📅 Standard Status: Withdrawn · Superseded by IEC 60947-3 · Domain: Low-voltage Distribution & Control ⚠️ Historical Context: IEC 61129 was the first stand-alone international standard specifically addressing low-voltage switches, disconnectors, switch-disconnectors, and fuse-combination units (FCUs). Published in the early…

Since its initial publication in 1993, IEC 61131 has served as the definitive international standard for programmable logic controllers (PLCs). Whether you are working with Siemens TIA Portal, Rockwell Studio 5000, Schneider EcoStruxure, or Mitsubishi GX Works, the underlying architecture…

IEC 61120 | Digital Audio Tape Recorder Reel-to-Reel System for Professional Use | Studio Mastering, Broadcast Production, Digital Audio Archiving 💡 Standard Overview IEC 61120 is an International Electrotechnical Commission standard series covering professional reel-to-reel digital audio tape (R-DAT) recording…

Standard: IEC 61121 Ed. 3.0 (2013) | Published: 2026-05-16 | Category: Optical Storage · Digital Audio 1. Standard Overview and Historical Context IEC 61121 (Ed. 3.0, 2013) defines the international standard for the Compact Disc Digital Audio System (CD-DA). Originating…

💡 Standard Overview: IEC 61123, developed by IEC TC 56 (Dependability), specifies procedures for designing compliance test plans to verify that the success ratio — the probability of successfully completing a mission without failure — meets specified requirements. It complements…

💡 Standard Overview: IEC 61124, developed by IEC TC 56 (Dependability), provides a comprehensive set of test plans for compliance testing of items whose failure process follows a constant failure rate (exponential distribution for non-repairable items) or constant failure intensity…

IEC 61116, officially titled “Electromechanical equipment guide for small hydroelectric installations,” is a comprehensive International Electrotechnical Commission standard that establishes a structured framework for the selection, installation, commissioning, operation, and maintenance of electromechanical equipment in small-scale hydropower plants. Although the…

📅 Standard Status: Withdrawn | Scope: Low-voltage switchgear and controlgear assemblies (PSC-ASSEMBLIES) | Core Function: Short-circuit withstand strength verification In the low-voltage distribution industry, the Partially Type-Tested Assembly (PTTA) represents one of the most prevalent product categories. Unlike a fully…

Status: Withdrawn | Standard No.: IEC 61118 | Keywords: D-3, helical scan, 12.65 mm tape, broadcast digital recording Core Summary: IEC 61118 defines the D-3 component digital video cassette recording format, using 12.65 mm (0.5 in) metal-particle tape in a…

Status: Withdrawn | Standard No.: IEC 61119 (Multi-Part) | Keywords: DAT, R-DAT, helical scan, 3.81 mm tape, rotary head, PCM, ATF, Reed-Solomon Core Summary: IEC 61119 is the multi-part international standard series defining the Digital Audio Tape (DAT) cassette system,…

Standard: IEC 61111:2009 (Ed. 3.0) | Deep Technical Analysis | Updated: 2026-05-16 📋 1. Scope and Voltage Classification System IEC 61111 “Live working — Electrical insulating matting” is the internationally recognised standard governing flexible insulating mats used to provide a…

📅 2026-05-16  |  🏭 TNLab  |  📜 Standard Series: IEC 61112 IEC 61112 is the international benchmark standard for flexible electrical insulating blankets used in live working environments. These blankets are designed to be wrapped, draped, or laid over live…

Standard: IEC 61114 (multi-part) | Focus: Ku-band satellite broadcast receiver metrology | Application: DTH satellite TV, satellite communications | Last updated: 2026-05-16 IEC 61114 is the preeminent international standard defining measurement methods for satellite broadcast receivers operating in the 11/12…

IEC 61115 (Expression of performance of sample handling systems for process analyzers) is a pivotal International Electrotechnical Commission standard that defines how manufacturers and system integrators shall express, declare, and verify the performance of sample handling systems (SHS) used in…

Standard: IEC 61105 (Withdrawn)  |  Category: Digital Audio Recording  |  First Published: Early 1990s IEC 61105 was the International Electrotechnical Commission’s interchangeability standard for the Rotary-Head Digital Audio Tape (R-DAT) recorder. It marked a watershed moment in consumer electronics history…

#OpticalStorage #FMModulation #AnalogVideo #OpticalPickup #IEC61106 #LaserDisc Standard Status: Withdrawn · Era: ~1988 · Domain: Optical Video Recording IEC 61106 is the formal IEC standard that defines the LaserVision (LV) / LaserDisc (LD) optical video disc format — the world’s first…

The IEC 61108 series is arguably the most consequential standard family for maritime electronic navigation. It establishes the performance requirements, test methods, and required test results for Global Navigation Satellite System (GNSS) receiver equipment used aboard SOLAS-class vessels. Published in…