Fanuc ai Spindle Amplifier 400VAC-input A06B-6151-H100

The part number A06B-6151-H100 is a high-power spindle amplifier module from FANUC used in CNC machines.

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🔧 Description

• Type: Spindle Amplifier (AC Spindle Drive)
• Series: FANUC αi (Alpha i) Spindle Amplifier Series
• Model: AiSP-100HV
• Voltage class: 400V industrial CNC spindle drive

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⚙️ Function

• Drives the main spindle motor in CNC machines
• Converts CNC controller commands into high-power 3-phase output
• Controls:
  • Spindle speed (RPM)
  • Torque
  • Acceleration / braking

👉 It is designed for very heavy-duty machining applications where large spindle motors are used.

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📊 Key technical overview

• Power class: about 100 kW range (largest in this family)
• Input supply: ~400–480 VAC industrial supply
• Part of: αi SP spindle module family (A06B-6151 series)
• Used in: large CNC machining centers and heavy industrial equipment

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🏭 Applications

• Large machining centers
• Heavy-duty CNC lathes
• Deep cutting / high-torque milling machines
• Industrial production lines with large spindle loads

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🔁 Position in the A06B-6151 range

• H006 → ~5.5 kW (small spindle)
• H011 → ~11 kW
• H015 → ~15 kW
• H030 → ~30 kW
• H045 → ~45 kW
• H075 → ~75 kW
• H100 → ~100 kW (top-end heavy spindle drive)

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✔️ Simple summary

A06B-6151-H100 = FANUC αi spindle amplifier (~100 kW class), used to drive the largest CNC spindle motors for heavy industrial machining.