Is this 1974 LEGO transformer still functional?

The item is listed as a single piece from the 1974 set, 741-1, but functionality cannot be guaranteed without testing.

How rare is the 741-1 piece?

As a single piece from a 1974 set, it is considered a rare component for 12V themed collectors.

This transformer belongs to the classic LEGO 12V theme.

Name: LEGO 12V New Transformer for 220V Pack (741-1)
Brand: LEGO

12V

12V · 1974

Theme · 12VPieces · 1Set Number · 741-1Year · 1974

Used

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New / Sealed

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Is this 1974 LEGO transformer still functional?: The item is listed as a single piece from the 1974 set, 741-1, but functionality cannot be guaranteed without testing.
How rare is the 741-1 piece?: As a single piece from a 1974 set, it is considered a rare component for 12V themed collectors.
What is the theme associated with this transformer?: This transformer belongs to the classic LEGO 12V theme.