
*Image shown is a representation only. Actual product may vary.
Siemens 6SL3255-0AA00-2CA0
by Siemens
Read verified buyer reviews ↓OverviewThe Siemens 6SL3255-0AA00-2CA0 operates as the CU250S-2 DP Control Unit, a crucial element in the SINAMICS G120 drive system. This advanced control unit is designed for accurate and efficient motor operation in numerous industrial settings. Its design supports seamless PROFIBUS communication, ensuring dependable integration into current automation environments. A key attribute is its built-in Safe Torque Off (STO) function, which boosts operational safety in demanding situations. Constructed with a modular approach, it enables adaptable and scalable drive solutions, allowing businesses to readily modify and expand their systems while sustaining optimal functionality.Key Features Dedicated Control for SINAMICS G120: Engineered for optimal compatibility and performance with the SINAMICS G120 modular drive system. Integrated PROFIBUS-DP Interface: Provides swift and dependable communication for efficient data exchange within your automation network. Advanced Safety with STO: Includes a built-in Safe Torque Off (STO) safety function, meeting SIL 2 / PL d standards, to improve operational safety. Comprehensive Diagnostic and Parameterization: Effortlessly set up and monitor your drive system using STARTER and Startdrive software within TIA Portal. Modular System Architecture: Enables clear separation of power and control units, streamlining maintenance, upgrades, and system expandability. Versatile Motor Control Modes: Offers both vector and V/f control capabilities, providing adaptability for various motor types and application needs. Real-time Performance Monitoring: Allows continuous observation of operational status and instant communication for immediate system insights. Technical Specifications Siemens Code: 6SL3255-0AA00-2CA0 Product Type: Control Unit CU250S-2 DP Communication Protocol: PROFIBUS DP Safety Functions: Integrated STO (Safe Torque Off) compliant with SIL 2 / PL d Supported Drive System: SINAMICS G120 Cooling Method: Natural convection Mounting Type: Flexible DIN rail or panel mount installation Parameterization Software: Compatible with STARTER and Startdrive in TIA Portal Protection Rating: IP20 Operating Temperature: –10 °C to +60 °C Dimensions (W x H x D): Approximately 73 × 193 × 66 mm Applications Modular Machine and Plant Automation: Perfect for sophisticated industrial setups requiring adaptable and scalable control solutions. Conveying Systems: Guarantees precise and dependable motor control for various material handling and transport tasks. Industrial Pumps and Fans: Enhances efficiency and performance in pumping and ventilation systems across diverse sectors. Material Handling Systems: Boosts the accuracy and safety of automated storage and retrieval systems, alongside other handling equipment. Safety-Critical Machinery: Crucial for applications where integrated Safe Torque Off (STO) functionality is essential for safeguarding operators and equipment. Why Choose?Seamless PROFIBUS Integration: Achieve effortless communication and integration into your existing industrial networks, minimizing setup time and complexity.Enhanced Safety Standards: Benefit from the integrated STO safety function, providing a reliable safeguard for personnel and machinery, meeting stringent safety requirements.Optimized Modular Design: Its modular architecture simplifies maintenance, facilitates quick upgrades, and allows for flexible system expansion to meet evolving operational needs.Part of the High-Performance SINAMICS G120 System: Leverage the full power and reliability of the SINAMICS G120 ecosystem, renowned for its efficiency and robust performance in drive technology.Unwavering Siemens Quality and Support: Invest with confidence, knowing you are backed by Siemens' global reputation for engineering excellence, quality manufacturing, and comprehensive technical support.Order NowElevate your industrial automation capabilities today with the Siemens 6SL3255-0AA00-2CA0 Control Unit. Contact us to learn more or to place your order.FAQWhat is the primary function of the Siemens 6SL3255-0AA00-2CA0?The Siemens 6SL3255-0AA00-2CA0 serves as the CU250S-2 DP Control Unit within the SINAMICS G120 drive system, providing precise and efficient motor control for various industrial applications.Does this control unit include safety features?Yes, it features an integrated Safe Torque Off (STO) safety function, compliant with SIL 2 / PL d, to enhance operational safety in critical environments.What communication protocols does it support?The unit supports seamless communication via PROFIBUS DP, ensuring reliable integration into existing automation landscapes.Is the 6SL3255-0AA00-2CA0 compatible with specific software for configuration?Yes, it is compatible with STARTER and Startdrive software in TIA Portal for comprehensive diagnostic and parameterization.What are the benefits of its modular design?The modular design promotes scalable and flexible drive solutions, simplifying maintenance, facilitating quick upgrades, and allowing for flexible system expansion to meet evolving operational needs.
USA — Free FedEx Priority & UPS Ground · Worldwide shipping available
For more quantity please contact Customer Service
Fast Shipping
Dispatched quickly on in-stock items via UPS, FedEx & DHL worldwide.
Availability
Thousands of parts in stock — ready for immediate dispatch from Florida.
Payment Flexibility
AMEX, Visa, MasterCard, PayPal, Discover and wire transfer accepted.
Siemens 6SL3255-0AA00-2CA0
Overview
This is a genuine Siemens component from the Variable Frequency Drives 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 Variable Frequency Drives 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 Variable Frequency Drives family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Siemens Code: 6SL3255-0AA00-2CA0
- Product Type: Control Unit CU250S-2 DP
- Communication Protocol: PROFIBUS DP
- Safety Functions: Integrated STO (Safe Torque Off) compliant with SIL 2 / PL d
- Supported Drive System: SINAMICS G120
- Cooling Method: Natural convection
- Mounting Type: Flexible DIN rail or panel mount installation
- Parameterization Software: Compatible with STARTER and Startdrive in TIA Portal
- Protection Rating: IP20
- Operating Temperature: –10 °C to +60 °C
- Dimensions (W x H x D): Approximately 73 × 193 × 66 mm
Applications
- Modular Machine and Plant Automation: Perfect for sophisticated industrial setups requiring adaptable and scalable control solutions.
- Conveying Systems: Guarantees precise and dependable motor control for various material handling and transport tasks.
- Industrial Pumps and Fans: Enhances efficiency and performance in pumping and ventilation systems across diverse sectors.
- Material Handling Systems: Boosts the accuracy and safety of automated storage and retrieval systems, alongside other handling equipment.
- Safety-Critical Machinery: Crucial for applications where integrated Safe Torque Off (STO) functionality is essential for safeguarding operators and equipment.
Why Choose the 6SL3255-0AA00-2CA0?
Seamless PROFIBUS Integration: Achieve effortless communication and integration into your existing industrial networks, minimizing setup time and complexity.
Enhanced Safety Standards: Benefit from the integrated STO safety function, providing a reliable safeguard for personnel and machinery, meeting stringent safety requirements.
Optimized Modular Design: Its modular architecture simplifies maintenance, facilitates quick upgrades, and allows for flexible system expansion to meet evolving operational needs.
Part of the High-Performance SINAMICS G120 System: Leverage the full power and reliability of the SINAMICS G120 ecosystem, renowned for its efficiency and robust performance in drive technology.
Unwavering Siemens Quality and Support: Invest with confidence, knowing you are backed by Siemens' global reputation for engineering excellence, quality manufacturing, and comprehensive technical support.
Availability & Shipping
- ▸In stock: 6SL3255-0AA00-2CA0 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 6SL3255-0AA00-2CA0 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
What Verified Buyers Say
No reviews yet for this product. Be the first verified buyer to share your experience — we email a review invitation after every purchase.
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.