Siemens 6SN1123-1AA00-0EA2 SIMODRIVE 611 Power Module
A EA2 power stage with internal cooling and documented feed motor: 56 a; main-spindle motor: 60 a.
Key Information
6SN1123-1AA00-0EA2 is a Siemens SIMODRIVE 611 one-axis power module identified by revision EA2. It uses internal cooling.
The module supplies the power stage for a compatible feed or spindle axis. Selection requires the installed control module, infeed, motor, DC link, connectors and cooling arrangement to match the exact article.
Functions
- Provides a one-axis SIMODRIVE 611 power stage.
- Supports the documented motor duties: Feed motor: 56 A; main-spindle motor: 60 A.
- Uses internal cooling.
- Maintains revision traceability through the complete 6SN1123-1AA00-0EA2 article number.
- Integrates with compatible 611 infeed, control and feedback hardware.
Specifications
| Manufacturer | Siemens |
|---|---|
| Article Number | 6SN1123-1AA00-0EA2 |
| Product Family | SIMODRIVE 611 |
| Module Type | One-axis power module |
| Revision | EA2 |
| Cooling | Internal cooling |
| Rated Motor Current | Feed motor: 56 A; main-spindle motor: 60 A |
| Product Role | Documented replacement for 6SN1123-1AA00-0EA1 |
| Lifecycle | Legacy spare-part support |
Installation
- Isolate the DC link and verify discharge before handling 6SN1123-1AA00-0EA2.
- Confirm the internal cooling arrangement, cabinet clearances and heat-removal path.
- Label busbars, motor connections, feedback wiring and control interfaces before removal.
- Back up axis parameters and compare the replacement revision before commissioning.
- Check protective devices and follow the machine manufacturer’s return-to-service procedure.
Lifecycle
- 6SN1123-1AA00-0EA2 belongs to the legacy SIMODRIVE 611 spare-parts platform.
- Preserve revision EA2; a similar current-class module is not automatically interchangeable.
- Record motor duty, control card, infeed, DC-link and cooling data for future maintenance.
- Revalidate the axis after replacement, including current limits, feedback direction and machine safety functions.
FAQ
Which motor duties are stated for 6SN1123-1AA00-0EA2?
6SN1123-1AA00-0EA2 is documented for 56 A feed-motor duty and 60 A main-spindle duty.
What earlier article can 6SN1123-1AA00-0EA2 replace?
Siemens lists 6SN1123-1AA00-0EA2 as the successor to 6SN1123-1AA00-0EA1.
Why must the EA2 suffix of 6SN1123-1AA00-0EA2 be retained?
The EA2 suffix identifies the exact replacement revision and prevents confusion with the earlier EA1 hardware.
What cooling method is specified for 6SN1123-1AA00-0EA2?
6SN1123-1AA00-0EA2 uses internal cooling in its one-axis SIMODRIVE 611 power-stage role.
Is a parameter review required after fitting 6SN1123-1AA00-0EA2?
Yes. Confirm the control module, motor data, feedback, current limits and axis commissioning values for 6SN1123-1AA00-0EA2.


