Fanuc Alpha A06B-6104 aSPM HV spindle drive. CNC West offers a large inventory of Fanuc high voltage Alpha Spindle Power Modules for service exchange and outright (exchange stock permitting), as well capability and service too fault diagnose, repair, rebuild, refurbish and test within our closed loop Fanuc test rigs.. Stocks include type 1 & 2 which power 11Kw thru too 75Kw spindle motors full testing facilities. These Fanuc alpha spindle amplifier modules are the second generation of HV Alpha spindle and CNC West offers 180 day warranty on exchange and repairs of the A06B-6104 series.