Siemens 6SE6440-2UD21-1AA1 Refurbished MICROMASTER 440 AC Drive

The Siemens 6SE6440-2UD21-1AA1, also identified as 6SE64402UD211AA1, is a Siemens MICROMASTER 440 AC Drive designed for variable-speed control of three-phase AC motors in industrial automation and motor control applications. This frequency inverter is designed for a 3-phase 380�480 VAC input supply with a voltage tolerance of �10% and an input frequency range of 47�63 Hz.

The 6SE6440-2UD21-1AA1 provides a 1.10 kW / 1.50 HP high-overload rating with a rated output current of 3.10 A. The unit has a rated input current of 4.90 A and an apparent output power rating of 0.9 kVA. It is designed for controlled acceleration, deceleration, and variable-speed operation of compatible three-phase motors in industrial machinery and automation systems.

Siemens specifies the 6SE6440-2UD21-1AA1 as a MICROMASTER 440 without filter. The drive has an IP20 / UL open-type protection rating and uses fan cooling. It features a compact Frame Size A configuration, making it suitable for installation in appropriate industrial control cabinets and equipment. The drive supports an output frequency of up to 650 Hz for V/f control, with a production limitation of 550 Hz due to applicable legal requirements.

The MICROMASTER 440 family is designed to provide flexible motor control for a broad range of industrial applications. The 6SE6440-2UD21-1AA1 is well suited for applications requiring dependable three-phase AC motor speed regulation, controlled motor starting and stopping, and efficient operation of industrial machinery.

York Scientific offers the Siemens 6SE6440-2UD21-1AA1 MICROMASTER 440 AC Drive as a refurbished industrial replacement. York Scientific stocks and services Siemens industrial automation equipment and replacement components, including current and discontinued products.

Choosing a professionally refurbished 6SE6440-2UD21-1AA1 can provide a cost-effective alternative to purchasing new equipment. A refurbished Siemens drive can help extend the service life of existing machinery, reduce replacement costs, and minimize equipment downtime when a compatible MICROMASTER 440 drive is required.

*Actual item may vary.

Siemens 6SE6440-2UD21-1AA1

Manufacturer: Siemens

Product Description: Ac Drive Micromaster 440 380-480 Vac 47-63 Hertz 3 Phase 3.1 Amp 1.1 Kw

Part Number: 6SE6440-2UD21-1AA1

Condition: Refurbished and Tested

Units in Stock: 6

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Repair Price: $1054.71 Includes 2 Years Warranty!

Our repair process is as simple as it is fast: enter details below and we will email you an RMA number along with the shipping instructions. Once we receive your defective equipment, our service team will contact and assist you until your repair is completed.

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Description

RUSH Processing charge $195

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Upon repair completion our service team will contact you for payment. Should equipment be deemed non-repairable, you will not be charged - rush fee (if selected) is non-refundable.

Typical Applications

The Siemens 6SE6440-2UD21-1AA1 MICROMASTER 440 AC Drive is commonly used in a variety of industrial motor control and automation applications, including:

Industrial Automation Systems
Variable-Speed Motor Control
Manufacturing Machinery
Production Equipment
Conveyor Systems
Material Handling Equipment
Packaging Machinery
Industrial Processing Equipment
Pumps and Fans
Machine Tools
General-Purpose Motor Control
Industrial Drive Systems
Legacy Siemens MICROMASTER 440 Systems

Key Features

Manufacturer: Siemens
Part Number: 6SE6440-2UD21-1AA1
Alternate Part Number: 6SE64402UD211AA1
Product Family: MICROMASTER 440
Product Type: AC Drive / Frequency Inverter
Filter: Without Built-In Filter
Input: 3-Phase AC
Input Voltage: 380�480 VAC �10%
Nominal Supply Voltage: 400 VAC
Input Frequency: 47�63 Hz
High-Overload Rating: 1.10 kW / 1.50 HP
Rated Output Current: 3.10 A
Rated Input Current: 4.90 A
Output Power: 0.9 kVA
Output Voltage: Up to 480 VAC
Output Frequency for V/f Control: 0�650 Hz
Pulse Frequency: 4,000 Hz
High-Overload Capability: 150% for 60 Seconds
Protection Rating: IP20 / UL Open Type
Frame Size: A
Fan-Cooled Design
Professionally Inspected and Cleaned
Electrically Tested Before Shipment
Professionally Refurbished and Functionally Verified

Quality Assurance

Every refurbished Siemens 6SE6440-2UD21-1AA1 MICROMASTER 440 AC Drive undergoes a detailed quality assurance process before shipment. Each unit is carefully inspected, professionally cleaned, electrically tested, and functionally evaluated to help ensure dependable performance in demanding industrial environments.

