FANUC A06B-6117-H303 Servo Amplifier 1.5kW 3-Axis

A06B-6117-H303 FANUC 3-Axis Servo Amplifier Module

Product Introduction

The FANUC A06B-6117-H303 servo amplifier module offers a versatile platform for controlling multiple motion axes simultaneously. This unit belongs to the renowned A06B product family and excels in applications requiring coordinated servo control across three motors. First, it accepts a DC input voltage between 283 and 339 VDC, which ensures compatibility with common industrial power infrastructures. Furthermore, it converts this DC supply into a three-phase AC output from 200 to 240 VAC, perfectly matching standard FANUC servo motor requirements. Its rated input power of 1.5 kW makes it an energy-efficient choice for medium-duty operations, while the three-axis design reduces cabinet space compared to using separate single-axis amplifiers.

Technical Specifications

The A06B-6117-H303 provides remarkable speed regulation through its adjustable output frequency range of 0.1 – 800 Hz. This broad spectrum enables precise control from creeping speeds to high-velocity rotation for each connected axis. For current delivery, this module supplies a rated output current of 3A for the L-axis, another 3A for the M-axis, and 3A for the N-axis, making it a true 3-axis amplifier with balanced power distribution. Its input frequency tolerance covers both 50 Hz and 60 Hz, so it adapts effortlessly to power grids across different regions. Meanwhile, the built-in overcurrent and short-circuit protection mechanisms safeguard both the module and the connected motors, significantly extending system longevity.

Environmental and Mechanical Parameters

Operating conditions play a vital role in the performance consistency of the FANUC A06B-6117-H303. To that end, this module operates reliably within an ambient temperature range of 0°C to 55°C. This wide thermal envelope ensures stable functionality even inside warm control cabinets or near other heat-dissipating equipment. Moreover, it can handle relative humidity levels up to 90% RH, as long as no condensation occurs within the housing. These environmental ratings make the module well-suited for factories with variable climate conditions, from air-conditioned clean rooms to non-climate-controlled production floors. Weighing just 6.80 kg, its lightweight construction facilitates easier handling and mounting during system assembly.

Installation Guidance

Proper installation of the A06B-6117-H303 directly affects its operational reliability and heat management. First, mount the unit vertically onto a flat, electrically conductive backplate to promote natural convection cooling. Leave at least 10 cm of clearance above and below the module for unobstructed airflow. Use twisted-pair shielded cables for all encoder feedback connections to minimize electromagnetic interference from nearby power lines. Next, secure the DC bus terminals with the recommended torque settings to prevent resistive heating at the connection points. Connect the protective earth ground directly to the panel's main grounding bar. Before initial power-up, always double-check that the input voltage remains strictly within the specified 283–339 VDC window.

Packaging List

Your shipment of the FANUC A06B-6117-H303 includes the following items:

• 3-axis servo amplifier module (1 unit)

• Mounting hardware kit (screws and washers)

• Terminal block connectors for power, motor, and control signals

• Quick-start installation guide

• Protective covers for unused connector ports

Note: Motor cables, external braking resistors, and communication cables are not included and must be ordered separately.

Shipping & Delivery

We ship all orders promptly via FedEx, UPS, or DHL with full tracking capabilities. Each unit receives careful packaging using anti-static bags and impact-absorbing foam inserts. Orders typically leave our warehouse within 1–2 business days after payment confirmation. For international shipments, we provide complete customs documentation to ensure smooth and speedy clearance.

Frequently Asked Questions (FAQ)

1. Can the A06B-6117-H303 control three motors with different power ratings?
Yes, this module can drive three motors independently, provided each motor's rated current does not exceed 3A. However, for optimal performance, FANUC recommends using motors with similar torque characteristics on all three axes.

2. Is this amplifier compatible with absolute or incremental encoders?
The FANUC A06B-6117-H303 supports both absolute and incremental encoder feedback, depending on the connected motor type. Proper parameter selection in the CNC or motion controller is required to configure the encoder mode.

3. What happens if one axis experiences a fault during operation?
The module features independent fault detection per axis. If one axis triggers an overcurrent or overheat alarm, the amplifier shuts down only that axis while maintaining power to the other two, minimizing production interruptions.

4. Can I use this module with a 220VAC single-phase input?
No, the A06B-6117-H303 requires a DC input of 283–339 VDC. This DC supply typically comes from a three-phase rectifier or a dedicated DC power supply unit. Single-phase AC cannot be connected directly to the module.

5. How often should I replace the cooling fan on this amplifier?
Under normal operating conditions, the internal cooling fan typically lasts 30,000–40,000 hours. We recommend inspecting fan operation every 12 months and replacing it proactively at the 5-year mark to prevent overheating issues.