6SL3120-1TE21-8AA3 - SERVO AZIONAMENTI - SIEMENS Repair or Buy

Siemens 6SL3120-1TE21-8AA3 – SINAMICS S120 Single Motor Module (600 V DC Input, 400 V 3 AC Output, 18 A)

Technical Description
The Siemens 6SL3120-1TE21-8AA3 is a Single Motor Module from the SINAMICS S120 family, designed to control high-performance motors in industrial automation systems.
This module features a 600 V DC input and a 400 V 3 AC output with a nominal current of 18 A, ensuring efficient and reliable motor operation. The Booksize construction format and internal air cooling facilitate easy integration into compact electrical cabinets, optimizing space and thermal management.
The module is equipped with optimized pulse patterns for precise motor control and supports extended Safety Integrated functions, making it suitable for applications requiring high safety standards. It also includes a DRIVE-CLiQ cable for reliable and direct communication with the Siemens control system.

⚙️ Key Features – Siemens 6SL3120-1TE21-8AA3

• Type: Single Motor Module

• Family: SINAMICS S120

• Input Voltage: 600 V DC

• Output Voltage: 400 V 3 AC

• Nominal Current: 18 A

• Construction Format: Booksize

• Cooling: Internal Air Cooling

• Optimized pulse patterns for precise motor control

• Supports Safety Integrated functions

• Accessories: DRIVE-CLiQ cable

• Applications: Industrial automation, motor control, and advanced drive systems

🏭 Typical Applications – Siemens 6SL3120-1TE21-8AA3

• SINAMICS S120 systems for motor control and automation

• Multi-axis drives and advanced control applications

• Energy-efficient motor drives for industrial automation

• Safety-critical applications requiring integrated safety features

• High-performance motor systems for industrial machinery

🔧 E-Repair Services for Siemens 6SL3120-1TE21-8AA3
As an Approved Siemens Partner and the only authorized Service Partner in Europe, E-Repair offers a full range of dedicated services for the 6SL3120-1TE21-8AA3, ensuring production continuity and maximum operational reliability:

• 🔧 Certified Siemens repair in the internal technical laboratory

• ♻️ Complete regeneration, including the replacement of critical components and full functional testing on a test bench

• 🚚 Advance of regenerated or new product (if available in stock)

• 🛠️ On-site and remote technical assistance from specialized technicians

• 💾 Backup and verification of machine parameters and communication

• 🌐 Technological cleaning and anti-humidity treatment to ensure stability and electronic safety

• ✅ Warranty up to 12 months, extendable to 24 months upon request

👉 All E-Repair services are compliant with international standards BS 8001:2017, AFNOR XP X30-901:2018, and ISO 14064-1 (Carbon Footprint – Scope 3).

❓ Frequently Asked Questions (FAQ) – Siemens 6SL3120-1TE21-8AA3

Can I send my faulty 6SL3120-1TE21-8AA3 module for repair?
✔️ Yes. Fill out the request form on the E-Repair website: you will receive instructions for shipping to the technical laboratory.

Can I receive a regenerated module in advance?
✔️ If regenerated or new, it can be shipped immediately to minimize downtime.

Is the module tested before delivery?
✔️ Every 6SL3120-1TE21-8AA3 regenerated or repaired by E-Repair is tested on a test bench with real operational simulations to ensure performance equivalent to that of a new module.