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Railway applications. Three-phase train line voltage characteristics. Original standard BS EN 50533-2011 + A1-2016 in PDF full version. Additional info + preview on request

Document status: Active

Protection against lightning. Thunderstorm warning systems. Original standard BS EN 50536-2011 + A1-2012 in PDF full version. Additional info + preview on request

Document status: Active

Low-voltage surge protective devices. Surge protective devices for specific application including d.c. - Requirements and tests for SPDs in photovoltaic applications. Original standard BS EN 50539-11-2013 + A1-2014 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Conductors for overhead lines. Aluminium conductors steel supported (ACSS). Original standard BS EN 50540-2010 in PDF full version. Additional info + preview on request

Document status: Active

Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3150 kVA, with highest voltage for equipment not exceeding 36 kV - General requirements. Original standard BS EN 50541-1-2011 in PDF full version. Additional info + preview on request

Document status: Replaced by

Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3 150 kVA, with highest voltage for equipment not exceeding 36 kV - Determination of loadability of a transformer loaded with non-sinusoidal current. Original standard BS EN 50541-2-2013 in PDF full version. Additional info + preview on request

Document status: Active