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Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

60.60   Standard published

N017AC more

Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles

90.93   Standard confirmed

N017AC more

Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations

60.60   Standard published

N017AC more

Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations

60.60   Standard published

N017AC more

Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits for gas discharge tubes (GDT)

60.60   Standard published

N017AC more

Components for low-voltage surge protective devices - Part 312: Selection and application principles for gas discharge tubes

60.60   Standard published

N017AC more

Components for low-voltage surge protective devices - Part 321: Specifications for Avalanche Breakdown Diode (ABD)

60.60   Standard published

N017AC more

Components for low-voltage surge protection - Part 331: Performance requirements and test methods for metal oxide varistors (MOV)

60.60   Standard published

N017AC more

Components for low-voltage surge protection - Part 332: Selection and application principles for metal oxide varistors (MOV)

60.60   Standard published

N017AC more

Components for low-voltage surge protection - Part 341: Performance requirements and test circuits for thyristor surge suppressors (TSS)

60.60   Standard published

N017AC more

Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)

60.60   Standard published

N017AC more

Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs)

60.60   Standard published

N017AC more

Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC low-voltage power systems - Requirements and test methods

90.93   Standard confirmed

N017AC more

Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC low-voltage power systems - Requirements and test methods

60.60   Standard published

N017AC more

Weibull analysis

60.60   Standard published

N104 more

Earth-moving machinery - Basic types - Identification and vocabulary (ISO 6165:2022)

60.60   Standard published

M127 more

Reliability data analysis techniques - Procedures for comparison of two constant failure rates and two constant failure (event) intensities

60.60   Standard published

N104 more

Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 1: Calculation of short-circuit currents

60.60   Standard published

N017AC more