The Siemens 6SL3210-1KE12-3AF2 is a SINAMICS G120C compact frequency converter with a rated power of 0.75 kW for low overload (LO) applications. The converter operates on 3 AC 380–480 V input and features an integrated Class A line filter, PROFINET communication, and Safe Torque Off (STO) as standard.
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6SL3210-1KE12-3AF2Order(MOQ) :
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3kg| Specification | Description |
|---|---|
| Manufacturer | Siemens |
| Model | 6SL3210-1KE12-3AF2 |
| Product Family | SINAMICS G120C |
| Product Type | Compact Frequency Converter |
| Rated Power (LO) | 0.75 kW at 150% overload for 3 s, 110% for 57 s, 100% for 240 s |
| Rated Power (HO) | 0.55 kW at 200% overload for 3 s, 150% for 57 s, 100% for 240 s |
| Input Voltage | 3 AC 380–480 V (+10% / -20%) |
| Input Frequency | 47–63 Hz |
| Output Current (LO) | 2.2 A |
| Output Current (HO) | 1.7 A |
| Frame Size | FSAA |
| Dimensions (H x W x D) | 173 mm x 73 mm x 160 mm |
| Protection Rating | IP20 / UL Open Type |
| Integrated Filter | Class A |
| Communication | PROFINET (integrated) |
| I/O Interface | 6 DI, 2 DO, 1 AI, 1 AO, 1 Motor Temperature Sensor |
| Safety Function | STO (Safe Torque Off) integrated |
| Operating Temperature | -10°C to +40°C (up to +50°C/+60°C with derating) |
| Pulse Frequency | 4 kHz (default), up to 16 kHz with derating |
| Weight | Approx. 1.4 kg (with filter) |
| Country of Origin | Germany |
| Lifecycle Status | Active |
| Model | Description | Typical Application |
|---|---|---|
| 6SL3210-1KE12-3AF2 (this model) | G120C, 0.75 kW, PROFINET, Filter A, FSAA | Standard drive applications with PROFINET |
| 6SL3210-1KE12-3AB2 | Same power, USS/Modbus RTU communication | Applications requiring serial communication |
| 6SL3210-1KE12-3UF2 | Same power, unfiltered version | Applications with external filtering |
| 6SL3210-1KE11-8AF2 | G120C, 0.55 kW, PROFINET, Filter A | Smaller motor applications |
| 6SL3210-1KE13-2AF2 | G120C, 1.1 kW, PROFINET, Filter A | Larger motor applications |
| 6SL3210-1KE12-3AF1 | Predecessor model (spare part) | Replacement for existing installations |
Q1: What is the primary function of the 6SL3210-1KE12-3AF2?
It is a compact frequency converter in the SINAMICS G120C series, used to control the speed and torque of three-phase AC motors. It provides variable speed control for standard drive applications such as conveyors, pumps, fans, and simple machine tools.
Q2: What communication protocols does this converter support?
This specific model includes PROFINET communication as standard. For applications requiring USS or Modbus RTU, the 6SL3210-1KE12-3AB2 variant should be selected. The G120C family also offers PROFIBUS DP versions for applications with existing PROFIBUS networks.
Q3: Does this converter include a built-in line filter?
Yes. The "A" in the model number indicates an integrated Class A line filter, which helps reduce electromagnetic interference and ensures compliance with EMC requirements for industrial environments. For unfiltered versions, the model number would include "U" instead of "A".
Q4: What safety functions are available?
The converter features Safe Torque Off (STO) as an integrated safety function, certified up to SIL 3. This allows the motor to be safely de-energized without removing power from the drive, enabling faster restart after a safety demand. Additional safety functions (SS1, SLS, etc.) can be activated via a license.
Q5: What is the difference between the LO and HO ratings?
Low Overload (LO) is for applications with relatively constant loads (e.g., pumps, fans), rated at 0.75 kW. High Overload (HO) is for applications with high starting torque or frequent starts/stops (e.g., conveyors, mixers), rated at 0.55 kW. Choose the rating based on your motor's most demanding operating conditions.
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