Fanuc ai Power Supply 400VAC-input A06B-6120-C075

A06B-6120-C075 is another variant from the FANUC Alpha i drive system. While the exact “C075” suffix is not widely listed, it corresponds functionally to the better-documented A06B-6120-H075, so its description is well understood.

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🔧 Description (A06B-6120-C075)

Type: Alpha i Series Power Supply Module (PSM)
Model Class: PSM-75HVi (approx. 75 kW class)

👉 In simple terms:
It is a main DC power supply unit used inside FANUC CNC drive systems.

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⚙️ Function

• Converts 3-phase AC input (400–480V) into high-voltage DC
• Supplies power to:
  • Servo amplifiers (axis drives)
  • Spindle amplifiers
• Provides a common DC bus for the entire drive system

These modules are essential for CNC machines like machining centers and lathes.

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⚡ Typical Technical Characteristics (75 class module)

(Based on equivalent H075 model)

• Input: 400–480V AC, 3-phase
• Output: ~565–679V DC
• Power rating: ~75–82 kW
• Heavy-duty industrial design with cooling and protection circuits

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🧩 Series Context

• Belongs to A06B-6120 series (Alpha i Power Supply Modules)
• Works with FANUC αi servo/spindle systems
• Installed in CNC electrical cabinets
• Feeds multiple servo axes and spindle drives simultaneously

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📌 About “C075” suffix

• The “C075” indicates a specific version / configuration / revision
• Core functionality remains the same as H075 (PSM-75HVi class)
• Differences are usually:
  • Regional specs
  • Firmware or interface revision
  • Minor hardware variations

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✔️ Simple explanation

👉 A06B-6120-C075 = High-power FANUC CNC power supply module (~75 kW class) that powers all servo and spindle drives in the machine.