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Isigaba sesi-3 – Iqondwa kanjani incazelo “yebanga lefrikhwensi elinganiselwe”

Bygezhi-tech July 14, 2024September 27, 2025

ibanga lefrikhwensi elinganisiwe: ibanga lefrikhwensi elinikezwe umshini ngumkhiqizi, ovezwa imikhawulo yawo ephansi nangaphezulu.

Ngakho-ke, ngincoma ukuthi umake imvamisa elinganiselwe njengo-50/60Hz ngokuqondile.
Therefore, I recommend marking the rated frequency as 50/60Hz directly.

clause 3

Isigaba sesi-3 – Iqondwa kanjani incazelo yegama elithi “clearance”
Bygezhi-tech August 27, 2024September 27, 2025

clearance: ibanga elifushane emoyeni phakathi kwezingxenye ezimbili ze-conductive noma phakathi kwengxenye ye-conductive kanye ne-indawo efinyelelekayo. Ukuhlanzeka kuwumqondo obaluleke kakhulu. Ukuze siqonde imvume, sidinga ukuphinda sikusho ukuthi akukho lutho oluvalwe ngokuphelele, futhi umoya ungaqhuba nogesi. Lapho i-voltage iphezulu kakhulu, i-current izoqhutshwa emoyeni. Ukushaywa kombani ngesikhathi sokuduma kwezulu kuyisibonelo esivamile sombani oshaya emoyeni. I-voltage yombani iphezulu kakhulu,…

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Clause 3 – How to understand the definition of “combined appliance”
Bygezhi-tech November 3, 2024September 27, 2025

combined appliance: appliance incorporating heating elements and motors. We know that this standard mainly protects against the following five types of dangers, which are electric shock, mechanical damage from moving parts, thermal damage (such as burns), fire damage, chemical and biological damage. Generally speaking, thermal damage is caused by electric heating elements, and mechanical damage…

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Clause 3 – How to understand the definition of “detachable part”
Bygezhi-tech November 3, 2024September 27, 2025

detachable part: part that can be removed or opened without the aid of a tool, a part that is removed or opened in accordance with the instructions for use, even if a tool is needed for removal, or a part that does not fulfil the test of 22.11.NOTE 1 If for installation purposes a part…

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Clause 3 – How to understand the definition of “non-self-resetting thermal cut-out”
Bygezhi-tech January 10, 2025September 27, 2025

non-self-resetting-thermal cut-out: thermal cut-out that requires a manual operation for resetting, or replacement of a part, in order to restore the current.NOTE Manual operation includes disconnection of the appliance from the supply mains. The thermal cut-out is equipped with a temperature-sensitive component, typically a bimetallic strip or a thermistor, which reacts to heat. As the…

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Isigaba sesi-3 – Iqondwa kanjani incazelo “yemikhondo yokuhlinzeka”
Bygezhi-tech July 29, 2024September 27, 2025

supply lead: isethi yezintambo ezihloselwe ukuxhuma into esebenza kuzintambo ezingaguquki futhi zifakwe ku-aigumbi elingaphakathi noma elinamathiselwe kumshini kagesi Kunemikhawulo emibili edinga ukugcizelelwa lapha. Eyokuqala ukuthi kufanele ibe ngaphakathi kwekhompathimenti, ngokuvamile okungaba ibhokisi likagesi lepulasitiki, noma indawo ehlehlisiwe entweni esetshenziswayo, engasetshenziswa ukubeka izintambo. Isimo sesibili yizintambo. Izintambo lapha zihlukile kunezintambo. Lolu hlobo locingo luwucingo oluvamile olunongqimba…

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Clause 3 – How to understand the definition of “protective device”
Bygezhi-tech January 27, 2025October 5, 2025

protective device: device, the operation of which prevents a hazardous situation under abnormal operation conditions The standard emphasizes “abnormal operation” here. Only devices that operate under “abnormal operation” conditions can be defined as protective devices. Therefore, there are many types of protective devices, including overheating protection devices, overcurrent protection devices, and overpressure protection devices. Overheating…

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