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| Place of Origin | JAPAN |
| Brand Name | FANUC |
| Certification | CE ROHS |
| Model Number | A06B-6090-H004 |
When a single-axis application calls for accurate, responsive motion control, the FANUC A06B-6090-H004 delivers exactly what's needed — without excess complexity. Part of FANUC's well-established 6090 series, this AC servo amplifier unit is purpose-built for single-axis drive configurations, pairing reliably with FANUC's alpha and beta series servo motors across a wide range of CNC machine tool platforms.
Made in Japan, backed by decades of FANUC engineering, the A06B-6090-H004 is the kind of component that maintenance engineers search for by part number — because once it's in the cabinet, it simply works.
| Item | Detail |
|---|---|
| Part Number | A06B-6090-H004 |
| Manufacturer | FANUC |
| Made In | Japan |
| Unit Type | AC Servo Amplifier (Single-Axis) |
| Certification | CE |
| Available Condition | New / Used |
| MOQ | 1 pc |
| Warranty — New Unit | 12 Months |
| Warranty — Used Unit | 3 Months |
| Typical Lead Time | 2–4 Business Days |
The 6090 series sits within FANUC's earlier generation of servo drive architecture, and the H004 variant is the single-axis, standard-current configuration within that range. It's a compact unit designed for installations where each axis is driven independently — common in lathes, grinding machines, and older machining centers running FANUC 0 series or Series 15/16 controllers.
Because many facilities continue operating older FANUC-controlled machines well past their original service life, finding a reliable replacement for the A06B-6090-H004 is a recurring need in the field. New units offer the longest service confidence; tested used units are a practical alternative when budget matters more than extended warranty coverage.
Within the A06B-6090 family, different H-suffix codes indicate different current ratings and axis configurations. The H004 is calibrated for lighter-duty, single-axis applications — making it the right choice when you're replacing like-for-like rather than upgrading. Installing a higher-rated amplifier in a system designed around H004 specifications won't necessarily improve performance and may introduce compatibility issues with existing servo tuning parameters.
If you're unsure which 6090-series variant your machine requires, sharing the machine model and electrical cabinet documentation before ordering is always the safest approach.
All units leave in original-style protective packaging. New units come in OEM condition; used units are cleaned, inspected, and packed securely before dispatch. Orders typically ship within 2 to 4 business days of payment confirmation via DHL or FedEx to most global destinations. For regions with limited courier access, contact us in advance to confirm freight options and costs.
Combined shipping is available for multiple units ordered together.
Once payment is sent, please notify us promptly so dispatch can be prioritized.
New units carry a 12-month warranty. Used units are covered for 3 months from the date of delivery. The warranty covers functional failure under normal operating conditions. It does not apply to physical damage occurring after delivery, alarm faults caused by incorrect parameter settings, or improper installation by unqualified personnel.
Returns are accepted in the following cases: goods arrive damaged or not as described (report by the next business day), or the unit is found non-functional within 4 days of receipt. Buyer covers return freight under warranty claims.
The A06B-6090-H004 is frequently found in or sourced for:
Q1: What does the "H004" suffix mean on the A06B-6090 servo amplifier?
Within FANUC's A06B-6090 series, the H suffix code identifies the specific current rating and axis configuration of the amplifier. The H004 designation corresponds to a single-axis unit rated for standard current applications — making it suitable for lighter servo loads where multi-axis or high-current variants would be unnecessary. Always cross-check the H-code on your existing unit before ordering a replacement to ensure an exact match.
Q2: Is the A06B-6090-H004 compatible with both new and older FANUC CNC systems?
The A06B-6090-H004 was primarily designed for use with FANUC's earlier CNC generations, including the Series 0, Series 15, and Series 16 control platforms. Compatibility depends on the specific machine configuration, axis assignment, and motor pairing. If you are unsure whether this unit suits your setup, sharing your machine model and the existing servo drive parameters will allow us to confirm before you commit to an order.
Q3: Do you stock both new and used versions of the A06B-6090-H004, and how are used units tested?
Yes, both conditions are held in stock subject to availability. Used units are sourced from decommissioned equipment or system upgrades and are checked for basic electrical integrity before being listed for sale. They carry a 3-month warranty. New units are original, uninstalled FANUC components and come with a 12-month warranty. The right choice depends on your application criticality and replacement budget.
Q4: My machine is showing a FANUC SV alarm — how can I tell if the A06B-6090-H004 is the faulty component?
FANUC SV (servo) alarm codes can originate from the amplifier, the servo motor, encoder feedback cables, or the CNC control card. A process of elimination is the standard approach: first check cable connections and inspect the motor for damage, then run a motor substitution if possible. If alarms persist with a confirmed-good motor and clean cabling, the amplifier itself becomes the primary suspect. An experienced FANUC service technician can also use the CNC's diagnostic screens to isolate the fault more precisely before a part is ordered.
Q5: What should I do if the unit arrives and doesn't resolve my machine's servo fault after installation?
If the unit is installed correctly and the fault persists, there are two possibilities: either another component in the servo loop is causing the alarm, or the unit itself has an issue. Under our policy, if the unit is found to be non-functional within 4 days of receipt under normal operating conditions, we will arrange a return or replacement. Please document the alarm codes and any diagnostic steps taken — this information helps resolve the situation faster. Do not attempt to modify the unit or install it in a second machine before contacting us, as this affects the return eligibility.
Contact: Ms. Amy | Email: sales01@sande-elec.com | Tel: +86 18620505228
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