Siemens 6SE7021-0TA21 Refurbished SIMOVERT MASTERDRIVES Vector Control Inverter

The Siemens 6SE7021-0TA21, also identified as 6SE70210TA21, is a SIMOVERT MASTERDRIVES Vector Control Inverter designed to provide reliable variable-speed motor control for demanding industrial automation applications. This compact inverter is designed for a 510–620 VDC DC-link supply and has a nominal output current of 10.2 A with a rated power of 4 kW. The unit features an IP20 enclosure and is part of the Siemens SIMOVERT MASTERDRIVES product family. Product references identify the 6SE7021-0TA21 as a SIMOVERT VC inverter compact unit designed for industrial drive applications.

The 6SE7021-0TA21 is a vector-control drive designed for controlled operation of compatible three-phase AC motors. Its compact construction allows the inverter to be integrated into suitable industrial control cabinets and automation equipment. The MASTERDRIVES platform provides a flexible drive solution for applications requiring dependable speed regulation, motor control, and reliable operation in manufacturing and process environments.

The Siemens 6SE7021-0TA21 is a legacy industrial drive component, making professionally refurbished equipment a practical solution for maintaining existing machinery. The model is discontinued by Siemens, while product references continue to identify it as a SIMOVERT MASTERDRIVES Vector Control Compact PLUS inverter with a 4 kW rating.

York Scientific supplies professionally refurbished Siemens 6SE7021-0TA21 units that are thoroughly inspected, professionally cleaned, electrically tested, and quality verified before shipment. This refurbishment process provides a dependable replacement option for obsolete or failed industrial drives while helping reduce maintenance costs and minimize unexpected equipment downtime.

Siemens 6SE7021-0TA21
*Actual item may vary.

Siemens 6SE7021-0TA21

Manufacturer: Siemens
Product Description: Ac Drive Simovert Masterdrive Vector Control Compact Plus 10 A 4 Kw 3-phase 510-650 V Dc
Part Number: 6SE7021-0TA21
Condition: Refurbished and Tested
Units in Stock: 6


Repair Price: $2873.78 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.

Industrial Applications

  • Industrial Motor Control Systems
  • Variable-Speed Drive Applications
  • SIMOVERT MASTERDRIVES Systems
  • Conveyor Systems
  • Pump Control Systems
  • Fans and Blowers
  • Packaging Machinery
  • Machine Tools
  • Manufacturing Equipment
  • Material Handling Systems
  • Process Automation Systems
  • General Industrial Automation

Key Features

  • Manufacturer: Siemens
  • Part Number: 6SE7021-0TA21
  • Alternate Part Number: 6SE70210TA21
  • Product Family: SIMOVERT MASTERDRIVES
  • Product Type: Vector Control Inverter
  • Compact Unit Design
  • Compact PLUS Configuration
  • DC Input Voltage: 510–620 VDC
  • Nominal Output Current: 10.2 A
  • Rated Power: 4 kW
  • Protection Rating: IP20
  • Vector Control Technology
  • Designed for Variable-Speed Motor Control
  • Designed for Industrial Drive Applications
  • Suitable for Existing Siemens MASTERDRIVES Systems
  • Professionally Refurbished and Fully Tested

Professional Refurbishment Process

Every refurbished Siemens 6SE7021-0TA21 undergoes a detailed inspection, professional cleaning, electrical testing, and functional verification before shipment. Experienced technicians carefully evaluate each unit to help ensure reliable operation, electrical integrity, and suitability for demanding industrial applications.

Purchasing a professionally refurbished Siemens SIMOVERT MASTERDRIVES inverter provides a practical and cost-effective alternative to sourcing new or obsolete equipment. The refurbishment process helps extend the operational life of existing industrial drive systems while reducing maintenance expenses and minimizing unexpected production downtime.

Repair & Exchange Services

York Scientific provides professional repair and exchange services for the Siemens 6SE7021-0TA21 SIMOVERT MASTERDRIVES Vector Control Inverter. Our experienced technicians perform complete diagnostics, component-level troubleshooting, board-level repairs, rebuilding, and comprehensive functional testing to restore defective units to dependable operating condition.

Whether the inverter is experiencing fault conditions, recurring errors, intermittent operation, or other performance issues, York Scientific can provide repair and replacement solutions designed to help minimize costly production downtime and keep existing Siemens automation equipment operational.

Why Choose York Scientific?

  • Professionally Refurbished Siemens Industrial Drives
  • Comprehensive Inspection and Functional Testing
  • Experienced Industrial Electronics Technicians
  • Reliable Replacement Products
  • Cost-Effective Alternative to New Equipment
  • Fast Worldwide Shipping
  • Repair, Exchange, and Technical Support
  • Large Inventory of Legacy Industrial Automation Components
  • Experience with Siemens SIMOVERT MASTERDRIVES Equipment
  • Responsive Customer Support

Worldwide Supply & Support

York Scientific supplies refurbished Siemens industrial automation products to customers worldwide. Whether you need an emergency replacement for a failed drive, a spare unit for preventive maintenance, or long-term support for an existing SIMOVERT MASTERDRIVES installation, our team is committed to providing dependable products, responsive technical support, and fast worldwide shipping.

Frequently Asked Questions

What is the Siemens 6SE7021-0TA21 used for?

The Siemens 6SE7021-0TA21 is a SIMOVERT MASTERDRIVES Vector Control Inverter designed for variable-speed motor control and industrial automation applications. It can be used in compatible machinery, manufacturing equipment, conveyors, pumps, fans, and other motor control systems.

What are the electrical specifications of the Siemens 6SE7021-0TA21?

The Siemens 6SE7021-0TA21 has a DC input voltage range of 510–620 VDC, a nominal current rating of 10.2 A, and a rated power of 4 kW. It is housed in an IP20 compact unit configuration.

Is the Siemens 6SE7021-0TA21 part of the SIMOVERT MASTERDRIVES family?

Yes. The 6SE7021-0TA21 is part of the Siemens SIMOVERT MASTERDRIVES family and is identified as a SIMOVERT VC Vector Control Inverter in a compact unit configuration.

Is every refurbished Siemens 6SE7021-0TA21 tested before shipment?

Yes. Every refurbished unit supplied by York Scientific is professionally inspected, cleaned, electrically tested, and functionally verified before shipment to help ensure dependable industrial performance.

Can York Scientific repair the Siemens 6SE7021-0TA21?

Yes. York Scientific provides diagnostic evaluation, component-level troubleshooting, board-level repair, rebuilding, exchange services, and functional testing for Siemens SIMOVERT MASTERDRIVES equipment, including the 6SE7021-0TA21.

Request Pricing & Availability

Looking for a refurbished Siemens 6SE7021-0TA21 SIMOVERT MASTERDRIVES Vector Control Inverter? Contact York Scientific today to request pricing, verify inventory availability, or learn more about our refurbishment, repair, and exchange services. Our experienced team is ready to help keep your industrial automation systems operating efficiently while minimizing costly equipment downtime.