Fanuc ai Spindle Amplifier 400VAC-input A06B-6151-H011

The part number A06B-6151-H011 is a spindle amplifier module from FANUC, used in CNC machines for controlling the spindle motor.

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🔧 Description

• Type: Spindle Amplifier (Spindle Drive Unit)
• Series: FANUC αi (Alpha i) Spindle Amplifier Series
• Model: AiSP-11HV (SP 11HV)
• Input Class: 400V AC

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⚙️ Function

• Drives the main spindle motor of a CNC machine
• Converts CNC controller commands into electrical power
• Controls:
  • Spindle speed (RPM)
  • Torque output
  • Acceleration / deceleration

👉 It is responsible for cutting performance and spindle stability during machining.

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📊 Key Technical Details

• Model Type: αi SP 11HV spindle module
• Rated Output Current: ~23 A
• Voltage Class: 400 VAC (high-voltage type)
• Design: Compact (~90 mm width) with internal + external cooling
• Feedback: Standard αi spindle motor sensor interface

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🧩 Features

• High-speed, precise spindle control
• Built-in diagnostics (LED display for alarms/status)
• Integrated cooling system (fans + heat sink)
• Designed for continuous industrial use
• Compatible with FANUC CNC systems and αi spindle motors

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🏭 Applications

Used in:

• CNC machining centers
• CNC lathes
• Milling and drilling machines

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🔁 Position in FANUC Range

• H006 → ~5.5 kW (small spindle drive)
• H011 → ~11 kW class (medium spindle drive)
• H075 / H100 → high-power spindle drives

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✔️ Simple Summary

A06B-6151-H011 = FANUC αi spindle amplifier (≈11 kW class, 400V) used to control the main spindle motor in CNC machines.