Clause 3 – How to understand the definition of “built-in appliance”

built-in appliance: fixed appliance intended to be installed in a cabinet, in a prepared recess in a wall or in a similar location. Here, because the appliance must be installed in a reserved position (usually a cubic space with only one side open), it is a fixed installation and can be regarded as a fixed…

Clause 3 – How to understand the definition of “fixed appliance”

fixed appliance: appliance that is intended to be used while fastened to a support or while secured in a specific location. The definition emphasizes fastening to a bracket or fixing in a specific position. Generally, we think that this kind of fixation requires some installation actions and some fixing devices, these devices can be fixed…

Clause 3 – How to understand the definition of “stationary appliance”

stationary appliance: fixed appliance or an appliance which is not a portable appliance. Stationary appliance includes fixed appliance and not a portable appliance. The characteristic of a stationary appliance is that once it is put into use, it will be placed in a fixed position. At the same time, the position of the appliances will…

Clause 3 – How to understand the definition of “portable appliance”

portable appliance: appliance that is intended to be moved while in operation or an appliance, other than a fixed appliance, having a mass less than 18 kg. This item is relatively easy to understand. Products that are less than 18kg are relatively light, so they are easy to move during operation, including humidifiers, fans, air…

Clause 3 – How to understand the definition of “protective extra-low voltage circuit”

protective extra-low voltage circuitportable appliance => portable appliance: earthed circuit operating at safety extra-low voltage which is separated from other circuits by basic insulation and protective screening, double insulation or reinforced insulationNOTE 1 Protective screening is the separation of circuits from live parts by means of an earthed screen.NOTE 2 A protective extra-low voltage circuitportable appliance => portable appliance

Clausule 3 – Hoe u de definitie van “veiligheidsscheidingstransformator” begrijpt

veiligheidsscheidingstransformator: transformator waarvan de ingangswikkeling elektrisch gescheiden is van de uitgangswikkeling door een isolatie die ten minste gelijkwaardig is aan dubbele isolatie of versterkte isolatie, die bestemd is om een ​​apparaat of circuit op veilige extra lage spanning te voeden De hier genoemde transformator wordt gebruikt om apparaten of circuits van stroom te voorzien. De…

Clausule 3 – Hoe u de definitie van “extra lage veiligheidsspanning” begrijpt

veiligheids-extra-lage spanning: spanning niet hoger dan 42 V tussen geleiders en tussen geleiders en aarde, waarbij de nullastspanning niet hoger is dan 50 V. Wanneer veiligheids-extra-lage spanning wordt verkregen van het voedingsnet, moet dit via een veiligheidsisolatie gebeuren transformator of een omvormer met gescheiden wikkelingen, waarvan de isolatie voldoet aan de eisen voor dubbele isolatie…

Clausule 3 – Hoe u de definitie van “extra lage spanning” begrijpt

extra lage spanning: spanning geleverd door een bron in het apparaat die niet hoger is dan 50 V tussen geleiders en tussen geleiders en aarde wanneer het apparaat op nominale spanning wordt geleverd Volgens de definitie van de EU-laagspanningsrichtlijn varieert de laagspanning van 50-1000V voor AC en 75-1500V voor DC. Overigens verdelen de meeste landen…