Product information
Overview
Key Features
- Low- and high-overload ratings: Rated power is 5.50 kW | 7.50 hp for low overload and 4.00 kW | 5.00 hp for high overload. Low overload supports 150% for 3s, 110% for 57s, and 100% for 240s; high overload supports 200% for 3s, 150% for 57s, and 100% for 240s.
- Input and output ratings: The converter has 3 AC input and 3 AC output. Line voltage is 380 … 480 V +10 % -20 %, line frequency is 47 … 63 Hz, and maximum output current is 17.60 A.
- Control and communication: 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 interfaces are PROFINET and EtherNet/IP.
- I/O interface: The interface has 6 standard digital inputs, 1 fail-safe digital input, 1 relay changeover contact, 1 transistor output, 1 differential analog/digital input with 10 bit resolution, and 1 non-isolated analog output.
- Connections and motor cable: Line-side, motor-end, and DC-link connections use plug-in screw terminals. The maximum shielded motor cable length is 50 m (164.04 ft); the PE connection is on the housing with an M4 screw.
Technical Summary
| Product lifecycle | Active Product |
|---|---|
| Rated power (LO) | 5.50 kW | 7.50 hp |
| Rated power (HO) | 4.00 kW | 5.00 hp |
| Line voltage | 380 … 480 V +10 % -20 % |
| Line frequency | 47 … 63 Hz |
| Communication | PROFINET, EtherNet/IP |
| I/O interface | 6DI, 2DO, 1AI, 1AO, 1 fail-safe digital input |
| Control techniques | V/f linear / square-law / parameterizable; V/f with flux current control (FCC); V/f ECO linear / square-law; sensorless vector control |
| Degree of protection | IP20 / UL open type |
| Frame size | FSB |
Frequently Asked Questions
What overload ratings does the Siemens 6SL3210-1KE21-3AF1 support?
It has 5.50 kW | 7.50 hp rated power under low overload and 4.00 kW | 5.00 hp under high overload, with the supplied overload durations.
Which control and communication interfaces are available?
It supports V/f and sensorless vector control techniques, with PROFINET and EtherNet/IP communication.
What connections and protection does this configuration have?
It uses plug-in screw terminals for the line side, motor end, and DC link, with IP20 / UL open type protection.
What should be included in a quotation request?
Please provide the required quantity, destination, requested date, and project or MRO list for model-specific quotation review.
