IEC 60974-6-2015 pdf download
IEC 60974-6-2015 pdf download.Arc welding equipment – Part 6: Limited duty equipment. This part of IEC 60974 specifies safety and performance requirements applicable to limited duty arc welding and cutting power sources and auxiliaries designed for use by laymen. Electrically powered equipment is intended to be connected to the single...
IEC 62087-7-2018 pdf download
IEC 62087-7-2018 pdf download.Audio, video, and related equipment – Methods of measurement for power consumption Part 7: Computer monitors. This part of IEC 62087 specifies the determination of the power consumption of computer monitors including, but is not limited to, those with CRT, LCD, PDP or OLED technologies. Computer monitors...
IEC 60958-5-2021 pdf download
IEC 60958-5-2021 pdf download.Digital audio interface – Part 5: Consumer application enhancement (IEC 60958-5:2021). This part of IEC 60958 enhances the consumer application of the interface for the interconnection of digital audio equipment defined in IEC 60958-1 and IEC 60958-3, introducing: – multichannel; – multi-stream; – high-resolution; – multimedia extension;...
IEC 60958-4-4-2016 pdf download
IEC 60958-4-4-2016 pdf download.Digital audio interface – Part 4-4: Professional applications – Physical and electrical parameters. This part of IEC 60958 specifies the physical and electrical parameters for different media. This part together with IEC 60958-1 , IEC 60958-4-1 , and IEC 60958-4-2 specify an interface for the serial digital...
IEC 60958-4-2-2016 pdf download
IEC 60958-4-2-2016 pdf download.Digital audio interface – Part 4-2: Professional applications – Metadata and subcode. 4 User data format One bit of user data may be carried in each subframe. Different user data may be carried in each channel and may be related to the associated audio or not. Its...
IEC 60947-3-2015 pdf download
IEC 60947-3-2015 pdf download.Low-voltage switchgear and controlgear – Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units. The provisions of the general rules dealt with in IEC 60947-1 are applicable to this part, where specifically called for. Clauses and subclauses, tables, figures and appendices of the general rules thus applicable are...
IEC 60947-9-1-2019 pdf download
IEC 60947-9-1-2019 pdf download.Low-voltage switchgear and controlgear – Part 9-1: Active arc-fault mitigation systems – Arc quenching devices. This part of IEC 60947 covers low-voltage arc quenching devices, hereinafter referred to as AQDs, which are intended to eliminate arc-faults in low-voltage assemblies (typically low- voltage switchgear and controlgear assemblies in...
IEC 60947-8-2021 pdf download
IEC 60947-8-2021 pdf download.Low-voltage switchgear and controlgear – Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines. This part of IEC 60947 series specifies requirements for control units, which control a switching device in response to the PTC thermistors incorporated in rotating electrical machines and the...
IEC 60938-2-2021 pdf download
IEC 60938-2-2021 pdf download.Fixed inductors for electromagnetic interference suppression – Part 2: Sectional specification on power line chokes. This part of IEC 60938 applies to fixed inductors designed for electromagnetic interference suppression, which will be connected to an AC mains or other supply with a nominal voltage not exceeding 1...
IEC 60938-1-2021 pdf download
IEC 60938-1-2021 pdf download.Fixed inductors for electromagnetic interference suppression – Part 1: Generic specification. This part of IEC 60938 applies to inductors designed for electromagnetic interference suppression intended for use within all kind of electric and electronic equipment. In this generic specification, normative references and terms and definitions are given....