Siemens G120C Inverter drive, Profibus, 480V, 7.5kW Part number 6SL3210-1KE21-7UP1

Product Overview

The Siemens SINAMICS G120C Frequency Converter (SKU: 6SL3210-1KE21-7UP1) is a compact, energy-efficient drive for three-phase operation in industrial automation. It operates on a 3AC 380–480 V supply (47–63 Hz) and delivers a rated power of 7.5 kW with robust overload capability, integrated safety, and easy commissioning for standard motion and variable-speed applications.

Key Features

• Rated power: 7.5 kW at 3AC 380–480 V
• Overload (Low Overload mode): 150% for 3 s, 110% for 57 s, 100% for 240 s
• Overload (High Overload mode): 200% for 3 s, 150% for 57 s (5.5 kW rating)
• Integrated Safe Torque Off (STO)
• Compact frame size FSB with forced-air cooling
• Fast setup, diagnostics, and energy-efficient operation

Technical Specifications

• Product Type: SINAMICS G120C frequency converter
• Article Number: 6SL3210-1KE21-7UP1
• Input Voltage/Frequency: 3AC 380–480 V (+10% / −20%), 47–63 Hz
• Rated Output Power: 7.5 kW (LO)
• Overload Capability (LO): 150% / 3 s; 110% / 57 s; 100% / 240 s
• High Overload Mode: 5.5 kW (200% / 3 s; 150% / 57 s)
• Rated Output Current (typ.): ~21.5 A (LO) / ~18.2 A (HO)
• Protection: IP20 / UL Open Type
• Frame Size: FSB (approx. 100 × 196 × 203 mm, W×H×D)
• Cooling: Forced-air (fan)

Compliance & Certifications

• CE, cULus, EAC

Applications

Suitable for pumps, fans, compressors, conveyors, and general machinery requiring compact design, robust overload capability, and straightforward commissioning. Integrates smoothly in Siemens automation environments with built-in STO for enhanced safety.