CDU4C BLOCK SIGNALLING CAPACITOR DISCHARGE UNIT.
BLOCKsignalling CDUs provide a high current pulse to operate points motors.
Protects against coil burn-out by limiting subsequent current.
Regulates charging current to prevent voltage fluctuations on the rest of the layout.
Recharging time typically 0.8 seconds.
Maximum input voltage 15V AC or 25V DC
Suitable for larger layouts.