Tyson Capacitor Discharge UnitMeet the Tyson, it's got a knock out punch! Connect this unit to your points and it will deliver a knock out punch of energy from it's huge twin capacitors ensuring your points switch reliably every time. This capacitor discharge unit (CDU) is suitable for most standard sized layouts switching one or two point motors simultaneously. Need even more power? Our Tyson Xtra version is perfect for larger layouts switching multiple point motor solenoids at