Lenze EZN3A0080H042 Built-On Mains Filter Class A 480V 42A
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Product Information
The Lenze EZN3A0080H042 is a Class A line-side EMC interference suppression mains filter designed for 3-phase industrial motor drive installations. Identified as model BUILT-ON MAINS FILTER A, 50/60 HZ, 3X480VAC, 3X42A within the Lenze EZN Series, this mains filter suppresses high-frequency electrical disturbances and switching harmonics generated by drive power electronics. Built to operate on 3-phase networks up to 3 x 480 V AC at 50/60 Hz, the component handles a continuous rated current of 42 A across each phase. Its integrated footprint mounting form factor ensures compliance with EN 55011 and EN 61800-3 Class A electromagnetic compatibility standards in automated machinery.
Integrating a replacement mains filter relies on mechanical alignment and accurate line-to-load electrical wiring. Featuring a footprint mounting design, the EZN3A0080H042 installs directly beneath or behind matching Lenze drive units, such as Lenze 8200 series and Lenze 9300 series frequency inverters. Putting a spare unit into service requires no software setup, firmware alignment, or parameter transfer; commissioning involves verifying three-phase wire terminal torque, proper line/load orientation, and low-impedance ground connections to maintain optimal shielding. When replacing a damaged filter during maintenance, sourcing an exact replacement from ABC Industrial Parts helps ensure quick panel restoration without physical enclosure modifications.
Because this mains filter is a passive EMC hardware component without LED status indicators or digital diagnostic ports, line troubleshooting focuses on physical inspection and power verification. First-line checks include verifying three-phase mains supply stability at 3 x 480 V AC, ensuring continuous load current remains within the 42 A rating, and checking ground bonding continuity between the filter chassis and cabinet mounting plate. In cases of internal physical degradation or electrical insulation breakdown, internal components are non-serviceable in the field. Installing a tested replacement unit from ABC Industrial Parts provides a straightforward solution to eliminate high-frequency line noise and restore system stability.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EZN3A0080H042 |
| Model / Type | Built-On Mains Filter Class A |
| Component Type | Mains Filter |
| Product Family | EZN Series |
| Supply Voltage | 3 x 480 V AC |
| Rated Current | 42 A |
| Mains Frequency | 50/60 Hz |
| Number of Phases | 3 |
| Filter Class | Class A (EN 55011 / EN 61800-3) |
| Mounting Type | Built-on / Footprint |
Replacement and Spare Part Considerations
When replacing an active or failed filter with the Lenze EZN3A0080H042, confirm that the mains network supply does not exceed 3 x 480 V AC and that continuous current draw across all three phases remains within 42 A. Designed as a direct footprint match for Lenze 8200 and Lenze 9300 series frequency inverters, matching the part number ensures exact hole spacing and panel depth fitment.
As a passive EMC suppression filter, the unit requires no software downloads, memory transfers, or parameter adjustments during replacement. Maintenance personnel should verify clean, unpainted contact surfaces for the footprint ground plate to ensure low-impedance earthing, which is mandatory to satisfy Class A limits under EN 55011 and EN 61800-3.
Frequently Asked Questions
What is the primary application of the Lenze EZN3A0080H042 mains filter?
The Lenze EZN3A0080H042 is designed to suppress line-side EMC/RFI interference generated by frequency inverters, ensuring compliance with EN 55011 and EN 61800-3 Class A standards.
What electrical voltage and current limits apply to the EZN3A0080H042?
The filter operates on 3-phase AC networks rated up to 3 x 480 V AC at 50/60 Hz and supports a continuous current capacity of 42 A.
Which drive controllers are compatible with this mains filter?
This filter features a footprint design compatible with Lenze 8200 series and Lenze 9300 series frequency inverters.
Does replacing an EZN3A0080H042 filter require software or firmware configuration?
No software setup, firmware flashing, or parameter transfer is required. It is a passive hardware filter that functions immediately once properly wired and grounded.
How is the EZN3A0080H042 filter installed in a control cabinet?
It utilizes a space-saving footprint design that mounts directly beneath or behind matching Lenze frequency inverters, minimizing panel depth and shortening interconnecting power lines.
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Disclaimer:
We are not an authorised distributor of Lenze.
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