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IEC 63208:2025 pdf download,Low-voltage switchgear and controlgear and their assemblies – Security requirements. IEC 63208:2025 outlines the essential functions of switchgear and controlgear, along with their assemblies, collectively referred to as equipment, within the framework of operational technology (OT 3.1.34). This standard is relevant for equipment that utilizes either wired or wireless data communication methods, […]

IEC 63185:2025 pdf download,Measurement of the complex permittivity for low-loss dielectric substrates balanced-type circular disk resonator method. IEC 63185:2025 introduces a refined measurement technique for assessing the complex permittivity of dielectric substrates specifically at microwave and millimeter-wave frequencies. This method has been meticulously designed to analyze the dielectric characteristics of low-loss materials that are essential […]

IEC 61847:2025 pdf download,Ultrasonics – Surgical systems – Measurement and declaration of the basic output characteristics. IEC 61847:2025 delineates several critical aspects concerning ultrasonic surgical units. Firstly, it defines the key non-thermal output characteristics that these devices must exhibit. Understanding these characteristics is vital for ensuring the effectiveness and safety of ultrasonic surgical procedures. Secondly, […]

IEC 62657-2:2025 pdf download,Industrial networks – Coexistence of wireless systems – Part 2: Coexistence management. IEC 62657-2:2025 outlines several key aspects related to wireless communication coexistence. Firstly, it establishes the essential assumptions, concepts, parameters, and procedures that govern how different wireless systems can operate alongside one another without interference. This foundational framework is crucial for […]

IEC 63522-11:2025 pdf download,Electrical relays – Tests and measurements – Part 11: Enclosure protection and degree of protection. IEC 63522-11:2025 is intended for testing electrical relay enclosures, specifying the relevant severities and conditions necessary for measurements and assessments. These tests are designed to evaluate the performance of Devices Under Test (DUTs) under anticipated conditions of […]

IEC TR 63491:2025 pdf download,Live working – Guidance for end users for the selection of personal protective equipment against the hazards of an electric arc. IEC TR 63491:2025 has been developed to offer comprehensive guidance to end users regarding the selection, utilization, and maintenance of personal protective equipment (PPE) designed to protect against electrical arc […]

CISPR 12:2025 pdf download,Vehicles, boats and devices with internal combustion engines or traction batteries – Radio disturbance characteristics – Limits and methods of measurement for the protection of off-board receivers. CISPR 12:2025 The limits in this document are designed to provide protection in the frequency range of 30 MHz to 1 000 MHz for off-board […]

IEC 63522-40:2025 pdf download,Electrical relays – Tests and measurements – Part 40: Short circuit testing. IEC 63522-40:2025 outlines the testing procedures, including the relevant severities and conditions, for evaluating the performance of Devices Under Test (DUTs) in various scenarios such as transportation, storage, and operational use. This document establishes a standardized method for conducting short […]