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APC UPS SURT10000RMXLi defective

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bkelciov

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I have a defective UPS SURT10000RMXLi.
Some components exploded and some just not working.
I have 2 optocouplers A3131 defective and I don't know if there is replacement for them and I don't have datasheet for them. I found 2 possible replacements HCNW3120 and ACNW3130 but I don't know if one of this is OK to replace the defective A3131.

Thank You.
 

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