6SL3210-1KE21-3AF1
Product Overview
The Siemens SINAMICS G120C (6SL3210-1KE21-3AF1) is a compact, high-performance 3-phase variable frequency drive (VFD) built for industrial automation and precision motor control. Designed to operate on a 380–480 V AC 3-phase input, this model provides 5.5 kW (7.5 HP) in Low Overload mode and 4.0 kW (5 HP) in High Overload mode. It features an integrated EMC Filter (Class A), Safe Torque Off (STO) functionality, and an embedded PROFINET communication interface. The G120C delivers powerful, reliable performance in a compact, panel-friendly footprint.
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 | 13.7 A (Low Overload) / 11.5 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 | Integrated Class A Filter |
| Fieldbus Interface | Embedded PROFINET Communication |
Mechanical & Environmental
| Specification | Details |
|---|---|
| Enclosure Rating | IP20 (Open Type / UL Open) |
| Frame Size | FSA |
| 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 × 225 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, USS/Modbus RTU supported depending on configuration |
Compliance & Ratings
-
IEC/EN 61800-3 (EMC)
-
IEC/EN 61800-5-1 (Safety)
-
UL / CSA / CE Certified
-
RoHS / REACH Compliant
Applications
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Industrial motors, pumps, fans, and conveyors
-
OEM machinery and control systems
-
Automation panels requiring compact, network-ready drives
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Installations requiring built-in safety and reliable overload capacity
Couldn't load pickup availability
- Express Delivery
- 12 Months Warranty
- 7 Days Easy Replace
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Vendor:
SIEMENS
