Unusual MCB

Sparkymania over 5 years ago

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

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

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0 Chris Pearson over 5 years ago

Here's one which was almost certainly installed in 1982. Definitely made in England. It was in a 4-way metal CU which served a garage and outbuildings. Only two ways were used - this was one of the spares. At least the test button worked!
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0 Chris Pearson over 5 years ago

Here's one which was almost certainly installed in 1982. Definitely made in England. It was in a 4-way metal CU which served a garage and outbuildings. Only two ways were used - this was one of the spares. At least the test button worked!
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Unusual MCB

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