Product overview The Parker 590P-53270020-P00-U4A0 is a DC motor speed controller from the DC590+ Integrator series, built on the 590P (regenerative) platform. It is rated for a maximum armature current of 70 A and a maximum armature voltage of 600 V dc, fed from a 220–500 V ac three-phase supply, with a 500 V ac field supply and a maximum field current of 10 A. The unit is supplied with its operator keypad fitted and an English language interface. As a member of the 590P