Description
Product Overview
6SL3210-1SE31-5AA0 is a blocksize air-cooled PM340 power module of Siemens SINAMICS S120 high-performance drive series, equipped with integrated EMC line filter. It converts 3-phase AC mains into variable frequency AC output to drive synchronous servo motors or asynchronous induction motors. This power module must cooperate with S120 control unit (CU320) to realize speed, torque and position closed-loop control for high-power single-axis motion applications.
Technical Specifications
| Item | Parameter |
|---|---|
| Manufacturer | Siemens |
| Part Number | 6SL3210-1SE31-5AA0 |
| Product Type | SINAMICS S120 PM340 Power Module, blocksize, integrated EMC line filter |
| Rated Input | 3AC 380–480 V, 50/60 Hz |
| Rated Output Current | 110 A |
| Rated Power | 55 kW |
| Enclosure Rating | IP20 |
| Cooling Method | Internal forced air cooling |
| Mounting | Vertical cabinet mounting |
| Operating Temperature | 0 ~ +40 °C (derating required above 40°C) |
| Humidity | 5%–95% RH, non-condensing |
| Certifications | CE, UL, CSA |
| System Compatibility | SINAMICS S120 CU320 control unit, S120 motor encoders and motors |
Key Features
- Integrated EMC Line Filter: Built-in mains filter to meet EMC requirements, eliminates the need for an extra external filter and simplifies cabinet layout.
- High Power Density Block Construction: Compact block form factor for standard electrical cabinet installation for high power motion axes.
- Full Protection Functions: Overcurrent, overvoltage, undervoltage, phase loss, over-temperature, short-circuit and earth fault protection; fault codes stored for diagnosis.
- Universal Motor Control: Supports both asynchronous induction motors and permanent magnet synchronous servo motors for heavy-duty dynamic motion control.
- Modular S120 Architecture: Works with CU320 control unit, compatible with high-resolution encoder feedback, PROFIBUS and PROFINET communication.
- Integrated DC link pre-charge circuit: Restricts inrush current at power-up to protect internal power components.
Applications
- Heavy CNC machine tools and large metal forming machinery
- Metallurgical rolling lines, extruders and material handling gantries
- Printing, paper and textile high-power production lines
- Large packaging machinery with high dynamic load
- Industrial test benches, heavy conveyor systems
Installation & Maintenance Notes
- Lockout-tagout procedure must be performed before opening the unit. DC link capacitors retain hazardous high voltage long after AC power is cut off.
- Ensure sufficient cabinet ventilation; regularly clean cooling fan and heat sink dust buildup to avoid over-temperature trips.
- Separate motor power cables from encoder and communication signal wiring to reduce EMI interference.
- Match CU320 firmware and motor parameters during commissioning using STARTER or TIA Portal software.
- Inspect terminal tightness, fan operation and thermal hotspots during periodic maintenance.
- Verify full part number match for spare replacement, confirm it is the integrated filter variant.
FAQ
Q: What does suffix “5AA0” mean? A: 5AA0 = blocksize PM340 with integrated EMC line filter.
Q: What is the difference between 6SL3210-1SE31-5AA0 and 6SL3210-1SE27-5AA0? A: 6SL3210-1SE27-5AA0 is 37kW /75A; 6SL3210-1SE31-5AA0 is higher 55kW /110A rating for heavier load applications.


