Reply to "Rewind Fastrack Uncoupler Magnet"

PLCProfOGR Forum Member

Just measured a NIB Fastrack uncoupler, 5 ohms, 10 milliHenries.

28 AWG is .064 ohms/foot, 5/.064 = 78 feet = 937 inches. This all assumes the coil is really #28. I didn't verify that, but I have no reason to doubt it.

Regarding protecting the coil with resettable fuses, I use a .5A hold, 1A trip device. I run my uncouplers on a fixed 14 volts.

12/17/1710:54 AM

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