Description
🔧 FANUC A06B-6141-C037 – Full Description
The A06B-6141-C037 is an extremely high-power servo amplifier module from FANUC’s Alpha i (αiSV) series, designed for very large, heavy-duty servo motors in CNC and industrial automation. It surpasses the previous C030 module in maximum power handling, making it suitable for the heaviest CNC axes and largest industrial machines.
📌 Basic Identification
- Part Number: A06B-6141-C037
- Type: Servo Amplifier / Servo Drive
- Series: A06B-6141 (αiSV series)
- Model Class: ~37 kW (extreme 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 ultra-heavy axes
- 🔄 Smooth acceleration & deceleration under extreme load
- 🎯 Closed-loop control with encoder feedback
Converts very high electrical power into precise, high-torque motion for the largest CNC axes and industrial machines.
⚡ Technical Overview
- Power Class: ~37 kW
- Input Supply: DC bus (~283–339V DC typical in FANUC αi systems)
- Output Voltage: Up to ~240 VAC to servo motor
- Cooling: High-capacity forced air cooling with heavy-duty heat sinks
- Communication: FANUC serial servo interface (FSSB)
⚡ Features regenerative braking, returning energy to the DC bus during deceleration.
🧩 Key Features
- ⚙️ Top-tier, ultra high-power module
- 🔗 Fully compatible with FANUC CNC controllers
- 🎯 Stable under extreme load and heavy-duty operation
- 🔧 Supports repair, refurbishment, and exchange programs
- ⚡ Efficient and reliable for the largest CNC machines
🧩 Applications
- Large CNC machining centers
- Gantry / portal-type machines
- Heavy-duty milling, boring, and turning axes
- Very large rotary tables or auxiliary high-load axes
Ideal for ultra-heavy axes requiring ~37 kW servo power.
🔧 Internal Construction
Components typically include:
- Power PCB (A16B-2203 series)
- Control PCB (A20B series)
- High-current IGBT modules
- Heavy-duty forced-air cooling system
⚠️ Typically serviced as a complete module, not individual PCB repair.
🚨 Common Fault Symptoms
- Axis does not move
- 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 |
| C037 | ~37 kW (ultra-extreme high-power) |
C037 = Highest-class standard module for ultra-heavy axes in the 6141 C-series
🔄 Related Modules
- C030: Maximum high-power (~30 kW)
- C026: Extreme high-power (~26 kW)
All share the αiSV series platform, differing in current rating, torque capacity, and cooling requirements.
✅ Summary
A06B-6141-C037
➡️ FANUC Alpha i AiSV servo amplifier
➡️ Designed for ~37 kW servo motors
➡️ Used in ultra-heavy-duty CNC axis applications
➡️ Highest-power module in the 6141 series, ideal for largest and most demanding industrial CNC machines