Siemens 6SL3120-1TE21-8AA4
Brand: Siemens
Model: 6SL3120-1TE21-8AA4
Inventory situation: Goods are available in stock.
Product features
The Siemens 6SL3120-1TE21-8AA4 is a SINAMICS S120 Single Motor Module built for precise and stable motor control in industrial automation systems. It takes a 600V DC input from the drive's DC link and delivers a 3-phase 400V AC output rated at 18A. This makes the 6SL3120-1TE21-8AA4 a strong fit for medium-power servo and motion control tasks where accurate speed and torque are needed.
This Siemens single motor module works with a rated DC link voltage range of 510V to 720V, so it holds steady output even when the supply voltage shifts. It also uses a 24V DC control power supply with a wide tolerance of -15% to +20%, which helps the drive keep running under changing electrical conditions. The 18A rated output current gives you enough power for many common factory drive applications.
The 6SL3120-1TE21-8AA4 uses a compact Booksize design with internal air cooling. The Booksize format saves space and lets you mount several modules side by side in one SINAMICS S120 drive system. Weighing about 5.1 kg (11.35 lbs) and made in Germany, this unit is built for long service life in demanding plants.
At SZCT Automation we supply the Siemens 6SL3120-1TE21-8AA4 along with a wide range of SINAMICS S120 drive parts. Our team offers technical support, fast shipping, and help with selecting compatible modules. Contact SZCT Automation today for pricing and stock on the 6SL3120-1TE21-8AA4 SINAMICS S120 single motor module.
Specifications
|
Part Number |
Siemens 6SL3120-1TE21-8AA4 |
|---|---|
|
Product Type |
SINAMICS S120 Single Motor Module |
|
Input Voltage (DC Link) |
600V DC (rated link voltage range 510–720V) |
|
Output Voltage |
3-phase 400V AC |
|
Rated Output Current |
18A |
|
Control Power Supply |
24V DC (tolerance -15% to +20%) |
|
Frame Size / Design |
Booksize |
|
Cooling Method |
Internal air cooling |
Why Partner with SZCT Automation
why choose us
Your one-stop source for genuine Siemens SINAMICS parts - fast quotes, real stock, and support that lasts.
100% Genuine Parts, Quality-Checked Before Shipping
Every product, including the Siemens 6SL3120-1TE21-8AA4, comes from authorized channels in original factory packaging. Before we ship, we check the model and quantity, inspect the unit, and can send you photos or a video to confirm. You buy with confidence, knowing you get the exact part you ordered.
Fast Quotes and Quick Shipping
Send us a simple list by Email or WhatsApp - brand, model, and quantity - and our sales team replies with a competitive quote within 24 hours on business days. In-stock orders ship within 3–7 business days after payment, and you get a tracking number right away.
No Minimum Order - 1 Piece or 500
Whether you need one 6SL3120-1TE21-8AA4 for an urgent repair or 500 units for a full project, you get the same process and the same service. We also combine multiple brands into one shipment, one invoice, and one tracking number, so you save time on every order.
1-Year Warranty and 30-Day Refund Protection
We back our parts with a 1-year warranty against quality problems that are not caused by misuse. If a product has a quality issue within 30 days of delivery, you can ask for a refund or replacement. Just send photos or a video, and our team acts fast to fix, replace, or refund.
Precautions
Before you install or use the Siemens 6SL3120-1TE21-8AA4 SINAMICS S120 single motor module, please read the notes below to keep your drive system safe and working well.
Check the input and output ratings first. The 6SL3120-1TE21-8AA4 needs a 600V DC link input and gives a 3-phase 400V AC output at 18A. Do not connect it to a supply outside the rated DC link range of 510V to 720V. A voltage outside this range can damage the module or trip the drive.
Make sure the 24V DC control power supply is stable. This Siemens single motor module uses 24V DC with a tolerance of -15% to +20%. A weak or noisy control supply can cause the drive to fault or stop, so use a clean, well-sized power source.
Mind the cooling and mounting. The 6SL3120-1TE21-8AA4 uses a Booksize frame with internal air cooling. Leave enough space around the unit for airflow, and keep the vents clear of dust and dirt. Poor airflow can lead to overheating and a shorter service life.
Handle with care to avoid static damage. Like all SINAMICS S120 drive modules, this unit holds sensitive electronics. Turn off and lock out power before wiring, and follow proper anti-static steps when you touch the DRIVE-CLiQ connector or terminals.
Confirm system compatibility. The Siemens 6SL3120-1TE21-8AA4 is built for SINAMICS S120 systems and supports the Extended Safety Integrated functions. Check that your DC link supply, motor, and control unit match before you power up the module.
For installation, wiring, and safety details, always follow the official Siemens SINAMICS S120 manual. If you have questions about the 6SL3120-1TE21-8AA4 single motor module or need help choosing the right part, contact SZCT Automation for support.
FAQ
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