Description
🔧 FANUC A06B-6141-C030 – Full Description
The A06B-6141-C030 is the maximum-class high-power servo amplifier module from FANUC’s Alpha i (αiSV) series, designed to drive extremely large and heavy-duty servo motors in industrial CNC machinery. It represents the top-of-the-line in the 6141 C-series, handling the highest torque and current loads available in this series.
📌 Basic Identification
- Part Number: A06B-6141-C030
- Type: Servo Amplifier / Servo Drive
- Series: A06B-6141 (αiSV series)
- Model Class: ~30 kW (maximum high-power class)
- Application: CNC axis control for ultra-heavy axes
⚙️ Function
This module provides:
- 🌀 Precision position, speed, and torque control
- ⚡ Maximum torque output for extremely heavy axes
- 🔄 Smooth acceleration & deceleration under extreme load
- 🎯 Closed-loop control with encoder feedback
Essentially, it converts very high electrical power into precise, high-torque motion for the largest CNC axes.
⚡ Technical Overview
- Power Class: ~30 kW
- Input Supply: DC bus (~283–339V DC typical in FANUC αi systems)
- Output Voltage: Up to ~240 VAC to motor
- Cooling: Heavy-duty forced air with heat sinks
- Communication: FANUC serial servo interface (FSSB)
⚡ Includes regenerative braking, feeding energy back to the DC bus during deceleration.
🧩 Key Features
- ⚙️ Highest-power module in the 6141 series
- 🔗 Fully compatible with FANUC CNC controllers
- 🎯 Extremely stable under ultra-heavy loads
- 🔧 Supports repair, refurbishment, and exchange programs
- ⚡ Efficient and reliable for the most demanding industrial environments
🧩 Applications
Used in:
- Ultra-large CNC machining centers
- Gantry or portal machines
- Heavy-duty milling, boring, and turning axes
- Large rotary tables and high-load auxiliary axes
Ideal for extremely heavy axes requiring ~30 kW servo drive power.
🔧 Internal Construction
Components typically include:
- Power PCB (A16B-2203 series)
- Control PCB (A20B series)
- High-current IGBT modules
- Heavy-duty forced-air cooling with heat sinks
⚠️ Usually repaired as a complete module, not at PCB-level.
🚨 Common Fault Symptoms
- Axis not moving
- SERVO / SV / ALM alarms
- Overcurrent or overload trips
- Axis stops under extreme load
- Drive fault LED ON
📊 Position in FANUC Range (6141 C-Series)
| Model | Power |
|---|---|
| C002 | ~2.2 kW |
| C006 | ~5.5 kW |
| C011 | ~11 kW |
| C015 | ~15 kW |
| C022 | ~22 kW |
| C026 | ~26 kW |
| C030 | ~30 kW (maximum-class high-power) |
C030 = Top-tier module in the 6141 series for the largest, heaviest CNC axes
🔄 Related Modules
- C026: Extreme high-power (~26 kW)
- C022: Ultra high-power (~22 kW)
All share the αiSV platform, differing mainly in current capacity, torque output, and cooling requirements.
✅ Summary
A06B-6141-C030
➡️ FANUC Alpha i AiSV servo amplifier
➡️ Designed for ~30 kW servo motors
➡️ Used in ultra-heavy-duty CNC axis applications
➡️ Maximum power, fully compatible with FANUC CNC systems, and ideal for largest industrial machines