A MOV does not catch on fire, its other components that are placed
incorrectly that are the problem.
Carl
KM1H
------ Original Message -----
From: "Ken Brown" <ken.d.brown@hawaiiantel.net>
To: "Jim Thomson" <jim.thom@telus.net>
Cc: <amps@contesting.com>
Sent: Thursday, November 25, 2010 12:53 PM
Subject: [Amps] MOVs
> >
>> A similar thing happened with garden variety 130 v rated MOV's....
>> too many house fires. Modern MOV's for 120/240 v use, will have a 3rd
>> lead sticking out [offset to one side]
>> and an internal fuse built into em.
>>
>>
> I don't understand how this can be a useful device. I thought that MOVs
> were supposed to draw lots of current, instead of letting it got
> elsewhere causing damage to more expensive and sensitive electronics. I
> had always thought of MOVs as sort of "sacrificial" devices, intended to
> blow up under the worst power surges, and mounted inside a metal
> cabinet so that when they do blow up nothing else is damaged. I would
> never mount an MOV where it could set fire to something else.
>
> DE N6KB
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