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Siemens 6SL3120-1TE21-8AA4
by Siemens
Read verified buyer reviews ↓OverviewThe Siemens SINAMICS S120 Single Motor Module, identified by part number 6SL3120-1TE21-8AA4, is an advanced power conversion and control unit specifically designed for modern industrial automation. As a crucial element within the SINAMICS S120 drive system, it stands out for its modularity, impressive performance, and exceptional dependability. This module offers precise motor control for a wide array of applications, featuring a robust 18A rated output current and a 600V DC input voltage. Its compact Booksize design enables effortless integration into new or existing industrial setups, making it a prime choice for complex motion control tasks where accuracy is paramount. This unit is crafted to boost the performance and longevity of your equipment, providing consistent operation across diverse industrial settings.Key Features High-Performance 18A Output: Delivers ample power for medium-power industrial motor applications, ensuring optimal performance and efficiency. Efficient 600V DC Input: Provides a stable and reliable power supply for consistent drive operation and superior energy conversion. Compact Booksize Modular Design: Facilitates easy and space-efficient integration into control cabinets and industrial systems, optimizing valuable floor space. Advanced Motion Control Capabilities: Offers exceptionally high-precision speed and torque regulation, critical for intricate and synchronized industrial processes. Seamless Communication Protocols: Fully compatible with leading industrial networks including PROFINET and PROFIBUS, ensuring effortless integration into existing automation architectures. Robust Industrial Compliance: Engineered to meet stringent industrial automation and safety standards, guaranteeing reliable and secure operation in challenging environments. Technical Specifications Product Type: SINAMICS S120 Single Motor Module Part Number: 6SL3120-1TE21-8AA4 Rated Output Current: 18A Input Voltage: 600V DC Frame Size: Booksize Application: Servo and Vector Motor Control Compliance: Meets industrial automation and safety standards Applications Machine Tools: Ensures ultra-precise movements and high-speed operation for cutting, milling, and grinding machinery, enhancing manufacturing accuracy. Robotics: Provides dynamic and accurate motor control for robotic arms and automated systems, enabling complex and repetitive tasks with consistency. Industrial Automation: Optimizes motor efficiency and control in automated production lines, contributing to increased throughput and reduced operational costs. Material Handling Systems: Facilitates smooth and reliable motor operation in conveyors, sorters, and automated storage and retrieval systems, minimizing downtime. Printing Machines: Offers precise registration and speed control for high-quality printing processes, reducing waste and improving output. Textile Machinery: Ensures synchronized and efficient operation of various components in textile manufacturing, leading to improved fabric quality and production rates. Why ChooseThe Siemens 6SL3120-1TE21-8AA4 is engineered for applications demanding the highest levels of accuracy, offering superior speed and torque regulation. Built with Siemens' renowned quality and durability, this module ensures long-term operational stability and minimizes maintenance needs, maximizing uptime. Its Booksize design and compatibility with standard industrial communication protocols make integration into existing SINAMICS S120 drive systems straightforward and efficient. Designed for optimal power conversion, this module helps reduce energy consumption, leading to significant operational cost savings over its lifespan.Order NowReady to enhance your industrial operations? Contact us today to learn more about the Siemens SINAMICS S120 Single Motor Module and how it can benefit your specific applications. Our team is here to assist you with selection and integration.FAQWhat is the primary function of the Siemens 6SL3120-1TE21-8AA4 module?This module acts as a power conversion and control unit within the SINAMICS S120 drive system, providing precise motor control for a range of industrial applications.What are the voltage and current ratings for this module?It features an 18A rated output current and a 600V DC input voltage.Is this module easy to integrate into existing systems?Yes, its compact Booksize format and compatibility with standard industrial communication protocols like PROFINET and PROFIBUS ensure seamless integration.What types of applications benefit most from this module?Applications requiring high precision and control, such as machine tools, robotics, material handling, printing, and textile machinery, are ideal.Does this module offer energy efficiency benefits?Yes, it is designed for optimal power conversion to help reduce energy consumption and operational costs.
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Siemens 6SL3120-1TE21-8AA4
Overview
This is a genuine Siemens component from the Servo Drives & Motion Control family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Siemens catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Siemens automation ecosystem
- Engineered to integrate inside Servo Drives & Motion Control installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Siemens platform with documented conversion notes for the Servo Drives & Motion Control family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Product Type: SINAMICS S120 Single Motor Module
- Part Number: 6SL3120-1TE21-8AA4
- Rated Output Current: 18A
- Input Voltage: 600V DC
- Frame Size: Booksize
- Application: Servo and Vector Motor Control
- Compliance: Meets industrial automation and safety standards
Applications
- Machine Tools: Ensures ultra-precise movements and high-speed operation for cutting, milling, and grinding machinery, enhancing manufacturing accuracy.
- Robotics: Provides dynamic and accurate motor control for robotic arms and automated systems, enabling complex and repetitive tasks with consistency.
- Industrial Automation: Optimizes motor efficiency and control in automated production lines, contributing to increased throughput and reduced operational costs.
- Material Handling Systems: Facilitates smooth and reliable motor operation in conveyors, sorters, and automated storage and retrieval systems, minimizing downtime.
- Printing Machines: Offers precise registration and speed control for high-quality printing processes, reducing waste and improving output.
- Textile Machinery: Ensures synchronized and efficient operation of various components in textile manufacturing, leading to improved fabric quality and production rates.
Why Choose the 6SL3120-1TE21-8AA4?
The Siemens 6SL3120-1TE21-8AA4 is engineered for applications demanding the highest levels of accuracy, offering superior speed and torque regulation. Built with Siemens' renowned quality and durability, this module ensures long-term operational stability and minimizes maintenance needs, maximizing uptime. Its Booksize design and compatibility with standard industrial communication protocols make integration into existing SINAMICS S120 drive systems straightforward and efficient. Designed for optimal power conversion, this module helps reduce energy consumption, leading to significant operational cost savings over its lifespan.
Availability & Shipping
- ▸In stock: 6SL3120-1TE21-8AA4 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 6SL3120-1TE21-8AA4 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Siemens
Machine down? We ship parts the same day.
New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
Related Siemens resources
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.