Servo Controller | Siemens | 6SL3120-1TE21-0AA4 6SL3 120-1TE21-0AA4 SINAMICS S120 Double Motor

Product Description: Siemens 6SL3120-1TE21-0AA4

The Siemens 6SL3120-1TE21-0AA4 is a Single Motor Module from the SINAMICS S120 drive system series. Designed in booksize format , it delivers compact, high-performance drive control for 3-phase 400 V motors, with a continuous current rating of 10 A. It is ideal for dynamic and precise motion control applications and forms part of a modular drive solution when combined with a Control Unit (CU) and other SINAMICS components.

Key Features

• Continuous output current: 10 A
• Supply voltage: 3AC 380–480 V
• Booksize format with integrated cooling system
• Designed for modular use in SINAMICS S120 drive systems
• Regenerative energy capability via shared DC link
• Integrated Safe Torque Off (STO) safety function
• Fast response time and precise motor control
• Efficient heat dissipation through push-through mounting

Technical Specifications

• Part Number: 6SL3120-1TE21-0AA4
• Input Voltage: 3AC 380–480 V ±10%
• Output Current: 10 A (continuous)
• Output Frequency: 0–650 Hz
• Cooling Method: Internal fan with push-through heat sink
• Communication: Via integrated DRIVE-CLiQ interface
• STO Safety Function: Integrated
• Mounting: Booksize (side-by-side) with common DC bus
• Dimensions (W × H × D): Approx. 55 mm × 380 mm × 270 mm
• Weight: Approx. 5.5 kg
• Protection Class: IP20
• Operating Temperature: 0 °C to +40 °C (up to +50 °C with derating)
• Certifications: CE, UL, cULus

Application Areas

• High-performance multi-axis motion control systems
• Packaging, printing, and textile machines
• Material handling and robotics
• CNC machinery requiring fast and precise drive response
• Modular automation systems using SINAMICS S120 architecture

Advantages

• Compact, space-saving booksize format
• High dynamic response for precision motion applications
• Shared DC bus allows energy-efficient multi-axis setups
• Integrated safety and diagnostics enhance system reliability
• Seamless integration with Siemens SINAMICS and SIMATIC platforms