Siemens 6SL3210-1KE21-7AF1 SINAMICS G120C Compact Inverter Drive, 7.5kW / 5.5kW, PROFINET Original Brand New

Overview

The Siemens 6SL3210-1KE21-7AF1 is a high-performance SINAMICS G120C variable frequency drive (VFD) designed for demanding industrial automation applications. Engineered for energy-efficient operation, compact installation, and advanced communication, this drive delivers optimal motor control for both standard and dynamic loads. Featuring integrated PROFINET, Safe Torque Off (STO), and a Class A EMC filter, the G120C ensures safe, reliable, and interference-free operation in modern industrial environments.

Ideal for applications in manufacturing, packaging, conveyor systems, pumps, fans, and general machine-building scenarios.

Benefit

• Compact footprint enabling space-saving installation (FSB size: 196 × 100 × 203 mm).

• Energy-efficient motor control, reducing operational costs.

• Integrated PROFINET-PN fieldbus, allowing seamless system connectivity.

• Built-in STO safety function, eliminating external components and improving safety.

• High overload capacity for demanding start-stop or torque-intensive applications.

• Class A EMC filter included, ensuring reduced electrical interference.

• Reliable performance even in unstable power environments with wide input voltage tolerance.

Features & Functions

Electrical Specification

• Rated Power (Supply 3AC 380–480 V, +10/–20 %, 47–63 Hz):

  • Low Overload Mode: 7.5 kW

    • 150% for 3 seconds

    • 110% for 57 seconds

    • 100% for 240 seconds

  • High Overload Mode: 5.5 kW

    • 200% for 3 seconds

    • 150% for 57 seconds

    • 100% for 240 seconds

Integrated Interfaces

• I/O Ports:

  • 6 × Digital Inputs (DI)

  • 2 × Digital Outputs (DO)

  • 1 × Analog Input (AI)

  • 1 × Analog Output (AO)

  • 1 × Motor Temperature Input (Mot_t)

• Communication: PROFINET-PN (integrated)

Safety & Protection

• Safe Torque Off (STO) function

• Protection Class: IP20 / UL Open Type

• Integrated EMC Filter: Class A

Mechanical

• Frame Size: FSB

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

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Datasheet in PDF