Jeffrey Angus writes:

On 8/30/2011 10:38 AM, David Lesher wrote:
Well anytime you run transformers {Be they two fixed windings,
or one fixed and one rotating aka motor, or one fixed&
one sliding aka solenoid or relay....} on LESS than design
frequency, worry. Lower frequencies need more iron.

Hasn't anybody read the original question?

I have.

He wants to know if a 50 Hz relay coil will work at 60 Hz.

And that's my point; if it were the other way, he SHOULD worry.
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