Siemens 6SL3120-1TE21-0AD0 SINAMICS S120 9 A Single Motor Module
Active 9 A booksize D-type inverter module with 27 A peak output and internal air cooling.
01Technical Summary
Siemens 6SL3120-1TE21-0AD0 is a SINAMICS S120 Single Motor Module that converts the shared 510 to 720 V DC link into a controlled three-phase motor output. The 50 mm booksize D-type unit is rated at 9 A, supports 12 A for S6 duty at 40 percent and provides a 27 A peak-current value. It includes a DRIVE-CLiQ cable, optimized pulse patterns and support for extended Safety Integrated functions, making the exact article suitable for compact multi-axis drive cabinets when the motor, Control Unit and connection system are verified together.
02Specifications
| Manufacturer | Siemens |
|---|---|
| Article Number | 6SL3120-1TE21-0AD0 |
| Product Family | SINAMICS S120 |
| Construction | Booksize D-type, internal air cooling |
| DC Link Voltage | 510 to 720 V DC |
| Electronics Supply | 24 V DC, -15% / +20% |
| Rated Output Current | 9.0 A |
| Base-Load Current IH | 7.7 A |
| S6 Current at 40% Duty | 12.0 A |
| Peak Current Imax | 27.0 A |
| Type Rating at IN / IH | 4.8 kW / 4.1 kW |
| Rated Pulse Frequency | 4 kHz |
| Motor Cable Length | 50 m shielded; 75 m unshielded |
| Protection | IP20 / UL open type |
| Operating Temperature | 0 to 40 °C without derating |
| Safety Integrated | SIL 2; PL d; Category 3 |
03Features
Operating Characteristics
- Controls one motor axis from the common SINAMICS S120 DC link.
- Delivers a threefold peak-current value of 27 A for the documented operating profile.
- Uses optimized pulse patterns while retaining a 4 kHz rated pulse frequency.
- Supports the extended Safety Integrated functions stated for the exact module.
- Provides a DRIVE-CLiQ interface path for control and component identification.
- Fits a 50 mm-wide booksize D-type cabinet position with internal fan cooling.
Product Identity
- Manufacturer: Siemens
- Model: 6SL3120-1TE21-0AD0
- Product Type: SINAMICS S120 booksize D-type Single Motor Module
- Status: Active product
04Compatibility
- Use with a SINAMICS S120 DC-link system operating within 510 to 720 V DC.
- Match the motor current, duty cycle, cable length, encoder concept and selected control mode to the 9 A module.
- Confirm that the Control Unit firmware supports the module hardware and required Safety Integrated functions.
- Use the X1 motor connector, M5 protective-earth connection and the documented 1.5 to 6 mm² conductor range.
- When replacing an older AA-series module, account for the changed motor-connection system and the Siemens adapter-cable guidance.
- Maintain cabinet airflow for the 0.009 m³/s cooling-air requirement and observe IP20 installation rules.
05Replacement
- Siemens lists 6SL3120-1TE21-0AD0 as an active product.
- It is the D-type migration path for older 9 A internal-air-cooled booksize modules when the power-unit code and application are compatible.
- Existing old-format motor cables may require the Siemens 6SL3162-2ME01-0ACx adapter solution or a converted cable termination.
- Compare the full article number, peak-current requirement, connector, firmware, safety configuration and cabinet installation before exchange.
- After installation, restore the approved drive project and validate motor identification, direction, current limits, braking and safety functions.
06FAQ
What continuous output current does 6SL3120-1TE21-0AD0 provide?
The Siemens data sheet specifies 9.0 A rated output current and 7.7 A base-load current.
How much short-duration current is available from this 9 A D-type module?
The documented S6 current is 12.0 A at 40 percent duty and the peak-current value is 27.0 A.
Which motor-cable limits apply to the 0AD0 article?
Siemens specifies up to 50 m for shielded cable and 75 m for unshielded cable.
Is 6SL3120-1TE21-0AD0 suitable for an open machine enclosure?
The unit is IP20 / UL open type and must be installed in an appropriate industrial cabinet with the required protection and cooling.
Can an older 9 A AA module be exchanged without changing the motor connection?
Not necessarily. The official replacement guidance calls attention to the different connection system, so the prescribed adapter cable or a revised cable termination may be required.
Which safety capability is documented for this exact module?
The data sheet lists Safety Integrated capability to SIL 2, PL d and Category 3 when engineered and commissioned within the supported system.
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