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...
AS NZS IEC-60947-5 pdf download
AS NZS IEC-60947-5 pdf download.Low-voltage switchgear and controlgear – Part 5-5: Control circuit devices and switching elements – Electrical emergency stop device with mechanical latching function. This section of IEC 60947-5 provides detailed specifications relating to the electrical and mechanical construction of emergency stop devices with mechanical latching function and...
AS NZS-IEC-60947-5-9-2015 pdf download
AS NZS-IEC-60947-5-9-2015 pdf download.Low-voltage switchgear and controlgear – Part 5-9: Control circuit devices and switching elements – Flow rate switches. This part of IEC 60947 applies to flow rate switches that sense the rate of flow of a gas, a liquid or a granular solid. These switches change their output...