About

Key Features of Siemens G120C 7.5KW / 10.0HP Drive

• Power Rating: 7.5KW (10.0HP)- Delivers reliable and efficient power control for medium-sized industrial applications

• Energy-efficient operation- Adjusts motor speed to match demand, reducing energy consumption and lowering operational costs

• Compact and rugged design- Saves valuable space while ensuring durability and long service life in challenging environments

• Flexible motor control- Provides precise and smooth control across a wide range of motor-driven applications

• Built-in protection features- Includes overload, short-circuit, and overcurrent protection for safe and dependable operation

• Easy integration and setup- User-friendly configuration tools simplify installation and enable quick integration into existing automation systems

Rated Data

Input

• Phases: 3 AC

• Line Voltage: 380–480 V (+10% / –20%)

• Line Frequency: 47–63 Hz

• Rated Current (LO): 21.50 A

• Rated Current (HO): 18.20 A

Output

• Phases: 3 AC

• Rated Voltage: 400 V (IEC), 480 V (NEC)

• Rated Power (LO): 7.50 kW / 10 hp

• Rated Power (HO): 5.50 kW / 7.5 hp

• Rated Current (LO): 16.5 A

• Rated Current (HO): 12.5 A

• Rated Current (IN): 17.0 A

• Max. Output Current: 25.0 A

• Pulse Frequency: 4 kHz

• Output Frequency (Vector Control): 0–240 Hz

• Output Frequency (V/f Control): 0–550 Hz

Overload Capability

Low Overload (LO)

• 150% IL for 3 s

• 110% IL for 57 s (per 300 s cycle)

High Overload (HO)

• 200% IH for 3 s

• 150% IH for 57 s (per 300 s cycle)

General Technical Specifications

• Power Factor λ: 0.70–0.85

• cos φ: 0.95

• Efficiency: 0.97

• Sound Pressure Level (1 m): 63 dB

• Power Loss: 228 W

• Filter (Integrated): Unfiltered

• Communication: USS / Modbus RTU

Inputs / Outputs

Digital Inputs (Standard)

• Quantity: 6

• Switching level 0→1: 11 V

• Switching level 1→0: 5 V

• Max Inrush Current: 15 mA

Fail-Safe Digital Inputs

• Quantity: 1

Digital Outputs

• Relay Output: 1 (DC 30 V / 0.5 A)

• Transistor Output: 1 (DC 30 V / 0.5 A)

Analog / Digital Inputs

• Quantity: 1 (Differential)

• Resolution: 10-bit

• Digital Switching Thresholds:

  • 0→1: 4 V

  • 1→0: 1.6 V

Analog Outputs

• Quantity: 1 (Non-isolated)

Temperature Sensor Input

• Supports: PTC, KTY, Thermo-Click

• Accuracy: ±5°C

Control Functions

• V/f Control (Linear / Square-law / Parameterizable)

• V/f ECO (Linear / Square-law)

• Sensorless Vector Control

• No sensor-based vector or torque control

Ambient Conditions

• Cooling: Integrated fan

• Cooling Air Requirement: 0.009 m³/s

• Altitude: Up to 1000 m

• Operating Temperature: –10 to 40°C

• Transport Temperature: –40 to 70°C

• Storage Temperature: –25 to 55°C

• Max Humidity: 95% (no condensation/icing)

Connections

Signal Cable

• Conductor: 0.15–1.50 mm² (AWG 24–16)

Line Side

• Terminal Type: Plug-in screw

• Conductor: 4–6 mm² (AWG 12–10)

Motor End

• Terminal Type: Plug-in screw

• Conductor: 4–6 mm² (AWG 12–10)

DC Link (Braking Resistor)

• Terminal Type: Plug-in screw

• Conductor: 4–6 mm² (AWG 12–10)

Other

• Max Line Length: 15 m

• PE Connection: M4 screw on housing

• Max Motor Cable Length:

  • Shielded: 150 m

  • Unshielded: 150 m

Mechanical Data

• Degree of Protection: IP20 / UL open type

• Frame Size: FSB

• Net Weight: 2.30 kg

• Dimensions (W × H × D): 100 × 196 × 203 mm

Technical Details