Receive a Text Quote
We will send you price and availability shortly
Invalid number. Please call (800) 691-8511
6SE6440-2UD21-1AA1

2-year Warranty

Same Day Shipping

Siemens 6SE6440-2UD21-1AA1

MICROMASTER DRIVE MM440 1.1 KW / 3.1 AMP A FRAME 3 PHASE 380/480V

5/5
1 rating

Select Condition

Refurbished

2 in stock

New

1 in stock

$1,127.00

Request a formal quote

  • Ships Today
  • 2 Year Warranty
  • Free Shipping
Part Number6SE6440-2UD21-1AA1
ManufacturerSiemens
TypeAC Drives
Model #6SE64402UD211AA1
Warranty2 Year
RangeMICROMASTER
MICROMASTERMM440
Input Phase3-Phase AC
Cooling Fan
Operation ambient temp-10 ... 50 °C
Line voltage input380 ... 480 V ±10 %
Input line frequency47 ... 63 Hz
Rated input current4.90 A
Power factor λ0.95
Efficiency η0.96
Phase out3-Phase AC
Output frequency for V/f control0 ... 650 Hz
Rated out voltage480 V
Rated hp out1.10 kW / 1.50 hp
Rated out current3.10 A
Output pulse frequency 4000 Hz
ProtectionIP20/ UL open
Digital inputs6
Relay out3
Analog in/out2 in/2 out

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed 6SE6440-2UD21-1AA1 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 6SE6440-2UD21-1AA1 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 6SE6440-2UD21-1AA1, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

  • Shipping Weight : 3lbs

Want it shipped today?

  • Order within the next 8 hours and 31 minutes.
  • If you order between 4pm and 6pm EST, you will be charged a small rush fee.

Ask about exchanging your faulty 6SE6440-2UD21-1AA1 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Siemens 6SE6440-2UD21-1AA1 Overview

Siemens 6SE6440-2UD21-1AA1 MICROMASTER MM440 AC Drive

The Siemens 6SE6440-2UD21-1AA1 is an advanced AC drive from the MICROMASTER MM440 series, designed to deliver efficient and precise motor control for various industrial applications. Known for its reliability and flexibility, this model features advanced configuration options, allowing for tailored performance in complex motor-driven systems. Its user-friendly interface and high performance make it an excellent choice for users seeking an adaptable drive solution in both standard and demanding operating conditions.

Power and Electrical Specifications

Operating on a 3-phase AC input, this drive is compatible with an input line voltage ranging from 380 to 480 V ±10%, supporting an input frequency between 47 and 63 Hz. Its rated input current is 4.90 A, with an impressive power factor of 0.95, ensuring energy-efficient operation. The drive also boasts an efficiency rating of 96%, reflecting Siemens' commitment to energy conservation and cost-effective performance. This high-efficiency level reduces energy waste, contributing to sustainable operations and long-term savings. The unit provides a maximum output frequency of 650 Hz in V/f control mode, which enhances its suitability for various motor control applications requiring different speed and torque settings. The output voltage of 480 V and output current rating of 3.10 A provide sufficient power for 1.10 kW (1.50 hp) motors, allowing it to control motors in various medium-duty applications.

Cooling and Ambient Conditions

The 6SE6440-2UD21-1AA1 includes an integrated fan cooling system, effectively dissipating heat and allowing the drive to perform within a broad ambient temperature range of -10 to 50 °C. This cooling system helps the drive handle intensive operation cycles while avoiding overheating, thus extending its operational lifespan. With an IP20/UL open protection rating, this AC drive is suited for enclosed environments, but it may require additional protective housing when exposed to dust, moisture, or other external contaminants.

Digital and Analog Inputs/Outputs

This Siemens AC drive has six digital inputs, three relay outputs, and two analog inputs and outputs, each to facilitate integration with control systems. These versatile input and output configurations enable precise control and communication with connected systems, allowing users to achieve high customization in their setups. The drive's digital and analog I/O configuration will enable it to communicate seamlessly with other devices and control panels, making it suitable for complex automation environments that rely on feedback and precision.

Operational Control and Versatility

The Siemens MICROMASTER MM440 series offers adaptable control options, including vector control for applications requiring consistent torque and V/f (voltage/frequency) control for efficient speed regulation. Its output pulse frequency of 4000 Hz further enhances precision, offering smooth motor operation even under load fluctuations. This drive's flexibility and reliability make it suitable for industries such as manufacturing, material handling, HVAC, and more.

Warranty and Support

Backed by a 2-year MRO Electric and Supply warranty, this Siemens AC drive also includes free shipping, ensuring a smooth acquisition process. This warranty reflects the product's quality and gives users confidence in their investment, knowing they are covered for potential defects or performance issues.

FAQs for Siemens 6SE6440-2UD21-1AA1 MICROMASTER MM440 AC Drive

Q: What input power requirements does the drive have?

A: The 6SE6440-2UD21-1AA1 AC drive requires a 3-phase AC power input with a line voltage of 380 to 480 V ±10% and a frequency range of 47 to 63 Hz.

Q: Can this AC drive operate in high-temperature environments?

A: Yes, this drive can operate in ambient temperatures from -10 to 50 °C, thanks to its integrated fan cooling system, which helps manage temperature efficiently.

Q: What is the IP rating of this AC drive?

A: The 6SE6440-2UD21-1AA1 has an IP20/UL open protection rating. It is suitable for installation in enclosed environments but may require additional protection if exposed to dust or moisture.

Q: How many digital and analog I/O options are available?

A: This drive has six digital inputs, three relay outputs, two analog inputs, and two analog outputs, enabling extensive control and integration options with external systems.

Q: What control modes are available with this AC drive?

A: The MICROMASTER MM440 supports vector and V/f control modes, offering versatile control options for applications requiring precise speed and torque management.

Siemens products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry AC Drives from other manufacturers such as FANUC and Yaskawa.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 6SE6440-2UD21-1AA1, take a look at more from our AC Drives line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 6SE6440-2UD21-1AA1 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

5 stars

4.9 Overall Satisfaction Rating

Over 1700 Ratings from Actual Customers

Read Our Reviews

Very happy with the overall service, delivery, communication and delivery,

Conley Cooke

I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....

Jack

We have an older DMU80 CNC Machine and the Handheld Control was damaged beyond repair. MRO was very helpful in confirmin...

Abbey-Purchasing Specialist