Skip to main content
Added secondary voltage to the image for clarity
Source Link

Given a transformer with a dual primary winding (generally used to step down a series 220v or paralel 110v), can I instead hook up one winding to a 110v input and use the second as an isolated 110v output?

Diagram of transformer connectionsDiagram of transformer connections

What kind of power restrictions or undesired behavior might this cause?

EDIT: This transformer, for example: http://mouser.com/ds/2/410/media-1067445.pdf

EDIT2: Added 24v to the image secondary coil for clarity

Given a transformer with a dual primary winding (generally used to step down a series 220v or paralel 110v), can I instead hook up one winding to a 110v input and use the second as an isolated 110v output?

Diagram of transformer connections

What kind of power restrictions or undesired behavior might this cause?

EDIT: This transformer, for example: http://mouser.com/ds/2/410/media-1067445.pdf

Given a transformer with a dual primary winding (generally used to step down a series 220v or paralel 110v), can I instead hook up one winding to a 110v input and use the second as an isolated 110v output?

Diagram of transformer connections

What kind of power restrictions or undesired behavior might this cause?

EDIT: This transformer, for example: http://mouser.com/ds/2/410/media-1067445.pdf

EDIT2: Added 24v to the image secondary coil for clarity

Tweeted twitter.com/StackElectronix/status/902604734175043584
Added example transformer
Source Link

Given a transformer with a dual primary winding (generally used to step down a series 220v or paralel 110v), can I instead hook up one winding to a 110v input and use the second as an isolated 110v output?

Diagram of transformer connections

What kind of power restrictions or undesired behavior might this cause?

EDIT: This transformer, for example: http://mouser.com/ds/2/410/media-1067445.pdf

Given a transformer with a dual primary winding (generally used to step down a series 220v or paralel 110v), can I instead hook up one winding to a 110v input and use the second as an isolated 110v output?

Diagram of transformer connections

What kind of power restrictions or undesired behavior might this cause?

Given a transformer with a dual primary winding (generally used to step down a series 220v or paralel 110v), can I instead hook up one winding to a 110v input and use the second as an isolated 110v output?

Diagram of transformer connections

What kind of power restrictions or undesired behavior might this cause?

EDIT: This transformer, for example: http://mouser.com/ds/2/410/media-1067445.pdf

Source Link

Can I use a dual primary transformer to generate isolated 110v output?

Given a transformer with a dual primary winding (generally used to step down a series 220v or paralel 110v), can I instead hook up one winding to a 110v input and use the second as an isolated 110v output?

Diagram of transformer connections

What kind of power restrictions or undesired behavior might this cause?