Siemens 6SL3120-1TE21-8AA3

1. Product Overview
The 6SL3120-1TE21-8AA3 is a single-motor module of the SINAMICS S120 series from Siemens, which is mainly used for motor drive control in industrial automation systems. The module adopts a book-type design and compact structure, which is suitable for high-precision servo control, frequency conversion speed regulation and other application scenarios.

2. Key parameters
- Input voltage: 600 V DC (DC link voltage range 510 V - 720 V)
- Output voltage: 400 V AC, three-phase
- Rated current: 18 A
- Cooling method: internal air cooling
- Degree of protection: IP20
- Dimensions: 270 × 380 × 50 mm
- Weight: approx. 5.08 kg
- Operating temperature range: 0°C to 40°C.

3. Main functions and features
- Efficient drive: suitable for asynchronous and synchronous motors, supporting highly dynamic response control.
- Integrated safety functions: Supports DRIVE-CLiQ communication for easy integration with Siemens automation systems such as SIMATIC PLC.
- Energy-saving optimization: Low power loss (0.165 kW) for long-term stable operation.
- Wide range of applications: It can be used in industrial scenarios such as pumps, fans, conveying equipment, and machine tools.

4. Typical Applications
- Industrial automation: e.g. production line drive systems, material handling equipment.
- HVAC systems: fan and pump control for HVAC and water treatment equipment.
- CNC machines: high-precision servo drives, such as spindle control.

Details of Siemens 6SL3120-1TE21-8AA3