Reply to "Prewar and Postwar versions of Lionel switches - observations and questions"

I have some that work well at 9 volts, and some require more voltage. I have not yet discovered the difference.

Recently I bought some 711 switches, and they seem to like more voltage than the post war 022s. I just checked the coil resistance on these switches and it is 8.6 ohms. The coil resistance of the 022s is 6.5-7 ohms. A ZW has a maximum output voltage of 20 volts and a Type V has a maximum output voltage of 25 volts which is in line with the coil resistances.

Two of the 711 switches that I have use large flat head screws rather than the 4-36 screws that new switches use. The coils I measured were on a switch motor that uses the flat head screws.

7/19/1411:56 AM

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