Electrical energy storage (EES) systems - Part 5-1: Safety considerations for grid-integrated EES sy...
IEC 62933-5-1:2024 specifies safety considerations (e.g. hazards identification, risk assessment, risk mitigation) applicable to EES systems integrated with the electrical grid. This document provides criteria to enable the safe application and use of electrical energy storage systems of any type or size intended for grid-integrated applications. This document can be applied to all EESS…
Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in power distribu...
IEC 61000-2-4:2024 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61000-2-4:2024 is related to conducted disturbances in the frequency range from 0 kHz to 150 kHz. It gives…
Enterprise business function interfaces for utility operations - Part 9: Interfaces for meter readin...
IEC 61968-9:2024 specifies the information content of a set of message types that can be used to support many of the business functions related to meter reading and control. Typical uses of the message types include meter reading, controls, events, customer data synchronization and customer switching. Although intended primarily for electrical distribution networks, IEC 61968-9 can be used for…
Performance Requirements for Pilot Operated Water Pressure Reducing Valves for Potable Water
Scope
1.2.1 Description
Devices covered by this standard are pilot operated, diaphragm types. Devices shall be permitted to have a
strainer connected to the valve inlet or be without strainer.
1.2.2 Size Range
Nominal device sizes shall be 32 mm through 300 mm (1¼ through 12 inches).
1.2.3 Pressure Range
Devices shall be designed for a minimum working pressure of 1723.8 kPa (250.0 psi).
1…
Space systems — Requirements and guidelines for the management of systems engineering
This document presents the requirements and recommendations for the management of systems engineering for space systems.
This document addresses the systems engineering activities and provides guidelines for interfacing with specific major management subjects (e.g. configuration management, data management, interface management, risk management, requirements management, and integrated logistics…
Magnetic materials - Part 1-1: Classification - Surface insulations of electrical steel strip, sheet...
IEC 60404-1-1:2004+AMD1:2024 CSV establishes a classification of surface insulations for electrical steel sheet, strip and laminations according to their general composition, relative insulating ability and function. These surface insulations are either oxide layers or applied coatings. The purpose of this classification is to create a nomenclature for the various types of surface insulations and…
Household and similar electrical appliances - Safety - Part 2-25: Particular requirements for microw...
This pack contains IEC 60335-2-25:2024 EXV and IEC 60355-2-25:2024 RLV.
IEC 60335-2-25:2024 deals with the safety of microwave ovens for household and similar use, their rated voltage being not more than 250 V including direct current (DC) supplied appliances and battery-operated appliances. This standard also deals with combination microwave ovens, for which normative Annex AA is applicable.…
Household and similar electrical appliances - Safety - Part 2-90: Particular requirements for commer...
This pack contains IEC 60335-2-90:2024 EXV and IEC 60355-2-90:2024 RLV.
IEC 60335-2-90:2024 deals with:
- the safety of microwave ovens with a cavity door intended for commercial use, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral and 480 V for other appliances.
These appliances are not intended for household and similar…
Household and similar electrical appliances - Safety - Part 2-110: Particular requirements for comme...
This pack contains IEC 60335-2-110:2024 EXV and IEC 60355-2-110:2024 RLV.
IEC 60335-2-110:2024 deals with the safety of microwave appliances intended for commercial use, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral and 480 V for other appliances.
As far as is practicable, this standard deals with the common hazards presented…
Household and similar electrical appliances - Safety - Part 2-25: Particular requirements for microw...
IEC 60335-2-25:2024 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60335-2-25:2024 deals with the safety of microwave ovens for household and similar use, their rated voltage…