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IEC/IEEE 63253-5713-8:2024 describes electrical and mechanical requirements of single-phase station service voltage transformers with system voltages of 46 kV or higher and with the maximum rated voltage of the power winding of 1 000 V. This document is a basis for the establishment of performance and limited electrical and mechanical interchangeability requirements of the equipment are…

This document applies to voltage class B electric propulsion systems and connected auxiliary electric systems of electrically propelled road vehicles. It applies to electric circuits and components in these systems. This document focuses on the characteristics at the DC voltage class B terminals of these components as specified in ISO 21498-1. It describes testing methods, test conditions and…

IEC 60364-5-52:2009+AMD1:2024 CSV deals with the selection and erection of wiring systems. This third edition cancels and replaces the second edition, published in 2001, and constitutes a technical revision. The main changes with respect to the previous edition are as follows: - Subclause 521.4 introduces minor changes with regard to busbar trunking systems and powertrack systems. - Subclause…

IEC 61008-2-2:2024 applies to residual current operated circuit-breakers, without integral overcurrent protection, for household and similar uses (hereafter referred to as RCCBs), classified according to IEC 61008-1:2024, 4.1.2, 4.1.3, 4.1.4, 4.1.5 and 4.1.6. RCCBs according to this document are intended for voltages not exceeding 440 V AC with frequencies of 50 Hz, 60 Hz or 50/60 Hz and currents…

IEC 61009-2-2:2024 applies to residual current operated circuit-breakers, with integral overcurrent protection, for household and similar uses (hereafter referred to as RCBOs), classified according to IEC 61009-1:2024, 4.1.2, 4.1.3, 4.1.4, 4.1.5 and 4.1.6. RCBOs according to this document are intended for voltages not exceeding 440 V AC with frequencies of 50 Hz, 60 Hz or 50/60 Hz and currents…

This document specifies requirements for line pressure regulators and line pressure regulators with flow-metering devices to be connected to industrial gas distribution pipelines of: —     compressed gases and carbon dioxide up to 6 MPa (60 bar); —     acetylene up to 150 kPa (1,5 bar); —     liquefied petroleum gases (LPG); —     methylacetylene-propadiene mixtures (MPS); for use in welding,…

This document specifies the physical and mechanical properties of pipes made from unplasticized polyamide (PA-U) in accordance with ISO 16486-1, intended to be buried and used for the supply of gaseous fuels. It also specifies the test parameters for the test methods to which it refers. The ISO 16486 series is applicable to PA-U piping systems, the components of which are connected by fusion…

This document provides operational and performance requirements for smart applications on board ships. It is applicable to documentation, process management, connection and data collection through human-machine interfaces, IoT technologies and related systems. This document defines methods to implement smart network applications, which are open to participants who implement the requirements…

IEC 60947-4-2:2020+AMD1:2024 CSV applies to semiconductor motor controllers, starters and soft-starters which can include a series mechanical switching device, intended to be connected to circuits the rated voltage of which does not exceed 1 000 V AC. This fourth edition cancels and replaces the third edition published in 2011. This edition constitutes a technical revision. This edition includes…

Scope 1.1 This standard applies to metallic outlet boxes, flush-device boxes, floor boxes, concrete boxes, extension rings, covers, conduit bodies, bar hangers, bar-hanger assemblies, and all accessories whose principal function is for support of boxes. The products covered by this standard are intended for installation in accordance with the National Electrical Code (NEC), NFPA 70, the…