Lenze EZN3A0150H024 Mains Filter – EZN3 Series 15A 480V 3-Phase EMC Filter
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Product Information
The Lenze EZN3A0150H024 is a 3-phase mains filter in the EZN3 Series designed for electromagnetic interference (EMI) and radio frequency interference (RFI) noise suppression on industrial frequency inverter inputs. Operating at supply voltages up to 480 V AC across network frequencies from 48 Hz to 62 Hz, this line conditioning component handles a continuous operational current up to 15 A. Installed on the mains input side of drive systems, it suppresses high-frequency distortion and prevents electrical noise from feeding back into the upstream supply grid, helping installations maintain regulatory EMC standards across packaging, material handling, automotive assembly, and general factory automation environments.
Connecting between the 3-phase AC power distribution supply and the inverter mains terminals, the filter relies on internal capacitive and inductive network filtering. Because it is a passive hardware device, putting a replacement EZN3A0150H024 into service requires no software setup, parameters, or digital commissioning steps. To maximize filter efficiency and maintain proper cabinet line quality, the filter should be installed in close physical proximity to the variable frequency drive using short, shielded interconnecting power lines to suppress radiated interference. When replacing an existing unit, ABC Industrial Parts provides tested replacements to streamline swap-outs and minimize machine downtime.
Troubleshooting a line filtering setup involves verifying basic electrical conditions, including ensuring the 3-phase voltage remains within the max 480 V AC rating, checking frequency alignment between 48 Hz and 62 Hz, and inspecting power wiring terminations for secure, low-impedance contact. Because internal capacitive and inductive components are fully sealed within the unit, internal component failure or degradation cannot be repaired in the field. When power quality issues or filter faults occur, replacing the faulty unit with a certified spare from ABC Industrial Parts provides a direct route back to stable, compliant machine operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EZN3A0150H024 |
| Model / Type | Mains Filter |
| Product Family | EZN3 Series |
| Component Type | EMC / Mains Filter |
| Number of Phases | 3 |
| Rated Current | 15 A |
| Maximum Supply Voltage | 480 V AC |
| Mains Frequency Range | 48 Hz - 62 Hz |
Replacement and Spare Part Considerations
When replacing a mains filter in a Lenze drive assembly, verify that the replacement unit matches the exact electrical ratings of 15 A continuous operational current and up to 480 V AC across 3 phases. Installing a replacement with lower current or voltage limits can lead to electrical overload or inadequate EMI suppression during operation.
The passive hardware design simplifies swap-out procedures, as no parameter loading, software tools, or firmware alignment are required. Commissioning focuses on correct physical positioning near the inverter and securing low-impedance grounding and power connections with short, shielded leads to maintain cabinet noise suppression.
Frequently Asked Questions
What is the primary function of the Lenze EZN3A0150H024 mains filter?
The Lenze EZN3A0150H024 provides EMC and RFI noise suppression on the 3-phase AC input side of frequency inverters, mitigating high-frequency distortion and preventing line noise from feeding back into the upstream grid.
Does the EZN3A0150H024 require parameter configuration or software setup?
No. The EZN3A0150H024 is a passive line conditioning filter built with internal capacitive and inductive components, requiring no software setup, parameters, or active configuration.
What are the primary electrical operating ratings for this filter?
The filter supports 3-phase AC supply voltages up to 480 V AC, handles a continuous operational current up to 15 A, and operates across network frequencies from 48 Hz to 62 Hz.
How should the EZN3A0150H024 be installed relative to the frequency inverter?
For effective EMI suppression, the filter should be installed in close physical proximity to the inverter, using short, shielded interconnecting lines to minimize radiated interference within the control cabinet.
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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.
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