Siemens 6SL3210-1KE18-8UF1 SINAMICS G120C Compact Converter 4kW

The Siemens 6SL3210-1KE18-8UF1 is a SINAMICS G120C compact converter rated 4.00 kW (Low Overload) / 3.00 kW (High Overload) for 3-phase 380-480 V AC supply. It combines PROFINET and EtherNet/IP communication with multiple closed-loop control modes including sensorless vector control and V/f variants.

Technical specifications:

• MLFB: 6SL3210-1KE18-8UF1
• Manufacturer: Siemens
• Product line: SINAMICS G120C
• Input: 3 AC, 380-480 V (+10% / -20%), 47-63 Hz; 11.40 A (LO) / 10.60 A (HO)
• Output power: 4.00 kW / 5.00 hp (LO), 3.00 kW / 4.00 hp (HO)
• Output current: 8.80 A (LO) / 7.30 A (HO); max. 14.60 A
• Output frequency: 0-240 Hz (vector control), 0-550 Hz (V/f control)
• Communication: PROFINET, EtherNet/IP
• Digital inputs: 6 standard + 1 fail-safe; outputs: 1 relay changeover, 1 transistor
• Analog input: 1 differential 10-bit; analog output: 1
• Motor temperature sensor: PTC, KTY, Thermo-Click
• Efficiency: 0.97; efficiency class IE2 per IEC 61800-9-2
• Degree of protection: IP20 / UL open type; frame size FSA
• Dimensions (W x H x D): 73 x 196 x 200 mm; weight: 1.70 kg
• Ambient temperature (operation): -10 to 40°C
• Standards: CE, UL, cUL, KC, EAC, C-Tick (RCM)

Features and benefits:

• Dual-protocol PROFINET and EtherNet/IP communication for flexible network integration
• High overload capability: 200% for 3 s (HO) handles demanding motor start-up loads
• Sensorless vector control and V/f ECO modes support energy-efficient operation
• Integrated fail-safe digital input enables safety functions without external modules
• Compact FSA frame at 1.70 kg suits space-constrained control cabinet installations

Applications:

• Variable speed control of 3-phase AC motors in pumps, fans, and compressors
• Conveyor and material handling lines with PROFINET-based automation
• HVAC systems using V/f ECO mode for partial-load energy savings
• Machinery requiring integrated safety functions via the fail-safe digital input

Compliant with IEC 61800-9-2 (efficiency class IE2), EMC Directive 2004/108/EC, and Low-Voltage Directive 2006/95/EC. Part of the Siemens SINAMICS range.

Also known as: Siemens 6SL3210-1KE18-8UF1, Siemens SINAMICS G120C 4kW compact frequency inverter.