Product Description
Key Features
- Rated power and overload: Rated output power: 5.50 kW | 7.50 hp (LO) and 4.00 kW | 5.00 hp (HO). Low overload: 150% for 3s, 110% for 57s, 100% for 240s; high overload: 200% for 3s, 150% for 57s, 100% for 240s.
- Input and output ratings: Input: 3 AC, 380 … 480 V +10 % -20 %, 47 … 63 Hz. Output: 3 AC, rated voltage 400V IEC | 480V NEC, and maximum output current 17.60 A.
- I/O and safety: The unit has 6 standard digital inputs, 1 fail-safe digital input, 1 relay changeover contact, 1 transistor output, 1 differential analog input, and 1 non-isolated analog output. Safe Torque Off is integrated.
- Control techniques: Supported control includes V/f linear / square-law / parameterizable, V/f with flux current control (FCC), V/f ECO linear / square-law, and sensorless vector control.
- Communication and connections: Fieldbus: USS/MODBUS RTU. Line-side and motor-end connections use plug-in screw terminals. The PE connection is on the housing with an M4 screw.
- Mechanical and protection data: Frame size: FSB. Dimensions: 100 mm width x 203 mm depth. Net weight: 2.30 kg (5.07 lb). Degree of protection: IP20 / UL open type. Cooling uses an integrated fan.
Technical Summary
| Product | 6SL3210-1KE21-3AB1 |
|---|---|
| Product family | SINAMICS G120C |
| Lifecycle | Active Product |
| Input | 3 AC, 380 … 480 V +10 % -20 %, 47 … 63 Hz |
| Rated output power (LO) | 5.50 kW | 7.50 hp |
| Rated output power (HO) | 4.00 kW | 5.00 hp |
| I/O | 6DI, 1 fail-safe digital input, 1 relay changeover contact, 1 transistor output, 1 differential analog input, 1 non-isolated analog output |
| Communication | USS/MODBUS RTU |
| Protection | IP20 / UL open type |
| Frame size | FSB |
Frequently Asked Questions
What input rating should be confirmed for 6SL3210-1KE21-3AB1?
Input is 3 AC, 380 … 480 V +10 % -20 % at 47 … 63 Hz.
What are the low-overload and high-overload output ratings?
Low overload is 5.50 kW | 7.50 hp; high overload is 4.00 kW | 5.00 hp. The overload durations are 150% for 3s, 110% for 57s, 100% for 240s (LO), and 200% for 3s, 150% for 57s, 100% for 240s (HO).
Which communication interface and terminals does it have?
Communication is USS/MODBUS RTU. Line-side and motor-end connections use plug-in screw terminals.
Does this configuration include encoder feedback control?
It is without vector control with sensor, encoderless torque control, and torque control with encoder.
