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UNE - Spanish national standards
Page 2571
UNE 50121:1991 (16/12/1991)
DOCUMENTATION. METHODS FOR EXAMINING DOCUMENTS, DETERMINING THEIR SUBJECTS AND SELECTING INDEXING TERMS.
Available languages: Spanish
Available design: electronic design (pdf), Print design
from 35.30 EUR more info
UNE-EN 50122-1:2023 (08/11/2023)
Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 1: Protective provisions against electric shock
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 144.10 EUR more info
UNE-EN 50122-2:2023 (08/11/2023)
Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 2: Provisions against the effects of stray currents caused by DC traction systems
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 90.20 EUR more info
UNE-EN 50122-3:2023 (08/11/2023)
Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 3: Mutual Interaction of AC and DC traction systems
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 84.30 EUR more info
UNE-EN 50122-3:2023/A1:2026 (17/06/2026) Change
Fixed installations for railway applications - Electrical safety, earthing and the return circuit - Part 3: Mutual Interaction of AC and DC traction systems
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 35.30 EUR more info
UNE-EN 50123-1:2004 (24/09/2004)
Railway applications - Fixed installations - D.C. switchgear -- Part 1: General
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 94.10 EUR more info
UNE-EN 50123-2:2004 (23/07/2004)
Railway applications - Fixed installations - D.C. switchgear -- Part 2: D.C. circuit breakers
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 74.50 EUR more info
UNE-EN 50123-3:2004 (23/07/2004)
Railway applications - Fixed installations - D.C. switchgear -- Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 66.60 EUR more info
UNE-EN 50123-3:2004/A1:2013 (11/12/2013) Change
Railway applications - Fixed installations - D.C. switchgear - Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 29.40 EUR more info
UNE-EN 50123-4:2004 (23/07/2004)
Railway applications - Fixed installations - D.C. switchgear -- Part 4: Outdoor d.c. disconnectors, switch-disconnectors and earthing switches
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
from 69.60 EUR more info
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