Peco PL-35 Capacitor Discharge Unit For use with all solenoid type point motors such as Peco PL-10 / PL-11 or Seep PM-1, PM1Buffers, PM-2 or PM-4. Connect to the 16v ac supply on your transformer. The capacitor in the unit stores up power and discharges a 'kick' to ensure turnout blades 'snap over' every time. Connected to turnouts via switches such as PL-26, R044, A280-15 or probe and studs PL-17 / PL18 Will operate one turnout at a time.