[GreenKeys] WU Modeal 2-A "Iron Horse" doesn't strike

[Duncan Brown]

On 28-Jul-18 11:40, Ethan Blanton wrote:
> Curent through the two coils in series (checked by closing the circuit
> via a DVM) is 162 mA.  That yields an AC impedance of 572 ohms plus
> the DC resistance of 156 ohms, which seems within the realm of
> plausible. Unfortunately I don't know what the current draw or AC
> impedance are *supposed* to be.  That's a 20 W solenoid, though, which
> I would expect to put out far more than a couple of ounces of force
> even if it's rather inefficient.
>
Ethan,

Are you putting 120V_AC_ or 120V_DC_ on the coils??

The solenoids are designed for 120V*_DC_* (should be a label on the back)

I don't know what the DC current should be on that unit, but the punch 
on the M19 takes almost one amp.

Good luck & have fun,

Duncan,
K2OEQ


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