Siemens SINAMICS G120C 7.5kW PROFINET Variable Frequency Drive

USD 561.93

Compact VFD with 7.5kW (LO)/5.5kW (HO) power, 380-480V input, PROFINET/EtherNet/IP, STO safety, and integrated Class A EMC filter.

SKU Siemens-6SL3210-1KE21-7AF1 Category
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Siemens SINAMICS G120C 7.5kW PROFINET Variable Frequency Drive

Model Identifier SINAMICS G120C
Official Part Number 6SL3210-1KE21-7AF1
GTIN Standard 4042948663851

Technical Overview

Compact VFD with 7.5kW (LO)/5.5kW (HO) power, 380-480V input, PROFINET/EtherNet/IP, STO safety, and integrated Class A EMC filter.

Key Features

  • Compact footprint enabling space-saving installation (FSB size).
  • Integrated PROFINET-PN fieldbus for seamless system connectivity.
  • Built-in Safe Torque Off (STO) safety function, improving safety and reducing external components.
  • Integrated Class A EMC filter for reduced electrical interference.
  • Reliable performance with wide input voltage tolerance for unstable power environments.
  • Supports Vector and V/f control types.
  • Integrated braking chopper.
  • Easy commissioning and parameterization with STARTER or SINAMICS Startdrive.
  • Supports EtherNet/IP communication.

Energy-efficient motor control for reduced operational costs and high overload capacity for demanding start-stop or torque-intensive applications.

Technical Specification Matrix

ParameterValue
Input Voltage3AC 380–480 V, +10/–20 %, 47–63 Hz
Output Voltage3AC 400V IEC / 480V NEC
Rated Power (Low Overload)7.5 kW (10 hp)
Rated Power (High Overload)5.5 kW (7.5 hp)
Rated Input Current (LO)21.50 A
Rated Input Current (HO)18.20 A
Rated Output Current (LO)16.50 A
Rated Output Current (HO)12.50 A
Max. Output Current25.00 A
Output Frequency (Vector Control)0 – 240 Hz
Output Frequency (V/f Control)0 – 550 Hz
Protection ClassIP20 / UL Open Type
Communication InterfacePROFINET, EtherNet/IP
Digital Inputs6 Standard, 1 Fail-safe
Digital Outputs1 Relay Changeover Contact, 1 Transistor (DC 30 V, 0.5 A)
Analog Inputs1 (Differential, 10 bit resolution)
Analog Outputs1 (Non-isolated)
Motor Temperature Input1 (PTC/KTY interface)
EMC FilterIntegrated Class A
Safety FunctionSafe Torque Off (STO)
Power Loss235.0 W
Sound Pressure Level (1m)63 dB
Physical Weight (kg)3
Dimensions L x W x H (cm)26 x 25.5 x 12.5

Industrial Applications

1. Conveyor Systems in Manufacturing

Provides precise speed and torque control for conveyor belts in manufacturing lines, ensuring smooth material flow and enhanced safety.

Problem Solved

Effectively controls conveyor motor speed for optimized material handling and utilizes Safe Torque Off (STO) for immediate and safe shutdown during emergencies or maintenance, crucial in dynamic manufacturing environments.

7.5 kWPROFINETEtherNet/IPSafe Torque Off (STO)Motor ControlIndustrial Automation

2. Industrial Pump Control in Water Treatment

Manages the operation of industrial pumps in water treatment facilities, optimizing energy consumption and ensuring reliable fluid transfer.

Problem Solved

Achieves energy-efficient pump control by precisely regulating motor speed based on demand, reducing operational costs. The integrated Class A EMC filter minimizes electrical interference, ensuring stable operation in sensitive control networks.

380-480 V ACEnergy EfficiencyClass A EMC FilterPump ControlVariable Frequency Drive

3. Fan and HVAC Systems in Commercial Buildings

Regulates the speed of large industrial fans within HVAC systems to maintain optimal airflow and environmental conditions in commercial buildings.

Problem Solved

Enables precise airflow regulation through variable speed control (0-550 Hz), leading to significant energy savings and consistent climate control. Its compact design facilitates installation within space-constrained equipment rooms, and integrated communication allows for centralized building management.

5.5 kW0-550 Hz Output FrequencyCompact DesignHVACBuilding Management Systems
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