Fanuc A06B-6089-H206 SVU2-4040 Servo Amplifier Unit. This dual axis GE Fanuc SVU2-4040 Servo amp is used within many CNC machines using type B interfaced ALPHA drive system.The A06B6089H206 is in stock available for same day shipping. This unit can be purchased exchange. Alternatively we offer extensive testing and repair facilities on this drive unit. Normally the SVU2-4040 drives the following Fanuc Servo motors a63000, a122000. Exchange for speed (delivery same day or the fastest possible route to your factory) and repair if cost is more important than time considerations.