The Siemens 6SL3210-1KE23-8AP1 is a SINAMICS G120C compact frequency converter with a rated power of 18.5 kW / 25 HP (Low Overload). With its Frame Size FSC design, it is ideal for standard drive applications in machine building and industrial automation, such as conveyor belts, mixers, pumps, fans, and compressors.
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6SL3210-1KE23-8AP1Order(MOQ) :
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3~5 daysWeight :
9kg| Specification | Description |
|---|---|
| Manufacturer | Siemens |
| Model | 6SL3210-1KE23-8AP1 |
| Product Family | SINAMICS G120C |
| Product Type | Compact Frequency Converter |
| Rated Power (LO) | 18.5 kW / 25 HP at 150% overload for 3 s, 110% for 57 s, 100% for 240 s |
| Rated Power (HO) | 15.0 kW / 20 HP 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) | 37 A |
| Output Current (HO) | 31 A |
| Maximum Output Current | 76 A |
| Frame Size | FSC |
| Dimensions (H x W x D) | 295 mm x 140 mm x 203 mm |
| Protection Rating | IP20 / UL Open Type |
| Integrated Filter | Class A EMC Filter |
| Communication | PROFIBUS DP (integrated) |
| I/O Interface | 6 DI, 2 DO, 1 AI, 1 AO, 1 Motor Temperature Sensor |
| Safety Function | STO (Safe Torque Off) integrated |
| Output Frequency | 0–550 Hz (V/f control); 0–240 Hz (Vector control) |
| Pulse Frequency | 4 kHz (nominal), 16 kHz (max.) |
| Operating Temperature | -20°C to +40°C (up to +60°C with derating) |
| Weight | Approx. 2.49 kg |
| Country of Origin | GB (United Kingdom) |
| Model | Description | Typical Application |
|---|---|---|
| 6SL3210-1KE23-8AP1 (this model) | G120C, 18.5 kW, PROFIBUS DP, Filter A, FSC | Standard drive applications with PROFIBUS |
| 6SL3210-1KE23-8UP1 | Same power, unfiltered version | Applications with external filtering |
| 6SL3210-1KE23-2AP1 | G120C, 15 kW, PROFIBUS DP, Filter A | Smaller motor applications |
| 6SL3210-1KE22-6AP1 | G120C, 11 kW, PROFIBUS DP, Filter A | Smaller motor applications |
| 6SL3210-1KE23-8AF1 | Same power, PROFINET communication | Applications requiring PROFINET |
| 6SL3201-0BE23-8AA0 | Braking resistor for 18.5 kW G120C | Dynamic braking applications |
| 6SL3202-0AE23-8CA0 | Output reactor for 18.5 kW G120C | Long motor cable applications |
Q1: What is the primary function of the 6SL3210-1KE23-8AP1?
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, mixers, pumps, fans, and compressors .
Q2: What communication protocol does this converter support?
This specific model includes PROFIBUS DP communication as standard . For applications requiring PROFINET, the 6SL3210-1KE23-8AF1 variant should be selected. The G120C family also offers USS/Modbus RTU versions for serial communication applications.
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" (e.g., 6SL3210-1KE23-8UP1).
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. The STO function can be activated via terminals or PROFIsafe without additional external components .
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 18.5 kW / 25 HP. High Overload (HO) is for applications with high starting torque or frequent starts/stops (e.g., conveyors, mixers), rated at 15.0 kW / 20 HP. Choose the rating based on your motor's most demanding operating conditions.
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