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Siemens SINAMICS 6SL3120-2TE21-8AA0

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6SL3120-2TE21-8AA0

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The 6SL3120-2TE21-8AA0 from Siemens is a robust double-motor module used in SINAMICS systems, designed for compact installations. It operates efficiently at an ambient temperature of 40°C, with a maximum derating limit of 55°C in certain conditions, and features an internal fan cooling system for optimal thermal management.

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Technical specifications for 6SL3120-2TE21-8AA0

ManufacturerSiemens
Product LineSINAMICS
Part Number6SL3120-2TE21-8AA0
UPC662643067262
Weight15.00 lbs (6.80 kg)
Module TypeDouble module, booksize
Operating Temperature40°C (derates to 55°C)
CoolingInternal fan
Airflow Requirement56 m³/h
Rated Current2 × 18 A RMS
Base-load Current2 × 15.3 A
Short-term Current (40%)2 × 24 A
Max Output Current2 × 36 A
Max Power Loss351.2 W
Electronics Current Usage1.3 A at 24 V
Electronics Supply Voltage24 V (20.4–28.8 V range)
Output Voltage0 to 0.717 × DC-link voltage
Max DC-link Current43 A
DC-link Voltage510–720 V
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The Siemens 6SL3120-2TE21-8AA0 is part of the SINAMICS series and serves as a double-motor module in a booksize format, ideal for applications where space is limited. This module operates effectively at a maximum ambient temperature of 40°C and can handle temperatures up to 55°C with reduced performance. It relies on an internal fan for its cooling mechanism, necessitating an airflow of 56 m³/h to maintain optimal operating conditions.

Rated for a current handling capacity of 2 × 18 A RMS, it ensures reliable performance and can accommodate a base-load current of 2 × 15.3 A. In short bursts, the module provides a short-term current of up to 2 × 24 A. It proves efficient for demanding applications with a maximum output current rating of 2 × 36 A.

Weighing 6.8 kg, the module has a maximum power loss of 351.2 Watts, which emphasizes its efficient design. The module's electronics consume 1.3 A at a voltage supply of 24 V, with acceptable ranges between 20.4 and 28.8 V. This unit's output voltage capability can vary from 0 to approximately 71.7% of the DC-link voltage.

The module manages a maximum DC-link current rating of 43 A, and it operates within a DC-link voltage range from 510 to 720 V, making it adaptable for various voltage systems. The 6SL3120-2TE21-8AA0 module is designed to deliver high performance while ensuring reliable operation in demanding industrial environments.