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Is the OVP 5 A CB supposed to trip when I switch off the a

 
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nuckolls.bob(at)aeroelect
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PostPosted: Sun May 27, 2018 1:12 pm    Post subject: Is the OVP 5 A CB supposed to trip when I switch off the a Reply with quote

At 02:37 PM 5/27/2018, you wrote:
Quote:
--> AeroElectric-List message posted by: "user9253" <fransew(at)gmail.com>

Now all we have to do is figure out how the O.V. module tripped the circuit breaker with the switch open. The only thing that I can think of is that it happened during the time that an arc was jumping across the opening contacts.

Oh . . . THAT diode. . . missed that part of the
thread . . .

[img]cid:7.1.0.9.0.20180527160500.05edfe98(at)aeroelectric.com.0[/img]

Quote:

Is that long enough to trip a breaker? Or maybe it is not wired like Z-16. Instead maybe the O.V. module is connected to the other side of the switch. The O.V. module will still function OK if it is.
Anyway, glad it is working for you Will.

I've seen this before . . . field collapse spikes
on a beefy relay have been known to irritate the
crowbar ovm. Had a Europa builder in Wichita having
a similar problem with the avionics master relay
in his EXP Bus system. Tacked a diode across the
relay coil and order was restored in the universe.



Bob . . .


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