ZHEN HUAN GROUP LIMITED(Shenzhenshi Zhen Huan Electronic Co., Ltd.), was founded in 2008, is the executive director of the Institute of China power supply unit, set product development, manufacturing, sales and service in one. We focus on switching power supply、AC/DC power adapter、DC-DC power supply、charger、LED power supply etc..
Our Vision:To become one of the most competitive quality power supplies in the world! Our Mission: We keep the high quality developing mind, provide the best valuable products and add value service!
UL safety standards fall into three types: UL listed, UL recognized and UL classification.
In general, the safety extra low voltage is 25Vac. IEC 60950-1 (ITE SPS): voltage of o/p circuit is less than 60Vdc under normal conditions; IEC 61347-2-13 (LED SPS): voltage of o/p circuit is less than 120Vdc under normal conditions.