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IEC 60335-2-51:2023 deals with the safety of electric stationary circulation pumps for house-hold and similar purposes intended for use in heating systems or in service water sys-tems, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances including direct current (DC) supplied appliances. The hydraulic and electrical parts of the pump can be in…

IEC 61557-9:2023 specifies the requirements for the insulation fault location system (IFLS) that localizes insulation faults in any part of the system in unearthed IT AC systems and unearthed IT AC systems with galvanically connected DC circuits having nominal voltages up to 1 000 V AC, as well as in unearthed IT DC systems with voltages up to 1 500 V DC, independent of the measuring principle.…

This pack contains IEC 60335-2-51:2023 EXV and IEC 60355-2-51:2023 CMV. IEC 60335-2-51:2023 deals with the safety of electric stationary circulation pumps for house-hold and similar purposes intended for use in heating systems or in service water systems, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances including direct current (DC)…

Scope 1.1 This standard applies to network-connectable products that shall be evaluated and tested for vulnerabilities, software weaknesses and malware. 1.2 This standard describes: a) Requirements regarding the software developer (vendor or other supply chain member) risk management process for their product. b) Methods by which a product shall be evaluated and tested for the presence of…

The design method provided in this document addresses vibration induced by walking action of occupants and covers the following timber floor systems: a)       Light frame floors built with timber joists spaced at a distance of no more than 610 mm with a layer of structural wood-based subfloor that is connected to the joists using mechanical fasteners or adhesive. The area density of a bare light…

This document specifies the general properties of unplasticized polyamide (PA-U) compounds for the manufacture of pipes, fittings and valves made from these compounds, intended to be buried and used for the supply of gaseous fuels. It also specifies the test parameters for the test methods to which it refers. The ISO 16486 series is applicable to PA-U piping systems, the components of which are…

IEC 62548-1:2023 sets out design requirements for photovoltaic (PV) arrays including DC array wiring, electrical protection devices, switching and earthing provisions. The scope includes all parts of the PV array and final power conversion equipment (PCE), but not including energy storage devices, loads or AC or DC distribution network supplying loads. The object of this document is to address…

IEC 60335-2-122:2023 deals with the safety of electrically operated commercial washing machines, their rated voltage being not more than 250 V for single phase and 480 V for other appliances. These appliances are not intended for household and similar purpose. They are used: - by experts or instructed persons for commercial washing in areas not open to the public, for example on farms and in…

IEC 60335-2-122:2023 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with the comprehensive content of the Standard. IEC 60335-2-122:2023 EXV includes the content of the references made to IEC 60335-1:2020. IEC 60335-2-122:2023 deals with the safety of electrically…

This document provides the Error and Flow Control Protocol (EFCP) specification. EFCP provides an inter-process communication (IPC) service to an application process, which can be a (N+1)-IPC process (IPCP), with the requested Quality of Service (QoS). One or more service data units (SDUs) are passed on the (N)-port-id to the (N)-DIF (distributed IPC facility) to be sent to the destination…