Product Introduction
When a CNC system suffers from power supply instability, the FANUC A06B-6077-H106 servo power converter provides reliable DC power conversion. Designed for precision manufacturing environments, this power supply module ensures steady voltage output between 283 and 325 VDC, even under fluctuating industrial conditions. The A06B-6077-H106 belongs to the ALPHA power supply family and accepts 200 VAC input at 50/60 Hz.
Technical Specifications
The following table outlines the critical parameters of the FANUC A06B-6077-H106:
| Specification |
Value |
| Manufacturer |
FANUC |
| Product Type |
Servo Power Converter (Power Supply Module) |
| Product Line |
A06B |
| Rated Current |
26 A |
| Input Voltage |
200 VAC |
| Output Voltage Range |
283 - 325 VDC |
| Power Rating |
6.8 kW |
| Cooling Method |
Air Cooled |
| Mounting |
Vertical / Wall-mounted |
| Operating Temperature |
0°C to 55°C |
| Protection Features |
Overload, Overcurrent, Overvoltage |
| Weight |
15.00 lbs (6.80 kg) |
| Power Supply Type |
ALPHA Power Supply |
| Frequency |
50/60 Hz |
Industry Applications
The FANUC A06B-6077-H106 is primarily used in CNC machine tools, such as milling centers, lathes, and machining centers. In automated production lines, this module powers servo drives for precise axis motion. Its robust protection features make it suitable for environments with voltage sags or transient overloads. For example, in a high-speed machining cell, the A06B-6077-H106 ensures consistent power delivery even during rapid acceleration and deceleration cycles, reducing the risk of drive faults.
Maintenance & Reliability
To maximize the lifespan of the FANUC A06B-6077-H106, perform regular inspections every 6 to 12 months. Check for dust accumulation on the air-cooled heatsink, as restricted airflow can cause thermal derating. Verify that input voltage stays within 200 VAC ±10% to avoid overvoltage trips. The module's built-in overload and overcurrent protection helps prevent damage during abnormal conditions, thus reducing unscheduled downtime. Replacing a failed power supply quickly can save hours of production loss, making this module a cost-effective choice for CNC operations.
Troubleshooting & Common Issues
If the FANUC A06B-6077-H106 fails to power up, first check the input voltage. A blown input fuse or tripped circuit breaker is a common cause. If the output voltage is absent but the input is good, an internal overvoltage event may have triggered the protection circuit. Cycle input power to reset. For intermittent operation, inspect the cooling fan (if present) or ensure ambient temperature stays below 55°C. Overload conditions at the servo drive can also cause the A06B-6077-H106 to shut down; reduce mechanical load or verify motor parameters. Always consult the system manual for proper wiring and mounting orientation to avoid ground faults.
Selection Guide & Purchasing Advice
Before purchasing the FANUC A06B-6077-H106, confirm your system's power requirements. Ensure input voltage is 200 VAC and that the total servo power draw does not exceed 6.8 kW. The module mounts vertically or on a wall, so allow adequate clearance for airflow. When sourcing replacements, verify compatibility with your specific CNC model and ALPHA power supply type. PLC Source PRO keeps this model in stock for quick shipment. If you need assistance matching the A06B-6077-H106 to your application, contact our technical team at ubest101 for personalized support.