Siemens 6SL3121-1TE21-8AA4 Industrial Automation Co.

Siemens 6SL3121-1TE21-8AA4

The Siemens 6SL3121-1TE21-8AA4 industrial automation power module is adaptable and reliable. It offers stable power management and high performance for modern production. This module optimizes efficiency and stability.

Technical Specifications:

The Siemens 6SL3121-1TE21-8AA4 is IP20 / UL open type, ensuring safe operation in controlled settings. It measures 226.00 mm high, 50.00 mm wide, and 380.00 mm deep. The unit weighs 5.7 kg net. The booksize structure makes this module small and space-efficient.

The sound pressure at 1 meter is 60.0 dB. Maximum power loss is 0.10 kW. It supports a 400 V 3 AC standard asynchronous motor with a strengthened 140 A DC link busbar set. A 24 V terminal adapter with a six mm² cross-section and 20 A protection is needed if connecting multiple Line Modules and Motor Modules in series exceeds the 20 A current carrying capacity.

The DC link voltage output current is 510–720 V DC with a maximum of 24.0 A. The rated current IN is 15.3 A, and the base load current IH is 18.0 A. The DC 24 V electronics power supply has a -15%/+20% tolerance. The maximum current demand is 0.85 A. IS6 is 22.0 A, and Imax is 54.0 A for S6 duty (40%).

IH’s DC-link current ID is 100 A, while IN’s is 20 A. The rated pulse frequency is 4.00 kHz. The 220 µF DC connection capacitance ensures reliable and efficient energy transfer. The Siemens 6SL3121-1TE21-8AA4 meets IEC 61508, EN ISO 13849-1 PL d, and EN ISO 13849-1 Category 3 safety requirements. CE and cULus certifications are included.

This power module’s 0.022 Ohm internal resistance reduces power loss and heat. Its 150 A short-circuit current improves safety and protection. The 1,000 V insulation provides strong surge protection. The module’s 98% efficiency maximizes energy use.

PROFIBUS interfaces on the Siemens 6SL3121-1TE21-8AA4 control interface provide a smooth connection with industrial networks. It supports a digital input/output system for better control and monitoring. The module’s switching frequency can be varied between 2 and 16 kHz for application flexibility.

Additional Specifications:

The Siemens 6SL3121-1TE21-8AA4 also has a maximum permissible line length of 50 meters for the DC connection. The leakage current is less than 3.5 mA, ensuring safe operation within industrial environments. The power module is equipped with an automatic restart feature after a power failure, enhancing its reliability in critical applications. Additionally, it has a fault diagnosis system with LED indicators for easy troubleshooting and maintenance.

Ambient Conditions:

The installation altitude for the Siemens 6SL3121-1TE21-8AA4 is up to 1000 meters without derating. It requires external air cooling during operation to maintain optimal performance. The ambient temperature range is 0 to 40 °C. The cooling air requirement is 0.008 m³/s, ensuring efficient heat dissipation.

The module supports a maximum motor cable length of 70 meters for shielded cables and 100 meters for unshielded cables. The PE connection is facilitated through an M5 screw, and the motor end version connector (X1) is integrated with a connection plug. Additionally, a shield connecting kit is provided for enhanced connectivity and stability.

Frequently Asked Questions:

What are the Siemens 6SL3121-1TE21-8AA4’s dimensions?

Siemens 6SL3121-1TE21-8AA4 dimensions are 226.00 mm high, 50.00 mm wide, and 380.00 mm deep. This tiny size fits easily into numerous configurations.

What is the Siemens 6SL3121-1TE21-8AA4’s sound pressure level?

Siemens 6SL3121-1TE21-8AA4 has a 1-meter sound pressure of 60.0 dB. This ensures silent industrial operation.

What is the rated output current of the Siemens 6SL3121-1TE21-8AA4?

The Siemens 6SL3121-1TE21-8AA4 drive rated output current is 24.0 A (510-720 V DC). This high-output current enables demanding industrial applications.

Product Specifications Table: