A06B-6111-H022#H550 Fanuc Servo Amplifier Module A06B6111H022#H550 A06B-6111-H022#H550

FANUC A06B-6111-H022#H550 Alpha i Spindle Amplifier

Overview

The A06B-6111-H022#H550 is an Alpha i spindle amplifier module best described as part of the αi SP 22 family. Public FANUC maintenance documentation explicitly places the base A06B-6111-H022 in the αi SP 22 spindle table, while replacement-market listings identify the #H550 variant as aiSP 22 and SPM-22i.

That gives this model a clear technical position inside the Alpha i spindle range.

In practical CNC service, this module is normally sourced when the installed spindle-drive hardware must be matched closely and the machine owner wants to preserve the original cabinet and spindle-control architecture.

It is not simply a generic drive; it is a defined spindle family member that buyers usually identify by exact order code and spindle class.

Public replacement references for the #H550 variant also show a fairly clear technical profile: 283–339 V rated input, 25.2 kW power context, 240 V maximum output, and 95 A current output are all used to describe this family.

These figures help place the model in a mid-range Alpha i spindle class and make the product description more useful to technical readers.

Key Specifications

αi SP 22 and aiSP 22 Market Position

One of the most useful technical details about this model is that it is supported both by a FANUC family-table designation and by a widely used market naming convention.

The public FANUC maintenance manual gives it the αi SP 22 identity, while service channels use aiSP 22 or SPM-22i.

Together, those two naming patterns make the model easier to verify in both technical and commercial contexts.

That dual naming is helpful in practice because CNC buyers often search by whichever term appears on their machine documentation, repair quote, or installed module label.

A stronger product page acknowledges both, while keeping the classification anchored in the spindle-amplifier family.

FAQ

Q1: What kind of product is A06B-6111-H022#H550?
It is a FANUC Alpha i spindle amplifier module. Public FANUC maintenance documentation places the base A06B-6111-H022 in the αi SP 22 family, and replacement listings identify the #H550 variant as aiSP 22 or SPM-22i.

In practical terms, it is a spindle-drive replacement component for installed CNC systems.

Q2: Why is the αi SP 22 / aiSP 22 designation important?
It gives the module a defined place inside the Alpha i spindle family. That matters because spindle amplifiers are chosen by family and spindle class, not simply by voltage or by the fact that they belong to FANUC.

The SP 22 identity helps the buyer match the correct spindle-drive class.

Q3: Are the 25.2 kW and 95 A figures useful in real selection?
Yes. Those public figures for the #H550 variant help show that this is a mid-range Alpha i spindle amplifier family.

For service engineers, those values provide useful context when comparing the installed module with replacement options in the same spindle range.

Q4: Why does the manual reference B-65322 matter?
It matters because it gives the buyer a useful documentation anchor for installation and servicing context.

In real maintenance work, having the correct manual family can help technicians confirm model context, configuration, and handling expectations more efficiently.

Q5: What should buyers verify before ordering?
Buyers should verify the exact part number, the #H550 suffix, the αi SP 22 family position, and the spindle-drive environment already installed in the machine.

For spindle amplifier modules, exact family and variant matching are usually more important than broad product similarity.