SIEMENS 6SL3700-0LE34-0AA3 SINAMICS S120 Cabinet Modules Line Connection Column 380A Basic Entry for 380-480V Supply

The SIEMENS 6SL3700-0LE34-0AA3 SINAMICS S120 Cabinet Modules Line Connection Column 380A provides robust and efficient power connection for 380-480V supply systems. This essential component offers key advantages such as high power density, advanced thermal management, and seamless integration into Siemens' comprehensive automation portfolio. With a rated current of 380A and support for a wide voltage range, it is engineered for demanding industrial applications requiring reliable motor control and energy efficiency. Its compact design and robust construction ensure operational stability and longevity in challenging environments.

Product Specifications

| Parameter                     | Value                                   |

| :---------------------------- | :-------------------------------------- |

| Product Type                  | SINAMICS S120 Cabinet Modules           |

| Component                     | Line Connection Column                  |

| Model Number                  | 6SL3700-0LE34-0AA3                      |

| Rated Current                 | 380 A                                   |

| Supply Voltage Range          | 380-480 V                               |

| Cooling Method                | Air Cooling                             |

| Protection Rating             | IP20                                    |

| Dimensions (H x W x D)        | 1700 mm x 600 mm x 600 mm (approx.)     |

| Weight                        | ~250 kg (approx.)                       |

| Ambient Temperature Operating | 0 °C to 45 °C (derating may apply)      |

Core Features & Market Positioning

The SIEMENS 6SL3700-0LE34-0AA3 stands out in the industrial automation market due to its integration with the SINAMICS S120 platform, renowned for its performance and flexibility. This line connection column leverages Siemens' deep expertise in drive technology, offering superior control precision and energy savings through advanced algorithms. Its robust construction and adherence to stringent industrial standards position it as a premium solution for critical applications where reliability and uptime are paramount. The modular design also facilitates easier maintenance and potential future upgrades, enhancing its long-term value proposition.

Key Application Scenarios

This SINAMICS S120 cabinet module is ideally suited for high-power motor control applications across various industries. It is frequently deployed in machine building, material handling, and process automation, particularly in sectors like automotive manufacturing, packaging, and printing. Applications requiring precise speed and torque control, such as large conveyor systems, industrial pumps, and automated assembly lines, benefit significantly from its capabilities. Its ability to handle demanding load profiles and integrate with complex control architectures makes it a versatile choice for sophisticated automation tasks.

Practical System Integration Guidance

Integrating the SIEMENS 6SL3700-0LE34-0AA3 into an existing or new control system requires careful attention to power supply, cabling, and communication. Ensure the 380-480V supply is stable and correctly phased. The unit's line connection column facilitates direct connection to the main power distribution. For optimal performance and safety, use appropriately sized conductors as specified in the Siemens documentation for the 380A rating. Communication with the SINAMICS S120 drive system typically occurs via PROFIBUS, PROFINET, or other industrial Ethernet protocols, necessitating correct configuration of the control units and network interfaces. Proper grounding is critical for electrical safety and electromagnetic compatibility.

Operation and Risk Mitigation

Operating the SIEMENS 6SL3700-0LE34-0AA3 involves ensuring environmental conditions remain within the specified operating temperature range to prevent overheating and potential component failure. Regular visual inspections for dust accumulation or physical damage are recommended. Key risk mitigation strategies include adhering strictly to the installation and wiring guidelines to prevent electrical hazards and ensuring adequate ventilation around the cabinet module. Familiarity with common fault codes and their corresponding remedies, detailed in the SINAMICS S120 system manual, is crucial for rapid troubleshooting and minimizing downtime. Always follow lockout/tagout procedures before performing any maintenance.

Scalability & Long-Term Value

The SINAMICS S120 platform, of which the 6SL3700-0LE34-0AA3 is a part, is designed with scalability in mind. This line connection column integrates seamlessly with other SINAMICS S120 components, allowing for expansion of drive systems as application needs grow. Its compatibility with Siemens' TIA Portal (Totally Integrated Automation) enables unified engineering across various automation levels, from HMI to drives and PLCs. This integration facilitates the adoption of Industry 4.0 concepts, including advanced diagnostics, predictive maintenance, and connection to digital twins, ensuring long-term operational efficiency and investment protection.

Frequently Asked Questions

What is the primary function of the SIEMENS 6SL3700-0LE34-0AA3?

