Quick Ship Product Center › BLDC Motor Driver - DS-OLBS4-FRS4 Image 1 of 1 BLDC Motor Driver - DS-OLBS4-FRS4 $125.00 sold out Power Supply: 24 - 48 VDCOutput Current: 10ACommunication: RS485 + Analog Voltage Speed Control Sold Out Added! Power Supply: 24 - 48 VDCOutput Current: 10ACommunication: RS485 + Analog Voltage Speed Control