BS EN IEC 60974-2-2019 pdf download
BS EN IEC 60974-2-2019 pdf download.Arc welding equipment Part 2: Liquid cooling systems (IEC 60974-2:2019). This part of IEC 60974 specifies safety and construction requirements for industrial and professional LIQUID COOLING SYSTEMS used in arc welding and allied processes to cool torches. This document is applicable to LIQUID COOLING SYSTEMS...
BS EN IEC 62435-8-2020 pdf download
BS EN IEC 62435-8-2020 pdf download.Electronic components — Long-term storage of electronic semiconductor devices Part 3: Data. 4 Data storage 4.1 General Data associated with the electronic components that are stored shall itself be stored securely without degradation in order to be available when required during the entire storage period...
BS EN IEC 60704-2-7-2020 pdf download
BS EN IEC 60704-2-7-2020 pdf download.Household and similar electrical appliances — Test code for the determination of airborne acoustical noise Part 2-7: Particular requirements for fans. This clause of Part 1 is applicable except as follows: 1.1 Scope 1.1.1 General Replacement: This document applies to electrical fans (including their accessories...
BS EN IEC-60709-2019 pdf download
BS EN IEC-60709-2019 pdf download.Nuclear power plants — Instrumentation and control systems important to safety — Separation. This standard is applicable to nuclear power plant instrumentation and control (I&C) systems, and their cables, that are important to safety, as defined in IAEA Safety Guide NS-G-1.3. It is also applicable to...
BS EN IEC 60519-8-2020 pdf download
BS EN IEC 60519-8-2020 pdf download.Safety in installations for electroheating and electromagnetic processing – Part 8: Particular requirements for electroslag remelting furnaces (IEC 60519-8:2020). 4 Classification and sub-division of equipment and installations This clause of Part 1 is applicable except as follows. 4.1 Classification by processing frequency Addition: The voltage...
BS EN IEC-60545-2021 pdf download
BS EN IEC-60545-2021 pdf download.Guidelines for commissioning and operation of hydraulic turbines, pump- turbines and storage pumps. The purpose of this document is to establish, in a general way, suitable procedures for commissioning and operation of hydraulic machines and associated equipment, and to indicate how such machines and equipment should...
BS EN IEC 60404-7-2020 pdf download
BS EN IEC 60404-7-2020 pdf download.Magnetic materials – Part 7: Method of measurement of the coercivity (up to 160 kA/m) of magnetic materials in an open magnetic circuit (IEC 60404-7:2019). This part of IEC 60404 specifies a method of measurement of the coercivity of magnetic materials in an open magnetic...
BS EN IEC-60305-2021 pdf download
BS EN IEC-60305-2021 pdf download.Insulators for overhead lines with a nominal voltage above 1 000 V – Ceramic or glass insulator units for AC systems – Characteristics of insulator units of the cap and pin type. This International Standard applies to string insulator units of the cap and pin type...
BS EN IEC-60296-2020 pdf download
BS EN IEC-60296-2020 pdf download.Fluids for electrotechnical applications — Mineral insulating oils for electrical equipment. This document provides specifications and test methods for unused and recycled mineral insulating oils (see Clause 3 for definitions). It applies to mineral oil delivered according to the contractual agreement, intended for use in transformers,...
BS EN IEC 60098-2020 pdf download
BS EN IEC 60098-2020 pdf download.Analogue audio disk records and reproducing equipment. This document applies to analogue audio disk records and the corresponding professional and domestic reproducing equipment. It excludes amplifiers and loudspeakers, methods of measurement for which can be found in IEC 60268-3, IEC 60268-5, IEC 60268-21 and IEC...