This unit serves as a robust line connection for SINAMICS S120 cabinet modules. It efficiently handles power input for 380-480V supply systems.

Its core purpose is to safely and reliably connect high-power drives to the main electrical grid. It ensures stable power delivery for demanding industrial motor control applications.

This component is crucial for enabling the full functionality of SINAMICS S120 drives, providing a stable foundation for complex automation solutions.

Can the SIEMENS 6SL3700-0LE34-0AA3 be used with other drive systems?

The 6SL3700-0LE34-0AA3 is specifically designed for the SINAMICS S120 platform. Its electrical and communication interfaces are optimized for Siemens drives.

While it's possible to adapt connections, using it with non-Siemens systems may void warranties and compromise performance. It's engineered for seamless integration within the Siemens ecosystem.

For optimal reliability and support, it is strongly recommended to use this line connection column exclusively with compatible SIEMENS SINAMICS S120 drives.

What is the maximum ambient temperature for operating the 6SL3700-0LE34-0AA3?

The standard operating ambient temperature range is 0 °C to 45 °C. Exceeding this may require derating of the connected drives.

Maintaining temperatures within this range ensures optimal performance and longevity of the electronic components. Proper ventilation is key to staying within limits.

For applications in environments exceeding 45 °C, consult Siemens documentation for specific derating factors or cooling solutions.

How do I connect power to the SIEMENS 6SL3700-0LE34-0AA3?

Connect the 380-480V AC supply to the designated power input terminals on the column. Ensure correct phase rotation and grounding.

Use appropriately sized conductors as specified by Siemens for the 380A current rating to prevent overheating and voltage drops. Consult the manual for exact wiring diagrams.

Adhere to all local electrical codes and safety regulations during installation. Proper installation is crucial for safe and reliable operation.

What communication protocols are supported by the SINAMICS S120 system this unit connects to?

The SINAMICS S120 system supports major industrial communication protocols like PROFINET and PROFIBUS. It can also integrate with EtherNet/IP.

These protocols enable seamless data exchange between the drive, controller (PLC), and HMI. This facilitates advanced diagnostics and control functionalities.

Configuration of the chosen protocol is done through the SINAMICS drive's firmware and engineering software, such as TIA Portal.

What are the dimensions of the SIEMENS 6SL3700-0LE34-0AA3?

The approximate dimensions are 1700 mm in height, 600 mm in width, and 600 mm in depth. These are typical for cabinet-mounted modules.

These dimensions ensure it fits within standard industrial control cabinets. Proper spacing for ventilation is still essential, even with its compact design.

Always verify exact dimensions against the official product datasheet if precise cabinet fitting is critical for your installation.

What is the IP rating of this line connection column?

The SIEMENS 6SL3700-0LE34-0AA3 has an IP20 protection rating. This means it is protected against solid objects larger than 12.5mm.

It is designed for use within control cabinets where protection from dust and accidental contact is provided by the cabinet enclosure. It is not suitable for exposed outdoor environments.

Ensure the cabinet housing the module is properly sealed to maintain the intended level of protection for the equipment inside.

What is the rated current capacity of this product?

This specific model, 6SL3700-0LE34-0AA3, has a rated current capacity of 380 Amperes. This indicates its ability to handle significant power loads.

This high current rating makes it suitable for powering large industrial motors and drive systems that demand substantial electrical input. It is engineered for demanding applications.

Always ensure the connected SINAMICS S120 drive and motor are within the capacity of this 380A line connection column for safe and efficient operation.

What kind of cooling does the 6SL3700-0LE34-0AA3 use?

The line connection column utilizes air cooling as its primary method for heat dissipation. This is common for cabinet modules.

This relies on adequate airflow within the control cabinet to maintain optimal operating temperatures. Ensure ventilation openings are not obstructed.

For applications with extreme thermal loads, additional external cooling solutions for the cabinet might be necessary, as guided by Siemens.

Is this product compatible with the TIA Portal?

Yes, the SINAMICS S120 system, including its cabinet modules like the 6SL3700-0LE34-0AA3, is fully integrated with Siemens' TIA Portal. TIA Portal is the unified engineering platform.

This compatibility allows for seamless project engineering, configuration, diagnostics, and commissioning of the drive system alongside other automation components. It streamlines the entire engineering process.

Utilizing TIA Portal maximizes the benefits of the SINAMICS S120 platform, including advanced features and integration capabilities for modern automation tasks.