + preview on request
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Multi-element metallic cables used in analogue and digital communications and control - Sectional specification for screened cables characterised from 1 MHz up to 2 000 MHz. Horizontal and building backbone cables. Original standard UNE-EN 50288-12-1-2017 in PDF full version. Additional info + preview on request
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Overhead electrical lines exceeding AC 1 kV Part 1: General requirements Common specifications. Original standard UNE-EN 50341-1-2017 in PDF full version. Additional info + preview on request
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