International Standard | Edition 2.0 | Published 2012-12 | TC 21/SC 21A 📋 Introduction and Scope IEC 62133:2012 is the primary international safety standard for portable sealed secondary cells and batteries containing alkaline or other non-acid electrolytes — encompassing both…

IEC 62125:2019Environmental AspectsEcodesignCircular Economy IEC 62125:2019 provides a systematic methodology for identifying and addressing key environmental aspects during the development of electrotechnical product standards. This horizontal standard — applicable across all IEC technical committees — establishes a structured framework for…

IEC 62127:2022UltrasonicsHydrophoneMedical Ultrasound IEC 62127 (Parts 1-3) defines the international standard for the characterization, calibration, and performance requirements of hydrophones used in medical ultrasonic fields up to 40 MHz. As the primary measurement tool for quantifying ultrasound exposure in diagnostic…

IEC 62128Railway EarthingStray CurrentTraction Safety IEC 62128 is the leading international standard for electrical safety, earthing, and return circuits in fixed railway installations. Published in three parts — protective provisions against electric shock (Part 1), stray current protection (Part 2),…

IEC 62129OSA CalibrationOptical MetrologyWavelength Standard IEC 62129 (with Part 1 specifically addressing optical spectrum analyzers) establishes the standardized calibration procedures for wavelength and optical frequency measurement instruments used in fiber-optic telecommunications, spectroscopy, and laser metrology. The standard provides a comprehensive…

Standard Snapshot: IEC 62118 provides instrumentation requirements for monitoring core cooling in VVER-type pressurized water reactors during all shutdown states. It addresses the unique design features of VVER reactors — particularly horizontal steam generators, loop configuration, and reduced inventory operation…

IEC 62121:2001Audio MeasurementMiniDiscATRAC Codec IEC 62121:2001 defines standardized methods of measurement for evaluating the performance of consumer MiniDisc (MD) recorders and players. Published at the height of the MiniDisc era, this standard provides a comprehensive framework for assessing both analog…

IEC 62122:2002Video MeasurementDV FormatDigital VTR IEC 62122:2002 establishes standardized measurement methods for evaluating the performance of consumer digital video tape recorders (VTRs) using the DV (Digital Video) format, covering both 525/60 (NTSC) and 625/50 (PAL) television systems. The standard provides…

IEC 62124PV Stand-AloneOff-Grid SolarType Approval IEC 62124 specifies the requirements for design qualification and type approval of photovoltaic (PV) stand-alone power systems — systems that operate independently of the utility grid. Developed by IEC Technical Committee 82 (Solar Photovoltaic Energy…

Standard Snapshot: IEC 62114 establishes the thermal classification of Electrical Insulation Systems (EIS), defining temperature classes such as Class 130 (B), Class 155 (F), and Class 180 (H). It identifies recognized procedures for thermal evaluation and qualification of EIS, serving…

Standard Snapshot: IEC 62115:2017 (2nd edition) establishes safety requirements for electric toys, covering everything from small button-battery-powered lights to large ride-on toys. The standard addresses electrical, mechanical, thermal, and optical radiation hazards, with significant updates to battery safety and LED…

Standard Snapshot: IEC 62116 provides a consensus test procedure to evaluate the efficacy of islanding prevention measures (anti-islanding) in utility-interconnected PV inverters. It defines test circuits, equipment specifications, test conditions, and pass/fail criteria for determining whether an inverter is “non-islanding.”…

Standard Snapshot: IEC 62117 specifies instrumentation requirements for monitoring adequate core cooling in PWR nuclear power plants during cold shutdown conditions. It addresses the unique challenges of reduced coolant inventory, partial core exposure, and low-pressure operation that occur during maintenance…

A comprehensive technical examination of IEC 62108, the international standard for design qualification and type approval of concentrator photovoltaic (CPV) modules and assemblies. This article covers the complete test sequence including thermal cycling, damp heat, UV preconditioning, hail impact, water…

Standard Snapshot: IEC 62109-2 defines the safety requirements for inverters used in photovoltaic (PV) power systems. It covers both stand-alone and grid-interactive inverters, addressing electric shock, fire, and arc-fault hazards specific to DC-AC conversion in solar energy systems. 1. Scope…

Standard Snapshot: IEC 62110 establishes standardized measurement procedures for determining electric and magnetic field (EMF) levels from AC power systems, including overhead transmission lines, underground cables, and substations, specifically addressing public exposure assessment. 1. Scope and Purpose IEC 62110:2009 provides…

Standard Snapshot: IEC PAS 62111, developed by EDF and processed by IEC TC 82, provides specifications for renewable energy systems used in rural areas not connected to the national grid. It classifies user needs into 4 categories and proposes a…