FANUC Spindle Amplifier Module

Model : A06B-6111-H022#H550

Applications in CNC Machining

  • Milling Machines – maintaining spindle speed for cutting metals, plastics, composites.

  • Turning Centers (Lathes) – precise spindle rotation for turning, threading, and facing.

  • Drilling & Boring Machines – regulating torque for hole-making and finishing.

  • Grinding Machines – controlling spindle RPM for ultra-precision surface finishing.

 Maintenance & Best Practices

  • Ensure proper cooling/ventilation to avoid overheating.

  • Check input voltage stability to prevent amplifier damage.

  • Allow full 20+ minutes discharge time before servicing to avoid electric shock.

  • Inspect regularly for loose connections, dust, or oil contamination.

Monitor error/alarm codes (displayed on status LED) to troubleshoot issues early

Parameter

Value

Model No.

A06B-6111-H022#H550

Type

Spindle Amplifier Module

Rated Input Voltage

283 – 339V AC

Rated Power

25.2 kW

Maximum Output Voltage

240V

Rated Output Current

95A

Manufacturer

FANUC LTD (Japan)

Standard Compliance

EN50178, UL508C

Manual Reference

B-65282

Discharge Time

> 20 minutes (capacitor discharge safety)