STO型升降變壓器是一種交流電壓變換裝置，它採用環形鐵芯繞制，從而使功耗更小，效率
更高，通過使用本產品後，將多種電網的電壓轉換為通用的電壓輸出，所有的電子電氣設備在額
定功率下均能安全使用。
● 輸入電壓AC110V或220V
● 具有熔斷保護器或過流保護器
● 輸出電壓AC220V或110V

STO series step-up & down transformer is an AC voltage converting device.It is made of the wind
with the annular iron core.thus make the product have low power consumptionand high efficiency.Us-
ing it.to convert the multi-kind net.voltage into a general output voltage under which all the electronic
units are safe for use within the rated power range.
● Input voltage:AC110V or 220V
● With fuse protector or with over current protector
● Output voltage:AC220V or 110V

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