Motor starter MDR 3 - CSDU-M

star-deltafor compressors

CSDU-M Star/Delta Connection with pressure switch MDR 3. The Star-delta connection is used in order to reduce high currents when starting electric motors. With this 2-stage starter the inrush current (star circuit) is reduced by 1/3 of the height to be expected when starting the motor directly. The Condor Pressure Control CSDU offers the possibility to operate a motor until 7.5 kW using public supply networks. Standard version and options: > stable and compact housing (w 200 x h 240 x d 140 mm) > completely pre-wired and ready for connection > equipped with Condor pressure switch MDR 3, in function as main contactor (available in different variations - see main catalogue) > unloader valves > ON-OFF-switch > hour meter (optional) > overload relay (optional) > shunt release or undervoltage release (optional) > phase sequence monitoring and phase drop monitoring (optional) .. Other options available on request