1. Core Electrical Ratings
| Parameter | Value | Notes |
|---|---|---|
| Input | 3AC 380…480V (+10%/-20%), 47…63Hz | 3-phase mains input |
| Rated Input Current (LO) | 64.0 A | Low Overload (LO) mode |
| Rated Input Current (HO) | 61.0 A | High Overload (HO) mode |
| Output | 3AC 0…400V (nominal), 0…550Hz | V/f control; vector 0…240Hz |
| Rated Output Current (IN) | 68.0 A | Base current (LO/HO) |
| Max Output Current | 116.0 A | Peak current |
| Rated Output Power (LO, IEC 400V) | 37.0 kW / 40.0 hp (NEC 480V) | Low Overload (150%/3s) |
| Rated Output Power (HO, IEC 400V) | 30.0 kW / 30.0 hp (NEC 480V) | High Overload (200%/3s) |
| Pulse Frequency | 4.0 kHz | Standard; adjustable with derating |
| Overload (LO) | 150% IL for 3s → 110% IL for 57s (300s cycle) | Low Overload duty |
| Overload (HO) | 200% IH for 3s → 150% IH for 57s (300s cycle) | High Overload duty |
| Power Factor λ | 0.90…0.95 | Typical at rated load |
| Efficiency η | 0.98 | Typical at rated load |
| Power Loss | 1.01 kW | Typical at rated load |
| DC Link (Braking Resistor) | Screw terminals, 10…35mm² (AWG8…2) | External braking resistor optional |
2. Mechanical & Environmental Data
| Parameter | Value | Notes |
|---|---|---|
| Dimensions (H×W×D) | 472 × 200 × 237 mm (18.58 × 7.87 × 9.33 in) | FSD frame, compact booksize |
| Net Weight | 18.80 kg (41.45 lb) | Excl. cables & accessories |
| Degree of Protection | IP20 / UL open type | Indoor, cabinet-mounted |
| Cooling | Internal fan (air cooling) | Forced air, temperature-controlled |
| Cooling Air Requirement | 0.055 m³/s (1.942 ft³/s) | Nominal airflow |
| Ambient Temp (Operation) | -20 … +40 °C (-4 … 104 °F) | No derating up to 1000m |
| Ambient Temp (Storage/Transport) | -40 … +70 °C (-40 … 158 °F) | Extended temp range |
| Installation Altitude | ≤ 1000 m (3281 ft) | Derate current above 1000m |
| Relative Humidity | ≤ 95% RH (non-condensing) | Industrial environment |
| Sound Pressure Level (1m) | 72 dB | Typical at rated load |
| Insulation Class | F | Standard for industrial drives |
3. Connections & I/O
| Connection | Details | |
|---|---|---|
| Line/Motor Terminals | Screw-type, 10…35mm² (AWG8…2) | High-current power connections |
| Signal Terminals | 0.15…1.50mm² (AWG24…16) | Control/I/O wiring |
| Digital Inputs (DI) | 6 standard (15mA@11V) + 1 fail-safe (STO) | Switching threshold: 0→1=4V, 1→0=1.6V |
| Digital Outputs (DO) | 2 (1 relay changeover, 1 transistor) | 30V DC, 0.5A (resistive load) |
| Analog Input (AI) | 1 differential (10-bit) | 0…10V / 0…20mA / 4…20mA |
| Analog Output (AO) | 1 non-isolated | 0…10V / 0…20mA / 4…20mA |
| Motor Temp Sensor | 1 input (PTC/KTY/Thermo-Click) | ±5°C accuracy |
| Max Motor Cable Length | Shielded: 300m (984ft); Unshielded: 200m (656ft) | Standard EMC installation |
| Communication | PROFINET, EtherNet/IP | Integrated fieldbus |
| Safety | STO (Safe Torque Off) | SIL2 (IEC 61508), PL d (EN ISO 13849-1) |
4. Safety & Compliance
- Certifications: CE, UL, cULus, C-Tick (RCM)
- Standards: IEC 61800, EN 61800, UL 508C, CSA C22.2 No.14, EMC Directive 2004/108/EC, Low-Voltage Directive 2006/95/EC
- Safety Integrated: STO (Safe Torque Off) – Category 3, PL d, SIL2
5. Key Features
- Compact FSD frame, side-by-side mounting for cabinet space savings
- Unfiltered design (UF) for cost-sensitive applications (external EMC filter optional)
- Integrated PROFINET/EtherNet/IP for seamless industrial network integration
- STO safety function for safe machine stop
- Sensorless vector & V/f control for wide motor compatibility (induction, synchronous)
- High overload capability for dynamic applications (pumps, fans, conveyors, mixers)
- Integrated fan with temperature monitoring for reliable cooling
- Electronic nameplate for fast commissioning & diagnostics
- Wide input voltage range for global mains compatibility
6. Ordering & Identification
- MLFB: 6SL3210-1KE27-0UF1
- Product Type: SINAMICS G120C Compact Inverter (Unfiltered)
- Tariff Code: 85044088
- Country of Origin: Germany
- UPC: 804766375439
- Lifecycle: Active








