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6SL3210-1KE21-3UF1

Product Overview

The Siemens SINAMICS G120C (6SL3210-1KE21-3UF1) is a compact, high-efficiency 3-phase variable frequency drive (VFD) engineered for precision motor control and automation applications. It operates on a 380–480 V AC 3-phase power supply, delivering 5.5 kW (7.5 HP) in Low Overload mode and 4.0 kW (5 HP) in High Overload mode. The “UF” variant is unfiltered, making it ideal for systems that use an external EMC filter. With integrated Safe Torque Off (STO) and PROFINET communication, this model is built for reliable and versatile performance in demanding industrial environments.


Electrical & Operational Specifications

Specification Details
Input Voltage 3-Phase 380–480 V AC (-20% / +10%)
Power Rating (Low Overload) 5.5 kW (7.5 HP) – 150% for 3 s / 110% for 57 s (300 s cycle)
Power Rating (High Overload) 4.0 kW (5 HP) – 200% for 3 s / 150% for 57 s (300 s cycle)
Output Current 16.5 A (Low Overload) / 12.8 A (High Overload)
Frequency Range 0–599 Hz
Switching Frequency Nominal 4 kHz (adjustable up to 16 kHz with derating)
Overload Capacity LO: 150% for 3 s / 110% for 57 s
HO: 200% for 3 s / 150% for 57 s
Control Modes V/f Control, Sensorless Vector, Torque Control
Integrated Safety Safe Torque Off (STO)
EMC Filter External filter required (Unfiltered version)
Fieldbus Interface Embedded PROFINET Communication

Mechanical & Environmental

Specification Details
Enclosure Rating IP20 (Open Type)
Frame Size FSB
Mounting Type Wall or Panel Mount
Cooling Method Forced Air
Approx. Weight ≈ 2.1 kg (4.6 lb)
Dimensions (H × W × D) 196 mm × 100 mm × 203 mm
Operating Temperature -10 °C to +40 °C (derating above 40 °C)
Installation Altitude Up to 1000 m (derating above 1000 m)
Humidity 5–95% non-condensing

Control & Communication

Specification Details
Digital I/O 6 Inputs / 2 Outputs
Analog I/O 1 Input / 1 Output
Relay Outputs 1 Form C Relay (programmable)
Safety Function Safe Torque Off (STO), SIL 2 / PL d Certified
Integrated Networks PROFINET communication support

Compliance & Ratings

  • IEC/EN 61800-3 (EMC)

  • IEC/EN 61800-5-1 (Safety)

  • UL / CSA / CE Certified

  • RoHS / REACH Compliant


Applications

  • Industrial machinery, fans, pumps, and conveyors

  • OEM automation systems requiring compact drives

  • Control panels using external EMC filters

  • Applications needing integrated safety and PROFINET networking

Regular price $487.20
Sale price $487.20 Regular price
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  • Express Delivery
  • 12 Months Warranty
  • 7 Days Easy Replace
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  • Vendor:

    SIEMENS

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