Description
The Siemens 6SL3130-7TE25-5AA3 is a SINAMICS S120 Active Line Module (ALM) designed for high-power multi-axis servo and motion control systems. It converts incoming 3-phase AC power into a regulated DC link voltage and enables regenerative braking energy to be fed back into the electrical grid, improving overall system efficiency.
🔧 Basic Identification
| Feature | Details |
|---|---|
| Manufacturer | Siemens |
| Product Series | SINAMICS S120 |
| Part Number | 6SL3130-7TE25-5AA3 |
| Product Type | Active Line Module (ALM) |
| Frame Size | Booksize |
| Input Voltage | 3-phase 380–480 V AC |
| Output Voltage | 600 V DC |
| Rated Current | 92 A |
| Rated Power | 55 kW |
| Cooling Method | Internal air cooling |
| Communication | DRIVE-CLiQ |
📌 Siemens officially describes this module as:
“SINAMICS S120 Active Line Module, input 3AC 380–480V, output DC 600V, 92A, 55kW, Booksize, internal air cooling.”
⚙️ Main Functions
The 6SL3130-7TE25-5AA3 is designed to:
- Convert 3-phase AC input into a regulated DC bus
- Supply DC link power to SINAMICS S120 Motor Modules
- Return regenerative braking energy back to the mains
- Maintain stable DC link voltage during load fluctuations
- Improve power factor and reduce harmonic distortion
- Support high-performance synchronized motion systems
The Active Line Module uses an IGBT-based active front end, allowing bidirectional energy flow between the drive system and the electrical supply.
📋 Technical Specifications
| Specification | Value |
|---|---|
| Input Supply | 3 AC 380–480 V |
| Frequency | 47–63 Hz |
| Rated Power (S1) | 55 kW |
| S6 Duty Power | 71 kW |
| Peak Power | 91 kW |
| DC Link Voltage | 510–720 V DC |
| Rated DC Link Current | 92 A |
| Peak DC Link Current | 152 A |
| Rated Input Current (380 V) | 88 A |
| Peak Input Current | 139 A |
| Electronics Supply | 24 V DC |
| Protection Class | IP20 |
| Cooling | Internal air cooling |
| Weight | Approx. 17 kg |
Technical values are published in Siemens SINAMICS S120 Booksize Power Unit documentation.
🧠 System Role
In a SINAMICS S120 architecture:
Control Unit (CU)
→ controls
Active Line Module (6SL3130-7TE25-5AA3)
→ generates regulated DC bus power for
Motor Modules
→ drive
servo motors
The Active Line Module acts as the central power infeed and regenerative energy management unit for the complete drive system.
🔋 Advantages of Active Line Technology
- Regenerative energy returned to the electrical grid
- Reduced heat generation compared to brake resistor systems
- Near-unity power factor
- Stable DC bus voltage independent of mains fluctuations
- Lower harmonic distortion
- Higher energy efficiency in dynamic servo applications
These advantages make Active Line Modules common in advanced CNC and motion-control installations.
🏭 Typical Applications
- CNC machine tools
- Robotics systems
- Packaging machinery
- Printing and converting equipment
- Material handling systems
- Multi-axis industrial automation
- SINUMERIK and SIMOTION motion control systems
🔍 Comparison Within This Series
| Model | Rated Current | Rated Power |
|---|---|---|
| 6SL3130-7TE21-6AA4 | 27 A | 16 kW |
| 6SL3130-7TE23-6AA3 | 60 A | 36 kW |
| 6SL3130-7TE25-5AA3 | 92 A | 55 kW |
The 6SL3130-7TE25-5AA3 is the highest-capacity model among these three Active Line Modules and is intended for larger multi-axis drive systems with higher power demands.
🧾 Short Website Description
The Siemens 6SL3130-7TE25-5AA3 is a SINAMICS S120 Active Line Module rated at 55 kW and 92 A, designed for high-performance multi-axis servo drive systems. It converts 3-phase AC power into a regulated 600 V DC link while enabling regenerative energy feedback to the mains, making it ideal for CNC machines, robotics, and advanced industrial automation applications.

