Quick Ship Product Center › BLDC Motor Driver - DS-OLBS4-FRS4 Image 1 of 1 BLDC Motor Driver - DS-OLBS4-FRS4 $128.75 Power Supply: 24 - 48 VDCOutput Current: 10ACommunication: RS485 + Analog Voltage Speed Control Add To Cart Added! Power Supply: 24 - 48 VDCOutput Current: 10ACommunication: RS485 + Analog Voltage Speed Control