FANUC A06B-6064-H040 AC spindle servo unit. This serial anodized 40kW is the mid sized metal framed drive and has its own set of serial controller pcbs for interfacing back to the CNC. This spindle unit normally powers a Model 40S spindle motor, or 60P low speed motor for punch press machines such as AMADA or LVD. DNC carry this 40kW spindle drive in stock available for sale on an exchange basis, as well offering extensive testing and repair services and parts. The control pcbs are available also as well transistor modules and fuses for this drive. DNC can test your drive A06B6064H040#H550 and motor, so if your not sure then contact us for more information.