Genuine Supply — Authorized Channels Siemens · SINAMICS G120C Compact Drives

6SL3210-1KE21-3UF1

SINAMICS G120C 5.5 kW compact converter with PROFINET, unfiltered, frame size FSB — genuine article supplied by SENTRADO through authorized channels, with 24-hour response on stock and lead time for customers worldwide.

Genuine 6SL3210-1KE21-3UF1 from SENTRADO

We supply this article as a genuine Siemens product sourced through authorized channels, exported with FOB, CIF or DDP terms and full export documentation. SENTRADO (Beijing Xinshentuo Technology Co., Ltd.) is the export and international-project arm of a Siemens Certified System Integrator (Professional) with 25+ years of control-cabinet and system-integration experience. We reply within 24 hours with a human response on stock and lead time — contact us for live stock & lead time.

The 5.5 kW PROFINET rating of the SINAMICS G120C — the compact high-efficiency drive with integrated safety and vector control for demanding single-axis machine tasks.

Supply assurance

Genuine, authorized-channel supply

Every unit is a genuine 6SL3210-1KE21-3UF1 article sourced through authorized channels, with full export documentation.

Certified integrator background

SENTRADO operates as the export and international-project arm of a Siemens Certified System Integrator (Professional) with 25+ years of control-cabinet experience.

24-hour human response

We reply within 24 hours to confirm stock and lead time — contact us for live stock & lead time before ordering.

Sources: official manufacturer product pages and technical documentation.

Technical specifications

Parameters below are taken from the official Siemens SIOS technical data sheet / Industry Mall entry for 6SL3210-1KE21-3UF1.

Official Siemens product data
ProductSINAMICS G120C compact converter, unfiltered
Rated powerLow overload (LO): 5.5 kW (7.5 hp); high overload (HO): 4.0 kW (5.0 hp)
Supply voltage3 AC 380-480 V (+10/-20 %), 47-63 Hz
Rated input currentLO 16.5 A; HO 12.8 A
Rated output currentLO 12.5 A; HO 8.8 A; base-load current IN 13.0 A; max. 17.6 A
Overload capacityLO: 150 % for 3 s plus 110 % for 57 s (cycle 300 s); HO: 200 % for 3 s plus 150 % for 57 s
Frame sizeFSB
CommunicationPROFINET, EtherNet/IP (1 PN interface); external 24 V supply
Control methodsSensorless vector control 0-240 Hz; V/f control 0-550 Hz; pulse frequency 4 kHz
SafetySafe Torque Off (STO) integrated
Onboard I/O6 DI + 1 fail-safe DI; 1 relay + 1 transistor DO (DC 30 V / 0.5 A); 1 differential AI (10 bit); 1 AO; PTC/KTY motor temperature input
Efficiency / lossesEfficiency 0.97; power loss 169 W; sound pressure level 63 dB
Degree of protectionIP20 (UL open type)
ApprovalsCE, UL/cUL, C-Tick (RCM); efficiency class IE2
Dimensions (W x H x D)100 x 196 x 203 mm
Net weight2.30 kg

Only parameters confirmed on official Siemens sources are listed. Contact our engineers for configuration checks, accessories and compatibility with your existing system.

Compatibility & supply

Three ways our team supports your 6SL3210-1KE21-3UF1 requirement: genuine article supply, engineering/configuration checks and complete-BOM handling.

Genuine article for installed systems

We supply the genuine 6SL3210-1KE21-3UF1 (SINAMICS G120C 5.5 kW compact converter with PROFINET, unfiltered, frame size FSB) sourced through authorized channels. Share your article number and our engineers verify compatibility with your installed system before shipment.

Product catalog →

Migration & retrofit experience

The G120C connects directly to PROFINET (and EtherNet/IP) with the PROFIdrive profile, integrates Safe Torque Off, and is commissioned with Startdrive in TIA Portal or the IOP-2 operator panel; motor and encoder feedback are wired to its onboard terminals. Our engineering team has migrated hundreds of installed MICROMASTER 440 cabinets to the current SINAMICS platform.

Drive replacement guide →

Accessories & spares handled

We can quote the complete bill of materials — operator panels, communication modules, line/motor chokes and replacement components — in one shipment with export-grade packaging.

Spare parts program →

Typical applications

The 5.5 kW PROFINET rating of the SINAMICS G120C — the compact high-efficiency drive with integrated safety and vector control for demanding single-axis machine tasks.

  • Conveyors, rollers and material-handling drives
  • Pumps, fans and compressors with energy-saving vector control
  • Packaging, food and beverage machinery
  • PROFINET-integrated OEM machine drives with STO safety
  • Retrofit of MICROMASTER 440 and older compact drives

Supply & delivery

Genuine & sourced right

Genuine Siemens products sourced through authorized channels, with export documentation. No grey-market ambiguity.

24-hour response

Every inquiry gets a human reply within 24 hours confirming stock and lead time. Formal quotations follow manufacturer inquiry.

Stock & lead time

Availability changes daily. Contact us for live stock & lead time — express air freight for line-down emergencies.

Global export

Worldwide shipping on FOB, CIF or DDP terms with export-grade packaging and full documents — Middle East, Southeast Asia, Africa and South America.

Frequently asked questions

Is the 6SL3210-1KE21-3UF1 a genuine Siemens part?
Yes. We supply genuine Siemens components — SINAMICS G120C 5.5 kW compact converter with PROFINET, unfiltered, frame size FSB (6SL3210-1KE21-3UF1) — sourced through authorized channels, with full export documentation. SENTRADO operates as the export and international-project arm of a Siemens Certified System Integrator (Professional).
How fast do you respond, and what about lead time?
We reply to every inquiry within 24 hours with a human response confirming stock and lead time. For line-down emergencies we can arrange express air freight. Formal quotations follow manufacturer inquiry and are offered on FOB, CIF or DDP terms — contact us for live stock & lead time.
Which controllers and fieldbuses does this drive support?
This PN version has a PROFINET interface (also EtherNet/IP) and operates with SIMATIC S7-1200/S7-1500 and other PROFINET controllers using PROFIdrive; commissioning is done with Startdrive in TIA Portal or the IOP-2 panel. Tell us your motor nameplate, controller and fieldbus and we verify the complete drive package.
What is this drive typically used for?
The 5.5 kW PROFINET rating of the SINAMICS G120C — the compact high-efficiency drive with integrated safety and vector control for demanding single-axis machine tasks. Typical applications include: conveyors, rollers and material-handling drives, pumps, fans and compressors with energy-saving vector control, packaging, food and beverage machinery.
What about warranty, MOQ and international shipping?
Genuine units carry the manufacturer warranty. There is no fixed MOQ — a single unit is fine. We export worldwide with export-grade packaging (foam, moisture protection, wooden crates where required) and full shipping documents under FOB, CIF or DDP terms. Contact us for live stock & lead time.

Aplicações no mercado brasileiro e lusófono

A SENTRADO oferece soluções de automação industrial para o Brasil, Portugal e mercados lusófonos africanos, com suporte técnico em português e documentação completa.

Inversores SINAMICS são extensivamente utilizados em sistemas de bombeamento de mineração, correias transportadoras em portos, e sistemas de climatização industrial. Suportam redes 60 Hz e tensão 380-440V conforme normas ABNT.

Need 6SL3210-1KE21-3UF1 fast?

Send us the article number and quantity — we reply within 24 hours with stock and lead-time confirmation. Contact us for live stock & lead time.