Railway applications. Fixed Installations. D.C. surge arresters and voltage limiting devices - Surge arresters Ingestion-build-48024 The test procedure specified in

The test procedure specified in this European Standard is not applicable to particle sizes of less than 4 mm or greater than 80 mm

in annexes

labelling and information supplied by the manufacturer

BS EN 1747-13 specifies a method based on acid digestion and atomic absorption spectrometry for the chemical analysis of lead samples collected on filters from ambient air

Railway applications. Fixed Installations. D.C. surge arresters and voltage limiting devices - Surge arresters Ingestion-build-48024 The test procedure specified in1 Scope This European Standard applies to non linear metal oxide resistor type surge arresters without spark gaps designed to limit voltage surges on d. c. systems with nominal voltage up to 3 kV.