Fanuc ai Spindle Amplifier 400VAC-input A06B-6121-H030

A06B-6121-H030 is a Fanuc Corporation Alpha series servo amplifier module, used in CNC machine tool axis drive systems.

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🔧 A06B-6121-H030 – Description

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

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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
• Works as a single-axis drive unit in CNC systems
• Includes protection features (overcurrent, overheating, fault detection)

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🧩 Model breakdown

• A06B → Fanuc servo/drive family
• 6121 → Alpha compact/single-axis amplifier series
• H030 → High-capacity variant (higher than H015)

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🔁 Position in 6121 series

Typical progression:

• H006 → low/medium capacity
• H011 → medium capacity
• H015 → high capacity
• H030 → very high capacity single-axis drive

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🆚 6121 vs other Fanuc series

• 6121 series → Compact single-axis amplifiers
• 6112 series → Older multi-axis Alpha amplifiers
• 6142 series → Alpha i series (newer, improved diagnostics & communication)

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🏭 Typical applications

• CNC machining centers
• CNC lathes
• Heavy axis loads requiring strong single-axis drive
• Modular CNC drive configurations