6SL3121-1TE21-8AA4

Siemens 6SL3121-1TE21-8AA4 available at EU Automation. Get in touch today for a quick price.

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The Siemens 6SL3121-1TE21-8AA4 is a high-performance single motor module designed to meet the demanding requirements of modern industrial automation systems. This module is part of Siemens' innovative solutions, offering precise and efficient control for a wide range of motor types.

Crafted for seamless integration into complex drives systems, the 6SL3121-1TE21-8AA4 operates with a DC link voltage of 600 V and supports a base load current of 18 A, making it suitable for various applications. Its compact booksize construction allows for space-saving installation, and with a width of 50 mm, it is optimised for use in tight spaces.

The unit boasts an impressive rated output, capable of handling up to 9.7 kW for typical standard asynchronous motors at 400 V 3 AC, ensuring robust performance for your machinery. The module is equipped with an electronics power supply that requires a 24 V DC input, with a current demand of 0.85 A, ensuring reliable operation.

With an IP20 degree of protection, the 6SL3121-1TE21-8AA4 is designed for use in controlled environments where it is safeguarded from foreign objects. The module's cooling requirements are efficiently managed by external air cooling, maintaining optimal operating temperatures between 0 to 40 °C.

The motor module also features a maximum motor cable length of 100 m when unshielded, and 70 m when shielded, providing flexibility in motor placement. Additionally, it is compliant with key industry standards, including SIL 2 according to IEC 61508 and PL d according to EN ISO 13849-1, ensuring adherence to rigorous safety and reliability criteria.

Overall, the Siemens 6SL3121-1TE21-8AA4 motor module is a versatile and reliable component that offers advanced control for a variety of industrial motor applications, making it an essential part of any modern automation system.
Specification Description
Part Number 6SL3121-1TE21-8AA4
Alternative Part Number 6SL31211TE218AA4
Manufacturer Siemens
Category Motors and Encoders
Rated Data Output Current 18.0 A
DC Link Voltage DC 510 ... 720 V
Base Load Current IH 15.3 A
Rated Value IN 22.0 A
Electronics Power Supply DC 24 V -15% / +20%
Current Demand, Max. 0.85 A
For S6 Duty (40%) IS6 24.0 A
Imax 54.0 A
DC-Link Current Id 100 A
Rated Pulse Frequency 4.00 kHz
Type Rating 9.7 kW Based on IN
DC Link Capacitance 220 µF
Ambient Conditions Installation altitude up to 1000 m without derating, External air cooling, 0 ... 40 °C
Cooling Air Requirement 0.008 m³/s
Max. Motor Cable Length Shielded: 70 m, Unshielded: 100 m
PE Connection M5 screw
Compliance with Standards SIL 2 acc. to IEC 61508, PL d acc. to EN ISO 13849-1, Category 3 acc. to EN ISO 13849-1, CE, cULus
Mechanical Data Height: 226.00 mm, Width: 50.00 mm, Depth: 380.00 mm, Net weight: 5.7 kg
Degree of Protection IP20 / UL open type
Sound Pressure Level (1m) 60.0 dB
Construction Type Booksize

What type of module is this?

This is a Single Motor Module designed for controlling electric motors.

What voltage and current specifications does this module support?

The module supports a DC link voltage of 600 V dc and has a base load current of 18 A.

What is the power loss for this module?

The maximum power loss for the module is 0.10 kW, which includes losses from the 24 V DC electronics power supply.

What are the ambient operating conditions for this module?

The module can operate in ambient temperatures from 0 to 40 °C and at an installation altitude of up to 1000 m without derating.

What type of cooling is required for this module?

The module requires external air cooling with a cooling air requirement of 0.008 m³/s.

What is the maximum motor cable length that can be used with this module?

The maximum motor cable length is 70 m for shielded cables and 100 m for unshielded cables.

What safety standards does this module comply with?

The module complies with SIL 2 according to IEC 61508, PL d according to EN ISO 13849-1, and Category 3 according to EN ISO 13849-1.

What is the degree of protection for this module?

The module has a degree of protection of IP20 / UL open type.

What are the dimensions and weight of this module?

The module has dimensions of 50 mm in height, 226 mm in width, and 380 mm in depth, with a net weight of 5.7 kg.

Can this module be used for different duty cycles?

Yes, the module is suitable for S6 duty (40%) with specific current ratings for this mode of operation.

  • Control of single motors in a variety of industrial applications
  • Integration into motion control systems for manufacturing and processing lines
  • Use in conveyor systems for material handling and packaging processes
  • Implementation in machine tools for precise motor control
  • Application in robotics for accurate positioning and movement
  • Utilisation in textile machinery for consistent fabric processing
  • Deployment in printing presses for stable and controlled paper movement
  • Inclusion in CNC machines for detailed and complex machining tasks
  • Operation in extrusion machines within the plastics industry
  • Management of pumps and fans in HVAC systems for industrial buildings

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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