FS: for those who still have solenoid snap switch machines here¡¯s the power supply we all used, built up from tri-delt kits 3 snap action power supply¡¯s.with 15,000MFD you had to be careful. And 1 with a 5000 mfd supply. If not for your switch machines would make a great Stay-Alive DCC add on, good for 2 weeks. Listed cause somebody is still old school, $18 plus shipping Dave jakkubiec 48150, 734 PayPal mo Thank you