[email protected] writes: >The vendor >who designed and built the power supply for us put thick-wall heat-shrink >tubing >over the MOV to provide a safety barrier, since the dipped epoxy coating >was >considered to be only operational insulation. > This reminds me of a product we made about 10 years ago. We put MOV's on a terminal block in the primary circuit to solve a problem. Had no trouble with that but I recall one of the agencies (UL, CSA, TUV) made us put heatshrink over the body of each MOV. Now I find out why.
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