The Siemens Micromaster 420/440 (6SE6420-2UD17-5AA1) is a type of inverter or Variable Frequency Drive (VFD) used for controlling the speed and torque of motors. To ensure optimal performance and reduce electromagnetic interference (EMI), a nose filter (also known as an EMI or RFI filter) can be used.

Finding a Nose Filter for Siemens Micromaster 420/440 (6SE6420-2UD17-5AA1)

1. Siemens Official Website and Catalogs

• Siemens’ official website and product catalogs are the best places to start. You can search for compatible accessories, including nose filters, for your specific VFD model.
  • Siemens Drive Technology

2. Authorized Siemens Distributors

• Contact Siemens’ authorized distributors. They can provide information on compatible nose filters and may have them in stock.
  • Use the Siemens Distributor Locator to find a distributor near you.

3. Online Industrial Supply Stores

• Industrial supply stores and online marketplaces often carry a range of Siemens products and accessories, including EMI/RFI filters.
  • RS Components
  • Mouser Electronics
  • Allied Electronics
  • Grainger

4. Direct Contact with Siemens Support

• For specific inquiries, contact Siemens support directly. They can provide detailed information on compatible filters and where to purchase them.
  • Siemens Contact Information

Example of Compatible Nose Filters

While specific models can vary, here are some general types of EMI/RFI filters that may be compatible:

• Schaffner FN 258 Series
• TDK-Lambda RSEV Series
• EPCOS/TDK B84143 Series

Always verify compatibility with the specific model of your VFD and consult the user manual or Siemens support if in doubt.

Installation and Use

• Installation: Follow the VFD’s manual and the filter’s installation guide to ensure proper integration and grounding.
• Maintenance: Regularly check the filter and the VFD for any signs of wear or damage to maintain optimal performance.

Would you like more detailed specifications or help in finding a specific supplier for these filters?