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Unusual MCB

Sparkymania
Here's an interesting one.

Federal Electric 20A MCB. Had no type on it and was taking a long time to trip. Opened one up and discovered why it didn't have a type.

Others with it were ECC but virtually the same design. Only thermal. Both are plug in types called stab-lok and are bakerlite.


No instantaneous trip mechanism. Only a thermal one.



34200b5e07a12e120f5fc679b8b1b9aa-huge-mcb-with-no-instantanious-trip-mechanism-4.jpg
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    John Peckham:

    If I see them I recommend a board change.


    Well I was going to invite you round, but in that case ...


    Mine all have orange dollies.


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  • 0
    John Peckham:

    If I see them I recommend a board change.


    Well I was going to invite you round, but in that case ...


    Mine all have orange dollies.


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