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PR NF C61-743-322 ; PR NF EN IEC 61643-332
Components for low-voltage surge protection - Part 322: Selection and application principles for silicon PN-junction voltage limiters
PR NF C61-744-21 ; PR NF IEC 61643-21
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
PR NF C63-001/AA ; PR NF EN IEC 60947-1/AA
Low-voltage switchgear and controlgear - Part 1: General rules
PR NF C63-001-3/A1 ; PR NF EN IEC 60947-3/A1
Amendment 1 - Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
PR NF C63-001-5-1 ; PR NF EN IEC 60947-5-1
Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
PR NF C63-001-5-7 ; PR NF EN IEC 60947-5-7
Low-voltage switchgear and controlgear - Part 5-7: Control circuit devices and switching elements - Requirements for proximity devices with analogue output
PR NF C63-001-9-2 ; PR NF EN IEC 60947-9-2
Low-voltage switchgear and controlgear - Active arc-fault mitigation systems - Part 9-2: Optical-based internal arc-detection and mitigation devices
PR NF C63-065 ; PR NF EN IEC 60947-7-1
Low-voltage switchgear and controlgear - Part 7-1: Ancillary equipment - Terminal blocks for copper conductors
PR NF C63-083-2-2 ; PR NF EN IEC 62683-2-2
Low-voltage switchgear and controlgear - Product data and properties for information exchange - Engineering data - Part 2-2: Switchgear and controlgear assembly objects for building information modelling
PR NF C63-083-2-3 ; PR NF EN IEC 62683-2-3
Product data and properties for information exchange - Engineering data - Part 2-3: Functional safety and reliability
