美隆電子有限公司

Mayloon Electronic Company Limited

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充電樁 EU standard VA screen 7KW/11KW/22KW

EU standard VA screen 7KW/11KW/22KW

Charging pile

AC Wall Mount 22KW 32A (Max.)

充電樁

交流壁掛式 22KW 32A(最大)

Fast AC Charging

Charge faster and more efficiently

快速交流充電

充電更快、更有效率

Up to a maximum of 32A, creating 22KW of power for increased charging speed 7X Faster than a traditional AC home charger

Can be adjusted through a hardware switch or the APP

最大電流高達 32A,可產生 22KW 的功率,

從而提高充電速度,比傳統交流家用充電器快 7

可透過硬體開關或APP調整。

Product Information:

Charging mode: Type 3

Connector type: Input/output power rating and current Input/output voltage: Three phase up to 22KW/32A

Network type: 400V±20%, three phase; 50Hz

Internal RCD: (400V±20%, three phase; 50Hz)

Protection: TT, TN.

Card reader (Optional) : IEC 62196 Type 2 or Type 1 plug, 5m , IEC 62196 Type 2 Socket or Socket with shutter

Power measurement accuracy:  AC 30mA, DC 6mA

Over current, overvoltage, under voltage, integrated surge protection ISO 15693, ISO 14443+/- 1.0% from 1% to full scale

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Mayloon Electronic Company Limited Mayloon Lighting Company Limited

UPL 產品介紹

UPL LED Lighting
UPL-LED Lighting 儲電式應急照明 可持續在無電情況下照明的神奇應急LED照明燈, 一款具備多功能新產品 非一般的燈泡,當遭遇停電或火警斷電時自動亮燈.

Mayloon on-line chat now

即時業務接洽
WhatsApp:91808452
QQ:1247069489
E-mail: peter@mayloon.com
TEL:852-2408 9788 M: 9180 8452

Newsflash

LED 極性

LED 驅動芯片 LED 極性

 

LED 極性

圖: LED 極性

由於LED工作於直流電,連接線路時必須確保極性方向正確才能正常工作。與二極管一樣,LED的接腳分正極(陽極、+)及負極(陰極、-),電流必需由正極流向負極,LED才能發光。

LED接腳的極性一般可以由其封裝上看出,但不同封裝其標示方式也不同。除封裝外,也有其他途徑得知LED的極性,以下列出常見的標示方法:

可以由以下方法找出:用萬用錶測試。模擬式萬用錶可以用電阻擋測試(注意模擬式萬用錶測試針的正負極是倒轉的的);數字式萬用錶大多有測試二極管的功能,但兩者能測的最高偏壓都有限制,模擬式萬用錶受內部電池所限,數字式萬用錶則因廠方設計而異。低壓恆流源也是理想的測試工具。例如用固定電壓電源串連一個電阻。