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The Siemens 6SL3120-2TE21-8AC0 is a Double Motor Module from the SINAMICS S120 drive system, designed in the compact Booksize C-type format. It independently controls two motors from a shared DC link, making it ideal for multi-axis machine applications where space and cost efficiency are critical.
Rated for 2 × 18 A output current with a 2 × 9.7 kW type rating, this module supports Extended Safety Integrated functions (SIL 2 / PL d) and includes a DRIVE-CLiQ cable for communication with the Control Unit. The C-type designation indicates double (2×) overload capability, distinguishing it from the D-type variant which offers triple overload.
رقم الصنف :
6SL3120-2TE21-8AC0الطلب (الحد الأدنى للكمية) :
1قسط :
EXWمنشأ المنتج :
Germanyميناء الشحن :
Wuhan, Hubei, Chinaمهلة :
3-5 daysوزن :
8.1kgOverview
6SL3120-2TE21-8AC0 SIMATIC Control Module
New in stock
Origin from Germany
Payment Method: TT.Western Union
Shipping Method: DHL\UPS\Fedex\EMS\Others
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| Part Number | Description | Key Difference |
|---|---|---|
| 6SL3120-2TE21-8AC0 | Double Motor Module, 2×18 A, C-type (this item) | Double overload capability |
| 6SL3120-2TE21-8AD0 | Double Motor Module, 2×18 A, D-type | Triple overload capability |
| 6SL3120-1TE21-8AA4 | Single Motor Module, 18 A | Single-axis variant |
| 6SL3120-2TE21-0AA4 | Double Motor Module, 2×9 A | Lower current variant |
| 6SL3040-1MA01-0AA0 | CU320-2 PN Control Unit | Required for operation |
| 6SL3130-7TE23-6AA3 | Active Line Module, 36 kW | DC link power supply |
Line Module Sizing Note: When operating this module at peak current, Siemens documentation notes that a 16 kW Line Module may be insufficient (power consumption can exceed 35 kW depending on operating state). A higher-power Line Module may be necessary .
1 × Siemens 6SL3120-2TE21-8AC0 Double Motor Module
1 × DRIVE-CLiQ Cable
Note: Control Unit, Line Module, motor cables, and DC link busbars are sold separately. A spare part kit (6SL3120-2TE21-8SP0) is also available, which includes the module plus two DC link busbar connectors .
In Stock – Ready to ship immediately
Genuine Siemens Product – Factory original component, PM300 Active status
Warranty Included – Purchase with confidence
Technical Support – SINAMICS S120 compatibility assistance available
Q1: What is the Siemens 6SL3120-2TE21-8AC0?
It is a Double Motor Module for the SINAMICS S120 drive system in Booksize C-type format. It controls two independent motors (2 × 18 A) from a common DC link, with Extended Safety Integrated functions and internal air cooling .
Q2: What is the difference between C-type and D-type?
The C-type (this item) supports double (2×) overload capability. The D-type (6SL3120-2TE21-8AD0) supports triple (3×) overload capability for more demanding applications .
Q3: What is the rated current of this module?
The rated output current (IN) is 2 × 18 A, with a base load current (IH) of 2 × 15.3 A and peak current (S6, 40%) of 2 × 36 A .
Q4: What is the type power rating?
2 × 9.7 kW based on IN at DC 600 V and 4 kHz pulse frequency .
Q5: Does this module support safety functions?
Yes. It supports Extended Safety Integrated functions up to SIL 2 (IEC 61508) and PL d / Category 3 (EN ISO 13849-1) .
Q6: What cooling method does it use?
Internal air cooling with an integrated fan .
Q7: What are the dimensions and weight?
Dimensions are 100 × 380 × 270 mm (W × H × D). Net weight is approximately 7.7 kg .
Q8: Is this a genuine Siemens product?
Yes. The product lifecycle status is PM300: Active Product, and the country of origin is Germany .
Q9: What is the difference between this and the 6SL3120-2TE21-0AA4?
The 0AA4 variant has a lower current rating (2 × 9 A). This 8AC0 variant has 2 × 18 A output current .
Q10: What should I verify before ordering?
Always verify the exact part number (6SL3120-2TE21-8AC0 for C-type with double overload), confirm your motor current requirement (2 × 18 A), ensure your DC link voltage matches (510–720 V), check that your Line Module has sufficient power for peak current operation, and verify whether you need the D-type for triple overload applications .
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