Fanuc ai Spindle Amplifier 400VAC-input A06B-6121-H015

A06B-6121-H015 is a Fanuc Corporation Alpha series servo amplifier module, used in CNC machine tool drive systems.

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🔧 A06B-6121-H015 – Description

• Type: Servo amplifier (Alpha series, compact/single-axis type)
• Function: Drives one CNC servo motor (axis control)
• Role: Axis drive module in CNC systems

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⚙️ What it does

This module:

• Converts DC bus power into controlled 3-phase output
• Controls position, speed, and torque of a servo motor
• Operates as a single-axis amplifier in most configurations
• Includes protection (overcurrent, overheating, short circuit)

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🧩 Model breakdown

• A06B → Fanuc servo/drive family
• 6121 → Alpha compact/single-axis amplifier series
• H015 → Higher-capacity variant (above H011)

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🔁 Position in 6121 series

Typical range:

• H006 → medium capacity
• H011 → medium–high capacity
• H015 → high capacity single-axis drive

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🆚 6121 vs other Fanuc series

• 6121 series → Compact, single-axis servo modules
• 6112 series → Older multi-axis Alpha amplifiers
• 6142 series → Alpha i series (newer, more advanced diagnostics + communication)

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🏭 Typical applications

• CNC machining centers
• CNC lathes
• Modular axis drive systems
• Machines needing compact but higher-power axis control