This datasheet specifies the Siemens SINAMICS S120 6SL3120-2TE21-8AC0, a booksize C double motor module with 2×18 A output, 510-720 V DC input, internal air cooling, DRIVE-CLiQ interface, and Safety Integrated functions (SIL 2/PL d), ideal for multi-axis industrial applications requiring independent motor control.
Core Product & Ordering Info
| Item | Detail |
|---|---|
| Part Number | 6SL3120-2TE21-8AC0 |
| Product Line | SINAMICS S120 Double Motor Module (Booksize C) |
| Product Status | Active |
| Rated Output Current (per axis) | 18 A (continuous) |
| Base Load Current (per axis) | 15.3 A |
| DC Link Voltage | 510–720 V DC |
| Electronics Power Supply | 24 V DC (-15%/+20%), max 1.1 A |
| Cooling | Internal forced air cooling (0.016 m³/s airflow) |
| Protection Class | IP20 (UL open type) |
| Mounting | Booksize C, cabinet installation |
| Interface | DRIVE-CLiQ (includes DRIVE-CLiQ cable) |
| Dimensions (H×W×D) | 380 × 270 × 100 mm |
| Net Weight | ~6.8 kg (15.00 lbs) |
| Safety Integration | SIL 2 (IEC 61508), PL d (EN ISO 13849-1) |
Electrical Specifications
| Parameter | Value |
|---|---|
| Input Voltage | DC 510–720 V |
| Output Voltage | 3AC 0–400 V (PWM, per axis) |
| Output Frequency | 0–600 Hz (per axis) |
| Current Ratings (per axis) | Rated (In): 18 A; Base load (Ih): 15.3 A; S6 (40%): 24 A; Peak (Imax): 36 A (short-term) |
| Rated Power (400 V, per axis) | Based on In: 9.7 kW; Based on Ih: 8.2 kW |
| Rated Pulse Frequency | 4.0 kHz |
| Power Loss | Typ.: 0.28 kW; Max.: 0.35 kW |
| DC Link Busbars | 2 × 10 × 100 mm² (copper) |
| Motor Cable Length | Max 100 m (shielded); 150 m (unshielded, per axis) |
| Power Connection | Screw terminals; max conductor cross-section 16 mm² |
Mechanical & Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | 0–40 °C (32–104 °F); derate 1% per °C above 40 °C up to 50 °C |
| Storage/Transport Temperature | -25–70 °C (-13–158 °F) |
| Relative Humidity | ≤95% (non-condensing, 0–40 °C) |
| Altitude | ≤1000 m; derate 1% per 100 m above 1000 m (max 2000 m) |
| Vibration/Shock | Compliant with IEC 60068-2-6/2-27 |
| Sound Pressure Level | ≤60 dB (1 m distance, rated load) |
Interfaces & Certifications
| Feature | Description |
|---|---|
| Communication | DRIVE-CLiQ for motor/encoder connection; PROFINET/PROFIBUS DP via S120 Control Unit |
| Certifications | CE, cULus, RoHS/REACH compliant |
| EMC Compliance | EN 61800-3, EN 55011 (Class A, with external filter) |
| Safety Features | Safety Integrated (STO, SSL, SOS, SBC); SIL 2 (IEC 61508), PL d (EN ISO 13849-1) |
Key Features
- Dual-Axis Control: Independent control of two motors (speed/torque/position) for multi-axis synchronization, tension control, and robotics.
- Safety Integrated: SIL 2/PL d functions ensure compliance with industrial safety standards for safe machine operation.
- DRIVE-CLiQ Interface: Simplifies wiring, auto-configuration, and diagnostics with motor/encoder and control units.
- Optimized Pulse Patterns: Reduces motor heating and noise while improving control precision.
- Compact Booksize Design: Saves cabinet space with efficient internal air cooling for 24/7 industrial use.