York Scientific follows established refurbishment and testing procedures for industrial electronic equipment. The evaluation process helps identify potential faults and verify the operating condition of the drive before shipment, providing customers with a dependable replacement solution for existing Siemens MICROMASTER 440 systems.

Thorough testing is particularly important for industrial variable-frequency drives because dependable motor control can be essential to production equipment and automated machinery. A professionally refurbished replacement can help reduce equipment downtime while allowing existing control systems and machinery to remain operational.

Repair & Exchange Services

York Scientific offers professional repair and exchange services for the Siemens 6SE6440-2UD21-1AA1 MICROMASTER 440 AC Drive. Experienced technicians can perform diagnostic evaluation, troubleshooting, component-level repairs, board-level repairs, and other repair services to help restore malfunctioning industrial drive equipment.

If your existing 6SE6440-2UD21-1AA1 is displaying fault codes, experiencing intermittent operation, failing to control the connected motor correctly, or contributing to production downtime, York Scientific can assist with repair requirements. Repair and replacement support can help extend the useful life of existing Siemens industrial drive systems while reducing the need for unnecessary equipment replacement.

Why Choose York Scientific?

Professionally Refurbished Siemens Equipment
Refurbished and Tested Replacement Products
Comprehensive Inspection and Functional Testing
Experienced Industrial Electronics Technicians
Reliable Replacement Solutions
Cost-Effective Alternative to New Equipment
Fast Worldwide Shipping
Repair and Exchange Services Available
Component-Level Troubleshooting and Repair
Experience with Siemens MICROMASTER Equipment
Support for Legacy Industrial Drive Systems
Industrial Automation Replacement Expertise
Responsive Technical Support

Frequently Asked Questions

What is the Siemens 6SE6440-2UD21-1AA1?

The Siemens 6SE6440-2UD21-1AA1 is a MICROMASTER 440 AC Drive / frequency inverter designed for variable-speed control of three-phase AC motors. It is designed for a 380�480 VAC three-phase input and is suitable for industrial automation and motor control applications.

What is the power rating of the Siemens 6SE6440-2UD21-1AA1?

The Siemens 6SE6440-2UD21-1AA1 has a 1.10 kW / 1.50 HP high-overload rating with a rated output current of 3.10 A. The unit has a rated input current of 4.90 A and an apparent output power rating of 0.9 kVA.

What input voltage does the Siemens 6SE6440-2UD21-1AA1 support?

The Siemens 6SE6440-2UD21-1AA1 is designed for a 3-phase 380�480 VAC �10% input supply with an input frequency range of 47�63 Hz.

Does the Siemens 6SE6440-2UD21-1AA1 have a built-in filter?

No. The Siemens 6SE6440-2UD21-1AA1 is specified as a MICROMASTER 440 without filter. The drive has an IP20 / UL open-type protection rating and is intended for installation in an appropriate industrial control cabinet or equipment enclosure.

Can York Scientific provide repair services for the Siemens 6SE6440-2UD21-1AA1?

Yes. York Scientific provides repair and replacement support for Siemens industrial automation equipment and MICROMASTER drive systems. Repair services can help diagnose faults and restore malfunctioning industrial drive equipment to reliable operating condition.

Request a Quote

Looking for the Siemens 6SE6440-2UD21-1AA1 Refurbished MICROMASTER 440 AC Drive? Contact York Scientific today for pricing, product availability, repair services, or exchange options. Our experienced team is ready to help you find a dependable Siemens replacement drive for industrial automation, variable-speed motor control, manufacturing, material handling, packaging, processing, and other industrial applications.