Datasheet in PDF titled for SVC varistors, 1.87 MB. The name gives no exact part number, so it most likely covers a series of metal oxide varistors with ratings and dimensions tables. Varistors protect mains inputs of power supplies, TVs and appliances from surges and often burn or short after a spike. Use the document to read the voltage rating from the body code, compare clamping voltage and energy, and choose a correct replacement when one has cracked or blown.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @datasheets0. Enginerys does not host this file.
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