E82ZZ75134B210 Lenze 8200-Series RFI Filter 3.4 A / 500 V

Product Overview

The E82ZZ75134B210 (E82ZZ75134B210) is a high-performance Radio Frequency Interference (RFI) filter specifically engineered for the Lenze 8200-series frequency inverters. Rated for a three-phase 500 V supply at 3.4 A, this specialized accessory is designed to suppress electromagnetic disturbances conducted via the mains supply line. By attenuating high-frequency noise generated by the inverter's power stage switching, the E82ZZ75134B210 ensures that the entire drive system complies with stringent international EMC (Electromagnetic Compatibility) standards. This filter is essential for protecting sensitive downstream electronics, such as PLCs, sensors, and communication equipment, from disruptive electrical noise. Despite its "Obsolete" status, it remains a critical component for stabilizing legacy 8200-series installations in high-precision manufacturing and processing environments.

Technical Configuration

The E82ZZ75134B210 features a robust LC-circuit architecture optimized for the switching frequencies common in 8200-series AC drives. It is designed for "footprint" or side-by-side mounting, allowing for an integrated, space-efficient assembly within the control cabinet. The hardware utilizes high-grade capacitors and inductive chokes to provide maximum attenuation of common-mode and differential-mode interference across a broad frequency spectrum (150 kHz to 30 MHz). Its 50/60 Hz compatibility and 500 V rating allow for global application in various industrial grid configurations. The filter is enclosed in a durable metal housing that acts as a Faraday cage, further minimizing radiated emissions and providing a reliable ground path for parasitic currents.

Technical Specifications

Technical FAQs

Does the E82ZZ75134B210 protect the inverter from lightning strikes?

No. This is an RFI filter designed for high-frequency noise suppression. For protection against high-energy surges or lightning, a dedicated surge protection device (SPD) or lightning arrester must be installed at the main power entry point.

Can I use a 3.4 A filter for a drive with a higher current rating?

No. The filter must be sized according to the continuous input current of the drive. Using a 3.4 A filter for a higher-power drive will cause the internal inductors to saturate and overheat, potentially leading to a fire hazard or permanent filter failure.

Is there a specific mounting orientation required for this filter?

While the filter can technically function in any orientation, it is recommended to mount it directly underneath (footprint) or immediately adjacent to the inverter. This keeps the unshielded cable length between the filter and the inverter as short as possible to prevent noise re-entry.

Engineering & Installation Guide

• Minimizing Cable Length: The lead length between the E82ZZ75134B210 and the frequency inverter should not exceed 30 cm. Longer leads act as antennas and can re-radiate the interference that the filter is designed to suppress. Use twisted-pair wiring for the connection to further cancel out magnetic fields.

• Surface Grounding: To achieve effective suppression, the metal housing of the E82ZZ75134B210 must have a large-surface-area connection to the grounded mounting plate. Ensure the mounting plate is zinc-plated or that any paint is removed at the contact points to provide a low-impedance path for high-frequency currents.

• Leakage Current Awareness: RFI filters contain capacitors connected to ground, which results in operational leakage currents. When using the E82ZZ75134B210, ensure that any upstream Residual Current Devices (RCDs) are "Type B" or "Type B+" and have a trip threshold appropriate for the cumulative leakage of the drive system to prevent nuisance tripping.