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ZNR transient suppressors / Makita DC18RA charger
In what circumstances do they fail open versus low ohmic
Specifically panasonic ZNR V10 241U A Yankee in Limeyland with a Makita fast battery charger misreads 110V~240W as 110V~240V and connects to 240V mains and a fatal sizzle. The transient suppressor , in there to suppress transients not sustained overvoltage, seems to have protected the electronics by going ohmic and blowing the 8amp internal fuse and part shattering itself in the process. But 8 amps seems to be a tall ask for such a small device, was he just lucky? |
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