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Siemens 6SL3121-1TE21-8AA3 — AC Drive (VFD) 600V

Siemens 6SL3121-1TE21-8AA3 SINAMICS S120 Single Motor Module

MPN6SL3121-1TE21-8AA3

Siemens SINAMICS S120 Single Motor Module, 6SL3121-1TE21-8AA3, 600 V DC input, 400 V 3AC output, 18 A, booksize construction, external air cooling, optimized pulse patterns, extended Safety Integrated functions, DRIVE-CLiQ cable included.

$831.85Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

6SL3121-1TE21-8AA3 — Specifications
ParameterValue
Weight2.59 kgs

Product details

Drive module for multi-axis servo and vector applications

The Siemens 6SL3121-1TE21-8AA3 is a SINAMICS S120 Single Motor Module in booksize format, accepting 600 V DC from a common DC bus and delivering 400 V 3AC at 18 A to a single motor. It includes a DRIVE-CLiQ cable and supports extended Safety Integrated functions plus optimized pulse patterns for reduced motor losses and quieter operation.

Frequently asked questions

Where can I buy 6SL3121-1TE21-8AA3 and how do I get a price?

This part is sourced to order through independent distribution. Submit an RFQ for current pricing and availability — confirmed at quote time.

What are the key specifications of 6SL3121-1TE21-8AA3?

The module accepts 600 V DC input and outputs 400 V 3AC at 18 A. It is a booksize Single Motor Module with external air cooling, optimized pulse patterns, and extended Safety Integrated functions. A DRIVE-CLiQ cable is included.

What compliance documentation does Siemens provide for 6SL3121-1TE21-8AA3?

Siemens provides standard documentation including the device manual, safety integrated functional safety manual, and EC Declaration of Conformity. Specific RoHS, REACH, and UL status should be confirmed from the latest manufacturer documentation at order time.

MPN
6SL3121-1TE21-8AA3