Fanuc ai Power Supply 200VAC-input A06B-6140-C055

FANUC A06B-6140-C055 Servo Amplifier / Power Supply Module (αi Series)

The A06B-6140-C055 from FANUC is a high-capacity αi series power supply module (AiPS-55 class) designed for large CNC machines and heavy-duty industrial automation systems. It delivers stable, high-power DC output to servo and spindle amplifiers, ensuring precision motion control, reliability, and continuous operation in demanding environments.

Detailed Product Description 

The FANUC A06B-6140-C055 is part of the advanced A06B-6140 αi drive system, a newer-generation platform known for improved efficiency, thermal stability, and diagnostics. This module converts three-phase AC input (200–240V) into a regulated DC bus voltage used to power multiple servo and spindle drives within CNC systems.

As a centralized power supply unit, it ensures synchronized energy distribution across all machine axes, which is essential for maintaining machining accuracy, reducing vibration, and supporting high-speed production.

Built for heavy-duty applications, this module is widely used in large machining centers, multi-axis CNC systems, and automated production lines where consistent high-capacity power is critical.

Key Features & Benefits

Ultra High Power Capacity (AiPS-55 Class)
Delivers up to 65 kW output power, making it suitable for large CNC systems and high-load industrial applications

Stable DC Bus Voltage
Provides regulated 283–339V DC output, ensuring smooth and reliable servo and spindle performance

High Current Capability
Supports high output current (approx. 200A+ range), enabling stable operation under heavy machining loads

Optimized for FANUC αi Systems
Fully compatible with FANUC αi servo and spindle amplifiers for seamless integration and synchronized multi-axis control

Efficient Power Distribution
Supplies centralized DC power to multiple drive units, improving system efficiency and reducing electrical losses

Robust Industrial Construction
Engineered for continuous-duty operation in harsh environments including heat, vibration, and load fluctuations

Advanced Protection & Diagnostics
Includes built-in protection against overvoltage, overcurrent, and overheating for safe and reliable operation

Technical Specifications (Typical)

• Model: A06B-6140-C055
• Series: FANUC αi Series (A06B-6140)
• Type: Power Supply Module (AiPS-55)
• Input Voltage: 200–240V AC (3-phase)
• Output Voltage: 283–339V DC
• Power Rating: ~65 kW
• Output Current: ~200–234A (class range)
• Frequency: 50/60 Hz
• Cooling: Forced air cooling
• Application Class: Heavy-duty CNC systems

Applications

• Large CNC machining centers
• Heavy-duty turning and milling machines
• Multi-axis automated production lines
• Robotics-integrated manufacturing systems
• High-speed precision machining environments

Advantages

• Ensures high-capacity, stable power delivery
• Improves machining accuracy and repeatability
• Supports large multi-axis CNC operations
• Reduces downtime with reliable industrial performance
• Enhances overall system efficiency and lifespan