Siemens 6SL3120-1TE28-5AA3

Brand: Siemens
Model: 6SL3120-1TE28-5AA3

Siemens 6SL3120 1TE28 5AA3

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Product features

The Siemens 6SL3120-1TE28-5AA3 is a dependable intelligent power module (IPM) from Siemens' well-known S120 drive system that was specifically designed for industrial automation applications. This Siemens 6SL3120-1TE28-5AA3 module is compatible with the majority of typical industrial power grids and runs on a three-phase AC input voltage range from 380V to 480V. It has a voltage fluctuation tolerance of -15% to +10%. When the ambient temperature is 40°C, it functions reliably at 50/60 Hz input frequency and provides a rated output current of 85 A per axis (dropping to 68 A at 60°C for safety). It can handle the demands of dynamic industrial tasks with a maximum output current of 170A per axis for up to 2 seconds under short-term heavy loads.

The Siemens 6SL3120-1TE28-5AA3 various control modes, which include vector control, V/F control, and servo control, allow it to work seamlessly with both synchronous and asynchronous motors, including high-speed motors, thanks to its output frequency range of 0 to 650 Hz. It also has crucial protective features to prevent damage to the module and related equipment, such as overcurrent, overload, overvoltage, undervoltage, overheating, and short-circuit protection.

The Siemens 6SL3120-1TE28-5AA3, designed for easy integration, interfaces with Siemens control units such as the CU320-2 PN/DP using a DRIVE-CLiQ interface, eliminating the need for additional wire. With an IP20 protection rating and a 35 mm DIN rail mounting design that meets IEC 60715 standards, it is suitable for cabinet installation in industrial environments. The module weighs around 5.8 kg and measures 482 x 140 x 320 mm, making it suitable for most control cabinets.

Specifications

Model	6SL3120-1TE28-5AA3
Series	Siemens S120
Module Type	Double Motor Module (supports 2 independent motor axes)
Certifications	CE, UL, CSA, C-Tick, etc.
Input Voltage	3-phase AC 380 - 480V
Input Frequency	50/60 Hz (±5%)
Mounting Method	Standard 35mm DIN rail mounting
Dimensions (L × W × H)	482 mm × 140 mm × 320 mm

Precautions

Based on the Siemens 6SL3120-1TE28-5AA3's design specifications and industrial application standards, follow these critical precautions and suggestions to ensure safe, dependable operation and a long service life. The Siemens 6SL3120-1TE28-5AA3 must be put within a closed control cabinet due to its IP20 protection certification. To avoid electric shock or damage, never install it in an open or dusty environment, and keep your fingers and metal tools away from its internal components. Because the module relies on forced air cooling from a compatible Siemens fan module (such as 6SL3262-1AG00-0AA0), ensure that the cabinet is properly ventilated. Never use the Siemens 6SL3120-1TE28-5AA3 without the necessary fan module because overheating can result in permanent failure.

In extreme cases, pay close attention to the Siemens 6SL3120-1TE28-5AA3 derating requirements. Reduce the module's load when the outside temperature increases above 40°C. At 60°C, its rated output current drops from 85A per axis to 68A, necessitating a 2.5% derating for each degree Celsius above 40°C. To accommodate for lower air density, reduce the rated current by 1% for each 100 meters that an installation exceeds 1000 meters. To avoid overloading the S120 drive module, consult Siemens' published derating curves if you increase the switching frequency above 4 kHz (the default is 2 kHz).

FAQ

Q: What is the Siemens 6SL3120-1TE28-5AA3, and what is its primary function?

A: The SINAMICS S120 drive family includes a single motor module, the Siemens 6SL3120-1TE28-5AA3. In order to accurately run a single motor, it functions as an inverter, converting DC power from a connected power supply (or rectifier) into controlled AC power. Its book-size design and internal air cooling make it ideal for integration into tiny control cabinets.

Q: How is the 6SL3120-1TE28-5AA3 integrated into a system?

A: A control unit, such as the CU320-2, serves as the central point of integration in an automated system. The module is connected to this control unit via DRIVE-CLiQ, a Siemens proprietary communication interface that allows for quick data transmission and system configuration. It is powered by the system's DC bus, which is supplied by a separate power supply module (such as a Basic Line Module or Smart Line Module). Its interior electronics also require a 24-volt DC electronic power supply.

Q: Where can I find the official manual and technical data?

A: The official Siemens Industry Mall or Siemens Support website is the most trustworthy resource for technical documentation. The official manual, data sheets, and firmware downloads can be found by searching for article number 6SL3120-1TE28-5AA3. Comprehensive configuration and installation instructions are also included in the SINAMICS S120 Low-Voltage Engineering Manual.