Lenze 391 447 EZ F3 016A003 RFI Mains Filter
Het item werd toegevoegd aan uw offerteaanvraag
Product Information
The Lenze 391 447 (EZ F3 016A003 RFI) is a 3-phase EMC/RFI interference suppression filter designed for industrial drive systems. Belonging to the EZ Series Filter Accessories family, this mains filter mitigates high-frequency electrical noise generated by variable frequency drives before it propagates back into the primary power grid or interferes with nearby control hardware. Operating on 3-phase electrical supply lines up to 480 V AC at 50/60 Hz, the filter supports a continuous rated current of up to 16 A. Enclosed in an IP20 protection housing suitable for control cabinet mounting, it maintains power quality and regulatory EMC compliance across packaging machinery, material handling equipment, and automated manufacturing systems.
Integrating or replacing the Lenze 391 447 is direct and efficient due to its passive hardware design. The unit operates purely through electrical filtering components, requiring no software parameterization, firmware flashing, or address setup. During commissioning or maintenance replacement, technicians need only ensure proper mechanical installation in the enclosure and verify correct terminal connections for the 3-phase line supply and drive feed cables. When servicing automated machinery built around Lenze 8200 series frequency inverters, sourcing a matching replacement through ABC Industrial Parts provides an immediate drop-in component that restores original noise suppression without requiring control program adjustments.
Because the Lenze 391 447 is a passive electrical device, it operates without microcontrollers, status LEDs, or electronic diagnostic displays. Basic maintenance and troubleshooting consist of checking terminal connections for correct torque, verifying line voltage across input and output phases, and ensuring proper earth grounding. If high-frequency noise interference, line quality issues, or power irregularities persist while wiring and load parameters are verified, the filter hardware may require replacement. ABC Industrial Parts can support rapid sourcing of tested replacement or exchange units to resolve power quality issues and minimize machinery downtime.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 391 447 |
| Model / Type | EZ F3 016A003 RFI |
| Component Type | EMC/RFI Filter |
| Product Family | EZ Series Filter Accessories |
| Rated Current | 16 A |
| Maximum Supply Voltage | 480 V AC |
| Phase Count | 3 |
| Frequency Range | 50/60 Hz |
| Ingress Protection Rating | IP20 |
Replacement and Spare Part Considerations
When selecting a replacement filter unit, confirm that the connected variable frequency drive does not exceed the continuous current rating of 16 A and operates within 480 V AC across 3 phases at 50/60 Hz. Matching these electrical specifications is vital to maintain appropriate suppression performance and avoid thermal stress on line components.
The Lenze 391 447 is specifically designed for seamless operation with Lenze 3-phase AC drives, including legacy ranges such as the Lenze 8200 series. Because the unit is housed in an IP20 cabinet enclosure and operates without digital memory or software settings, swapping an existing unit simply involves disconnecting power, transferring terminal conductors to the spare unit, and securing the physical mount.
Frequently Asked Questions
What is the primary function of the Lenze 391 447 filter?
The Lenze 391 447 (EZ F3 016A003 RFI) is a 3-phase mains filter that suppresses high-frequency electromagnetic and radio frequency interference (RFI) generated by AC drives, helping preserve grid power quality and achieve industrial EMC compliance.
Does the Lenze 391 447 require software configuration or parameter setup?
No. The Lenze 391 447 is a passive filter component that requires no software programming, firmware updates, or parameter settings during installation or replacement.
What are the core electrical ratings for this line filter?
The filter is rated for 3-phase AC operating voltages up to 480 V AC at 50/60 Hz, with a maximum continuous current capacity of 16 A.
Which drive series is compatible with the Lenze 391 447?
The filter is compatible with Lenze 3-phase AC drives rated up to 16 A, including frequency inverters from the Lenze 8200 series.
How do you perform basic field checks on the Lenze 391 447?
Field verification involves inspecting power cable terminals for proper tightness, confirming correct phase continuity and line voltages on input and output sides, and ensuring the grounding conductor is securely attached.
Take advantage of our exchange formula
A defective product does not have to be worthless. At ABC Industrial Parts, you can hand in defective products and immediately benefit from a discount on your new purchase. This is a smart way to save money while contributing to a circular economy.
Play it safe with our warranty conditions
Industrial plants prefer to keep running invariably, no matter what. Therefore, it is essential that you can rely on high-quality products and/or sustainable repairs. With our warranty conditions, you can count on certainty, whether you choose new, used or repaired products.
Data backup and recovery
Have you lost valuable parameters or data due to a malfunction while the manufacturer no longer provides support? At ABC Industrial Parts, we help you secure this data, both for common and specific products.
Specific firmware and hardware versions
If you are working with specific hardware or firmware versions that are no longer available from the manufacturer, ABC Industrial Parts is your partner. When making your enquiry, clearly state which versions you need, we will then look at the possibilities of supplying those versions, so that your installations continue to function optimally.
Disclaimer:
We are not an authorised distributor of Lenze.
Product photos are for illustration purposes only and may differ from the actual product delivered.
Some of the content on this page was created with the help of AI. While we strive to provide accurate and up-to-date information, errors may occur.