6SE6440-2UD21-5AA1
MICROMASTER 440 frequency converter without filter, 380–480 V 3 AC, 47–63 Hz, constant torque 1.5 kW (overload 150% 60 s / 200% 3 s), square-law torque 1.5 kW, IP20, without AOP/BOP — genuine article supplied by SENTRADO through authorized channels, with 24-hour response on stock and lead time for customers worldwide.
Genuine 6SE6440-2UD21-5AA1 from SENTRADO
The MICROMASTER 440 frequency converter — a 380–480 V 3 AC drive rated 1.5 kW for constant-torque and fan/pump (square-law) applications, without line filter and without operator panel, for installed drive systems. We supply this article as a genuine Siemens product sourced through authorized channels, exported with FOB, CIF or DDP terms and full export documentation. We reply within 24 hours with a human response on stock and lead time — contact us for live stock & lead time.
SENTRADO (Beijing Xinshentuo Technology Co., Ltd.) is the export and international-project arm of a Siemens Certified System Integrator (Professional), certificate no. FY26CSI91110105801731460A, with 25+ years of control-cabinet and system-integration experience.
Supply assurance
Genuine, authorized-channel supply
Every unit is a genuine 6SE6440-2UD21-5AA1 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), certificate no. FY26CSI91110105801731460A, 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 6SE6440-2UD21-5AA1.
| Product | MICROMASTER 440 frequency converter, without filter |
|---|---|
| Power rating | 1.5 kW constant torque; 1.5 kW square-law torque |
| Overload capability | 150% for 60 s; 200% for 3 s |
| Supply voltage | 380–480 V 3 AC, ±10%, 47–63 Hz |
| Degree of protection | IP20 |
| Operator panel | Without AOP/BOP |
| Line filter | Without filter |
| Ambient temperature | −10 to +50 °C |
| Dimensions (H × W × D) | 173 × 73 × 149 mm |
Only parameters and family facts confirmed on official Siemens sources are listed. Contact our engineers for configuration checks, accessories and compatibility with your installed system.
Compatibility & supply
Three ways our team supports your 6SE6440-2UD21-5AA1 requirement: genuine component supply, engineering/configuration checks and complete-BOM handling.
Genuine article for installed systems
We supply the genuine 6SE6440-2UD21-5AA1 (MICROMASTER 440 frequency converter without filter, 380–480 V 3 AC, 47–63 Hz, constant torque 1.5 kW (overload 150% 60 s / 200% 3 s), square-law torque 1.5 kW, IP20, without AOP/BOP) sourced through authorized channels. Share your controller, drive or panel article numbers and our engineers verify compatibility with your installed system before shipment.
Engineering & compatibility checks
Direct swap-in for installed MICROMASTER 440 drives of the 1.5 kW / 380–480 V 3 AC frame size. It is rated constant torque 1.5 kW with 150% overload for 60 s and 200% for 3 s, operates from 380–480 V 3 AC at 47–63 Hz, offers degree of protection IP20 and is delivered without AOP/BOP operator panel and without filter. Send us your motor nameplate data and installed drive article number and we verify the converter, options and accessories. Our engineers support configuration checks and program handling before shipment.
Accessories & complete BOM
We can quote the complete bill of materials — controllers, panels, modules, power supplies and accessories — in one shipment with export-grade packaging and full documents.
Typical applications
A 1.5 kW 380–480 V 3 AC MICROMASTER 440 converter for installed constant-torque and fan/pump applications.
- Conveyor and material-handling drives
- Fan and pump variable-speed control
- Machine tool and processing machinery
- Constant-torque general automation drives
- Replacement of installed MICROMASTER 440 units
- Panel-built drive systems without operator panel
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 6SE6440-2UD21-5AA1 a genuine Siemens part?
How fast do you respond, and what about lead time?
How do I confirm compatibility with my installed drive system?
What is this MICROMASTER 440 drive typically used for?
What about warranty, MOQ and international shipping?
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Need 6SE6440-2UD21-5AA1 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.