Siemens 6SL3210-1KE12-3AF2 SINAMICS G120C Frequency Converter 0.75kW

The Siemens 6SL3210-1KE12-3AF2 is a SINAMICS G120C compact frequency converter designed for variable-speed motor control in industrial applications. It accepts a 3 AC supply of 380-480 V and delivers a rated output power of 0.75 kW (LO) or 0.55 kW (HO) at a rated output current of 2.30 A, with a maximum output current of 3.40 A. Onboard PROFINET and EtherNet/IP communication enables direct integration into modern industrial networks.

Technical specifications:

• MLFB: 6SL3210-1KE12-3AF2
• Manufacturer: Siemens
• Product line: SINAMICS G120C
• Input: 3 AC, 380-480 V (+10% / -20%), 47-63 Hz
• Input current: 2.90 A (LO) / 2.50 A (HO)
• Output: 3 AC, 400 V IEC / 480 V NEC
• Rated power: 0.75 kW / 1.00 hp (LO), 0.55 kW / 0.75 hp (HO)
• Rated current (IN): 2.30 A; max output current: 3.40 A
• Output frequency: 0-240 Hz (vector control), 0-550 Hz (V/f control)
• Overload (LO): 150% for 3 s, then 110% for 57 s per 300 s cycle
• Overload (HO): 200% for 3 s, then 150% for 57 s per 300 s cycle
• Communication: PROFINET, EtherNet/IP
• Digital inputs: 6 standard + 1 fail-safe
• Digital outputs: 1 relay changeover contact, 1 transistor (each DC 30 V / 0.5 A)
• Analog/digital input: 1 differential, 10-bit; analog output: 1 non-isolated
• Motor temperature sensor: PTC, KTY, Thermo-Click (accuracy ±5 °C)
• Integrated EMC filter: Class A
• Efficiency: 0.97; efficiency class: IE2 (IEC 61800-9-2)
• Degree of protection: IP20 / UL open type
• Frame size: FSAA
• Operating temperature: -10 to 40 °C
• Max. installation altitude: 1,000 m
• Dimensions (W x H x D): 73 x 173 x 160 mm
• Net weight: 1.40 kg
• Standards: CE, cUL, UL, KC, EAC, C-Tick (RCM)

Features and benefits:

• PROFINET and EtherNet/IP onboard for seamless integration into industrial Ethernet networks without additional communication modules
• Sensorless vector control enables accurate speed and torque regulation without an encoder
• Integrated Class A EMC filter reduces installation complexity and external component count
• Fail-safe digital input supports safety-oriented control without a separate safety relay
• High overload capability (200% for 3 s in HO mode) handles demanding start-up loads
• IE2 efficiency class per IEC 61800-9-2 supports energy-efficiency compliance requirements

Applications:

• Variable-speed control of small conveyor and handling systems requiring PROFINET connectivity
• Pump and fan drives where energy savings through variable-speed operation are required
• Machines with safety functions that use the integrated fail-safe digital input
• Compact control panels where the FSAA frame size and IP20 enclosure are sufficient
• General-purpose motor drives in automated production lines with EtherNet/IP infrastructure

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

Also known as: Siemens 6SL3210-1KE12-3AF2, SINAMICS G120C 0.75kW frequency converter, Siemens G120C compact inverter.