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

Cláusula 3 – Cómo entender la definición de “transformador aislante de seguridad”

transformador de aislamiento de seguridad: transformador cuyo devanado de entrada está eléctricamente separado del de salida por un aislamiento al menos equivalente a un doble aislamiento o a un aislamiento reforzado, destinado a alimentar un aparato o circuito a tensión muy baja de seguridad El transformador mencionado aquí se utiliza para suministrar energía a aparatos…

Cláusula 3 – Cómo entender la definición de “muy baja tensión de seguridad”

tensión muy baja de seguridad: tensión no superior a 42 V entre conductores y entre conductores y tierra, la tensión en vacío no superior a 50 V. Cuando la tensión muy baja de seguridad se obtenga de la red eléctrica, deberá ser a través de un aislamiento de seguridad. transformador o convertidor con devanados separados,…

Cláusula 3 – Cómo entender la definición de “tensión muy baja”

tensión extrabaja: tensión suministrada desde una fuente dentro del aparato que no supera los 50 V entre conductores y entre conductores y tierra cuando el aparato se alimenta a tensión nominal Según la definición de la Directiva de bajo voltaje de la UE, el bajo voltaje oscila entre 50-1000 V para CA y 75-1500 V…