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Now showing items 61-70 of 165
IEC 62054-21: Electricity metering (a.c.) Tariff and load control Part 21: Particular requirements for time switches - First Edition
Abstract: This part of IEC 62054 specifies particular requirements for the type test of newly manufactured indoor time switches with operation reserve that are used to control electrical loads, multi-tariff registers and maximum ...
IEC 60669-2-4: English -- Switches for household and similar fixed electrical installations Part 2-4: Particular requirements Isolating switches - First Edition
Abstract: This part of IEC 60669 applies to manually operated general purpose isolating switches with a rated voltage not exceeding 440 V and a rated current not exceeding 125 A, intended for household and similar fixed electrical ...
IEC 62226-1: English -- Exposure to electric or magnetic fields in the low and intermediate frequency range Methods for calculating the current density and internal electric field induced in the human body Part 1: General - First Edition
Abstract: This part of IEC 62226 provides means for demonstrating compliance with the basic restrictions on human exposure to low and intermediate frequency electric and magnetic fields specified in exposure standards or guidelines ...
IEC 61511-1 CORR 1: English -- Functional safety – Safety instrumented systems for the process industry sector – Part 1: Framework, definitions, system, hardware and software requirements CORRIGENDUM 1 - First Edition
Abstract: This International Standard gives requirements for the specification, design, installation, operation and maintenance of a safety instrumented system, so that it can be confidently entrusted to place and/or maintain the ...
IEC 88528-11: Reciprocating internal combustion engine driven alternating current generating sets - Part 11: Rotary uninterruptible power systems - Performance requirements and test methods - First Edition
Abstract: This International Standard, which forms part of the ISO 8528 series, specifies criteria, including performance and test methods, for rotary uninterruptible power systems (UPS) arising out of a combination of mechanical ...
IEC 60480: English -- Guidelines for the checking and treatment of sulfur hexafluoride (SF6 ) taken from electrical equipment and specification for its re-use - Second Edition
Abstract: This International Standard concerns the re-use of sulfur hexafluoride (SF6) after removal from electrical equipment (for maintenance, or at the end of life).
This standard recommends procedures for reclaiming used SF6 ...
This standard recommends procedures for reclaiming used SF6 ...
IEC 60709: English -- Nuclear power plants – Instrumentation and control systems important to safety – Separation - Edition 2.0
Abstract: 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 temporary ...