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About product and suppliers:
        Alibaba.com offers 47,762 ups dual products. About 1% of these are inverters & converters, 1% are uninterrupted power supply (ups), and 1% are switching power supply. 

A wide variety of ups dual options are available to you, such as on-line, line interactive, and standby. You can also choose from networking, security / monitoring / alarm, and medical. As well as from short circuit, overvoltage, and overcurrent. And whether ups dual is single phase, or three phase. 

There are 47,835 ups dual suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Turkey, which supply 99%, 1%, and 1% of ups dual respectively. 

Ups dual products are most popular in North America, Eastern Europe, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 5,109 with ISO9001, 1,234 with Other, and 801 with ISO14001 certification.