STB PDF

Alarm systems - Intrusion and hold-up systems - Part 1- System requirements. Original standard UNE-EN 50131-1-2008 in PDF full version. Additional info + preview on request

Document status: Active

Amendment 1 - Alarm systems - Intrusion and hold-up systems - Part 6- Power supplies. Original standard UNE-EN 50131-6-2008 A1-2014 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 50131-6-2018

Alarm systems. Alarm transmission systems and equipment - Requirements for Supervised Premises Transceiver (SPT). Original standard UNE-EN 50136-2-2013 in PDF full version. Additional info + preview on request

Document status: Active

Railway applications. Fixed installations. Electric traction. Copper and copper alloy grooved contact wires. Original standard UNE-EN 50149-2012 in PDF full version. Additional info + preview on request

Document status: Active

Railway applications. Fixed installations. Particular requirements for a.c. switchgear - Measurement, control and protection devices for specific use in a.c. traction systems. Current transformers. Original standard UNE-EN 50152-3-2-2016 in PDF full version. Additional info + preview on request

Document status: Active

Amendment 1 - Railway applications. Rolling stock. Protective provisions relating to electrical hazards. Original standard UNE-EN 50153-2014 A1-2018 in PDF full version. Additional info + preview on request

Document status: Active