คำจำกัดความนี้สอดคล้องกับช่วงแรงดันไฟฟ้าที่กำหนด ซึ่งหมายความว่ากำลังไฟฟ้าเข้าที่กำหนดจะมีป้ายกำกับเป็นช่วงขีดจำกัดบนและล่าง ตัวอย่าง: เครื่องทำความร้อนในห้องแบบหลอดควอทซ์ที่มีช่วงแรงดันไฟฟ้า AC220-240V และช่วงกำลังไฟเข้าพิกัด 2000-2200WExample: A quartz tube room heater with a rated voltage range of AC220-240V and a rated power input range of 2000-2200W.
We are discussing here the second structure of the PTC heating element, PTC heating element structure please refer to the explanation of its definition. How is the creepage distance of the functional insulation at the location of the red circle in Figure 1 determined? We all know that NOTE 1 of TABLE 18 section has…
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…
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…
