Siemens 6SE9211-4DA40 Refurbished MICROMASTER MM55/3 AC Drive

The Siemens 6SE9211-4DA40, also identified as 6SE92114DA40, is a Siemens MICROMASTER MM55/3 AC drive designed to provide reliable variable-speed control for three-phase AC motors used in industrial automation, manufacturing, machinery, and general-purpose motor control applications. This drive supports a 3-phase 380–500 VAC ±10% input at 50/60 Hz and provides a constant-torque rated output of 0.55 kW.

The MICROMASTER family provides compact frequency-converter solutions for controlling the speed of three-phase asynchronous motors. The 6SE9211-4DA40 is identified as the MM55/3 model and is an unfiltered version designed for compatible industrial installations where external EMC filtering may be provided separately or is not required.

The Siemens 6SE9211-4DA40 provides 0.55 kW constant-torque operation and supports 150% overload capability for 60 seconds. Its compact construction, IP20 protection rating, and 0°C to +50°C ambient operating range make it suitable for conveyors, pumps, fans, blowers, machine equipment, production machinery, and other industrial motor-control systems.

York Scientific supplies professionally refurbished Siemens 6SE9211-4DA40 drives that are thoroughly inspected, professionally cleaned, electrically evaluated, and quality tested before shipment. This refurbishment process provides a dependable replacement solution for obsolete, discontinued, or difficult-to-source Siemens automation equipment while helping reduce replacement costs and minimize unexpected industrial downtime.

Siemens 6SE9-2114-DA40
*Actual item may vary.

Siemens 6SE9-2114-DA40

Manufacturer: Siemens
Product Description: Ac Drive Micromaster 3 Phase 2.8 Amp In 1.6 Amp Out 400/500 Vac In 0-400/500 Vac Out 47-63 Hertz In 0-400 Hertz Out
Part Number: 6SE9-2114-DA40
Condition: Refurbished and Tested
Units in Stock: 6


Repair Price: $1203.00 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

  • Three-Phase AC Motor Control
  • Variable-Speed Drive Systems
  • Industrial Motor Control
  • Conveyor Systems
  • Pump Applications
  • Fans and Blowers
  • Machine Tools
  • Production Machinery
  • Manufacturing Equipment
  • Material Handling Equipment
  • Process Automation Systems
  • Factory Automation Systems
  • General-Purpose Motor Control

Key Features

  • Manufacturer: Siemens
  • Part Number: 6SE9211-4DA40
  • Alternate Part Number: 6SE92114DA40
  • Product Family: MICROMASTER
  • Model: MM55/3
  • Product Type: AC Drive / Variable Frequency Drive
  • Input Voltage: 3-Phase 380–500 VAC ±10%
  • Input Frequency: 50/60 Hz
  • Rated Motor Power: 0.55 kW
  • Rated Motor Capacity: Approximately 0.75 HP
  • Three-Phase AC Input
  • Variable-Speed Motor Control
  • Constant Torque Operation
  • 150% Overload Capability for 60 Seconds
  • Unfiltered Drive Version
  • IP20 Protection Rating
  • Ambient Temperature: 0°C to +50°C
  • Dimensions: 175 x 73 x 141 mm
  • Legacy Siemens MICROMASTER Technology
  • Professionally Refurbished and Fully Tested

Professional Refurbishment Process

Every refurbished Siemens 6SE9211-4DA40 undergoes a detailed inspection, professional cleaning, electrical evaluation, and comprehensive functional testing before shipment. Experienced technicians carefully examine the drive and its electronic components to help identify potential faults and ensure dependable performance in compatible industrial applications.

Purchasing a professionally refurbished Siemens MICROMASTER drive provides a practical and cost-effective alternative to sourcing new or discontinued equipment. The refurbishment process helps extend the service life of existing motor-control systems while reducing maintenance expenses and helping minimize costly production interruptions.

Repair & Exchange Services

York Scientific provides professional repair and exchange services for the Siemens 6SE9211-4DA40 MICROMASTER MM55/3 AC Drive. Our experienced technicians perform complete diagnostics, component-level troubleshooting, electronic repairs, rebuilding, and comprehensive functional testing to help restore defective drives to dependable operating condition.

Whether the drive is experiencing fault conditions, intermittent operation, power-related issues, or other performance problems, York Scientific can provide repair and replacement solutions designed to help minimize production downtime and maintain existing Siemens automation equipment.

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 MICROMASTER Drive Systems
  • Responsive Customer Support

Worldwide Supply & Support

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

Frequently Asked Questions

What is the Siemens 6SE9211-4DA40 used for?

The Siemens 6SE9211-4DA40 is a MICROMASTER MM55/3 AC drive designed for variable-speed control of three-phase AC motors in industrial automation, conveyors, pumps, fans, machinery, and other compatible motor-control applications.

What are the electrical specifications of the Siemens 6SE9211-4DA40?

The drive supports a 3-phase 380–500 VAC ±10% input at 50/60 Hz and provides a 0.55 kW constant-torque output. It also supports 150% overload for 60 seconds.

Is the Siemens 6SE9211-4DA40 filtered?

No. The Siemens 6SE9211-4DA40 is specified as an unfiltered MICROMASTER MM55/3 drive. External EMC filtering can be provided when required by the installation or system design.

Is every refurbished Siemens 6SE9211-4DA40 tested before shipment?

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

Can York Scientific repair the Siemens 6SE9211-4DA40?

Yes. York Scientific provides diagnostic evaluation, troubleshooting, component-level repair, rebuilding, exchange services, and functional testing for Siemens MICROMASTER drives and related industrial automation equipment.

Request Pricing & Availability

Looking for a refurbished Siemens 6SE9211-4DA40 MICROMASTER MM55/3 AC Drive? 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 motor-control and automation systems operating efficiently while minimizing costly equipment downtime.