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Siemens 6SL3126-2TE21-8AA3 SINAMICS S120 Power Module for industrial automation

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Siemens 6SL3126-2TE21-8AA3

by Siemens

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OverviewEnhance your industrial control systems with the Siemens 6SL3126-2TE21-8AA3 SINAMICS S120 Power Module. This finely crafted power module delivers exceptional accuracy and efficiency for dynamic regulation of three-phase AC motors. Providing a strong 7.5 kW power output, it serves as a crucial component for dependable operation, outstanding energy conservation, and adaptable modularity across various industrial settings. Engineered to fulfill the demanding requirements of contemporary manufacturing, this module ensures top-tier performance, boosting productivity and lowering operational expenses.Key Features SINAMICS S120 Series Integration: A core component of Siemens' acclaimed SINAMICS S120 line, recognized for agile performance and adaptability. Robust 7.5 kW Output: Supplies substantial power for numerous motor control tasks, guaranteeing stable and consistent functioning. Optimized for 3AC 380–480 V Power: Designed for seamless integration into standard industrial power grids, improving compatibility and simple deployment. Advanced Vector Management: Offers high-performance, precise motor regulation, resulting in smoother operation, greater accuracy, and improved system responsiveness. Modular and Flexible Architecture: Provides remarkable adaptability for system expansion and customization, allowing for adjustment to evolving industrial needs. Integrated Diagnostics and Safety: Boosts operational security and minimize downtime through extensive monitoring and protective functionalities. Energy Efficiency Focused: Developed to optimize power usage, leading to considerable energy savings and a reduced environmental footprint. Technical Specifications Siemens Part Number: 6SL3126-2TE21-8AA3 Series: SINAMICS S120 Output Capacity: 7.5 kW Rated Output Current: 15 A (at 400 V) Input Voltage: 3AC 380–480 V ±10% Frequency Range: 0–500 Hz Cooling Method: Internal air circulation Environmental Protection: IP20 Operating Temperature: –10 °C to +40 °C Certifications: CE, UL, cUL Applications Pumps and Ventilation Systems: Improves fluid movement and air circulation systems for maximum efficiency and control. Conveyor Mechanisms: Ensures smooth, accurate, and reliable material handling in manufacturing and logistics. Machine Tools: Provides accurate spindle and axis control for enhanced machining precision and productivity. Process Automation: Essential for maintaining stable and effective operations in chemical, pharmaceutical, and food & beverage sectors. Industrial Production Lines: Powers diverse machinery and processes, contributing to fluid and high-volume production. Textile Equipment: Enables precise regulation of motors in spinning, weaving, and finishing processes. Why Choose This Model? Exceptional Accuracy and Performance: Experience superior motor regulation that translates into optimized process performance and reduced energy expenditure. Trusted Siemens Quality: Benefit from reliable engineering and enduring construction, ensuring long-term operational stability and minimal upkeep. Future-Ready Modular Construction: The expandable design allows for straightforward integration into existing systems and accommodates future upgrades, safeguarding your investment. Increased System Availability: Integrated diagnostics and safety features proactively protect your equipment, significantly cutting down unexpected downtime and enhancing output. Broad Industry Applicability: Its versatility across a wide array of applications makes it an ideal choice for diverse industrial environments, from light manufacturing to heavy industry. Comprehensive Global Certifications: Adherence to CE, UL, and cUL standards guarantees compliance with international safety and quality protocols. Order NowUnleash the full capabilities of your industrial automation with the Siemens 6SL3126-2TE21-8AA3 SINAMICS S120 Power Module. Invest in accuracy, dependability, and efficiency to propel your operations forward. Order today and witness the impact of Siemens engineering in your industrial applications.FAQWhat is the primary function of the Siemens 6SL3126-2TE21-8AA3?The Siemens 6SL3126-2TE21-8AA3 is a SINAMICS S120 Power Module designed to provide precise and efficient variable-speed control for three-phase AC motors in industrial automation systems, offering a robust 7.5 kW output.What are the voltage requirements for this power module?This power module is optimized for a 3AC 380–480 V ±10% supply voltage, making it suitable for seamless integration into common industrial power grids.Can this module be easily integrated into existing systems?Yes, its modular and scalable design ensures exceptional flexibility for system expansion and customization, allowing for easy integration into existing setups and adaptation to evolving industrial needs.What industries commonly use this Siemens power module?This module is highly versatile and used across various industries, including pumps and fans, conveyor systems, machine tools, process automation, industrial production lines, and textile machinery, due to its precision and reliability.Does this power module offer energy-saving benefits?Absolutely, it is engineered to optimize power consumption, leading to significant energy savings and contributing to a lower environmental footprint for industrial operations.

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PRODUCT DETAILS

Siemens 6SL3126-2TE21-8AA3

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:

  1. Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. 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

  • Siemens Part Number: 6SL3126-2TE21-8AA3
  • Series: SINAMICS S120
  • Output Capacity: 7.5 kW
  • Rated Output Current: 15 A (at 400 V)
  • Input Voltage: 3AC 380–480 V ±10%
  • Frequency Range: 0–500 Hz
  • Cooling Method: Internal air circulation
  • Environmental Protection: IP20
  • Operating Temperature: –10 °C to +40 °C
  • Certifications: CE, UL, cUL

Applications

  • Pumps and Ventilation Systems: Improves fluid movement and air circulation systems for maximum efficiency and control.
  • Conveyor Mechanisms: Ensures smooth, accurate, and reliable material handling in manufacturing and logistics.
  • Machine Tools: Provides accurate spindle and axis control for enhanced machining precision and productivity.
  • Process Automation: Essential for maintaining stable and effective operations in chemical, pharmaceutical, and food & beverage sectors.
  • Industrial Production Lines: Powers diverse machinery and processes, contributing to fluid and high-volume production.
  • Textile Equipment: Enables precise regulation of motors in spinning, weaving, and finishing processes.

Why Choose the 6SL3126-2TE21-8AA3?

  • Exceptional Accuracy and Performance: Experience superior motor regulation that translates into optimized process performance and reduced energy expenditure.
  • Trusted Siemens Quality: Benefit from reliable engineering and enduring construction, ensuring long-term operational stability and minimal upkeep.
  • Future-Ready Modular Construction: The expandable design allows for straightforward integration into existing systems and accommodates future upgrades, safeguarding your investment.
  • Increased System Availability: Integrated diagnostics and safety features proactively protect your equipment, significantly cutting down unexpected downtime and enhancing output.
  • Broad Industry Applicability: Its versatility across a wide array of applications makes it an ideal choice for diverse industrial environments, from light manufacturing to heavy industry.
  • Comprehensive Global Certifications: Adherence to CE, UL, and cUL standards guarantees compliance with international safety and quality protocols.

Availability & Shipping

  • In stock: 6SL3126-2TE21-8AA3 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 6SL3126-2TE21-8AA3 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Siemens

The Siemens 6SL3126-2TE21-8AA3 is a SINAMICS S120 Power Module designed to provide precise and efficient variable-speed control for three-phase AC motors in industrial automation systems, offering a robust 7.5 kW output.

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.

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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.

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