ebm-papst 950.10041.VProduct Attribute Attribute Value Alternate Mfr Part Number VTD 48. 20 K4S or VZ. VTD4820K4 For Use With 3 Phase BLDC Motors IP Rating IP20 Phase Three Phase Series VZ Series Type BLDC Motor Controller Voltage Rating 48 V Overview ebm papst VZ Series Brushless DC (BLDC) Controller: With nominal voltages of 24 and 48 VDC, power outputs of up to 1,000 W are possible at a constant current of 40 A. Peak currents of up to 100 A are available for up to a