This is the complete English technical specification sheet for Siemens 6SL3120-1TE31-3AA3 SINAMICS S120 single motor module, covering core electrical ratings, performance, protection, mechanical/environmental data, and functional details, based on Siemens official documentation and certified industrial catalogs.
1. Core Electrical Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Product Model | 6SL3120-1TE31-3AA3 | – | SINAMICS S120 single motor module, booksize, internal air cooling, with DRIVE‑CLiQ cable |
| DC Link Input Voltage | 510–720 (rated: 600) | V DC | DC bus voltage range; compatible with S120 DC link system |
| AC Output (3‑phase) | 0–400 (max: 0.717×DC link) | V AC | 3‑phase output, matches DC link voltage scaling |
| Rated Output Current (0–40°C) | 132 | A | Continuous operation at rated DC link voltage |
| Rated Output Power | 75 | kW | At 400 V AC output, 132 A rated current |
| Peak Output Current | 264 (200% of rated) | A | For 2 s, with 60‑second cool‑down interval |
| DC Link Capacitance | 2820 | µF | Stable DC bus voltage support |
| Pulse Frequency | 4 (max: 16 with derating) | kHz | Default 4 kHz; adjustable via control unit |
| Electronics Power Input | 24 (20.4–28.8 tolerance) | V DC | Power for control electronics |
| Total Power Dissipation | 1270.4 | W | Typical power loss under rated load |
2. Overload Capabilities
| Overload Condition | Current | Duration | Ambient Temperature |
|---|---|---|---|
| Peak Overload | 264 (200% of rated) | 2 s | 0–40°C |
| Continuous Overload | 145.2 (110% of rated) | 60 s | 0–40°C |
| Continuous Operation | 132 (100% of rated) | Continuous | 0–40°C; derate above 40°C |
3. Performance & Protection Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Control Modes | Vector (sensorless/encoder), V/F | – | Supports precise motor control via S120 control units |
| Current Control Accuracy | ±0.5% of rated current | – | Closed‑loop current regulation for dynamic performance |
| Overcurrent Protection | 200% of rated current | – | Instantaneous trip to prevent device damage |
| Overvoltage Protection | 720 | V DC | DC bus overvoltage clamping |
| Undervoltage Protection | 510 | V DC | Shuts down to prevent IGBT damage |
| Overheating Protection | 85 | °C | Heatsink temperature threshold; fan speed control + alarm/trip |
| Short‑circuit Protection | Internal fast‑acting fuses | – | Coordinated with power section design |
| Safety Functions | STO (Safe Torque Off), SS1, SS2 | – | Extended safety integrated functions compliant with EN 61800‑5‑2 |
| EMC Compliance | EN 61800‑3, Category C2 | – | Suitable for industrial environments |
4. Mechanical & Environmental Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Cooling Method | Internal air cooling | – | Integrated fan with speed monitoring |
| Cooling Airflow Requirement | 520 | m³/h | Airflow for internal heat dissipation |
| Net Weight | 18 | kg | Base unit without packaging |
| Dimensions (H×W×D) | 482×175×280 | mm | Booksize frame, compact for cabinet installation |
| Ambient Temperature | 0–40 | °C | Operating; derate 1% per 100 m above 1000 m altitude |
| Storage/Transport Temperature | −25 to +70 | °C | – |
| Installation Altitude | ≤1000 | m | Derate 1% per 100 m above 1000 m |
| Relative Humidity | 5–95% | % | Non‑condensing |
| Vibration Resistance | 0.5 | g | 10–150 Hz, IEC 60068‑2‑6 |
| Shock Resistance | 15 | g | 11 ms, IEC 60068‑2‑27 |
| IP Rating | IP20 | – | Enclosure protection class for cabinet mounting |
| Sound Pressure Level (1m) | 68 | dB | Under standard operating conditions |
5. Key Functional & Compliance Details
- DRIVE‑CLiQ Interface: Integrated DRIVE‑CLiQ cable for seamless connection to S120 control units (CU320‑2) and adjacent modules, enabling fast data exchange and configuration.
- Safety Integration: Supports Safe Torque Off (STO), Safe Stop 1 (SS1), and Safe Stop 2 (SS2) per EN 61800‑5‑2, enhancing operator and machine safety.
- Cooling System: Internal fan with speed monitoring ensures stable thermal performance; airflow of 520 m³/h required for optimal cooling.
- Typical Applications: Ideal for precision motor control in machine tools, conveyors, hoists, and automated production lines requiring dynamic speed/torque regulation.
6. Supplementary Notes
- Overload Limitation: Peak overload (200% of rated current) is limited to 2 seconds to prevent thermal damage; ensure cool‑down intervals are observed.
- Pulse Frequency: Higher pulse frequencies (up to 16 kHz) require current derating; refer to Siemens S120 Pulse Frequency Derating Guide for details.
- Documentation: Refer to Siemens SINAMICS S120 Single Motor Module Manual (Document No. 6SL3120‑1TE31‑3AA3) for complete parameterization and troubleshooting.
