Lenze E84AVSCE4024SX0 8400 Series 4.0 kW Inverter Drive

Product Overview

The E84AVSCE4024SX0 (E84AVSCE4024SX0) is a high-performance variable frequency drive (VFD) from the Lenze 8400 State-of-the-Art series, engineered to provide precise motor control in demanding industrial environments. Designed for power ratings up to 4.0 kW, this drive is a critical component for stabilizing automation processes in sectors such as automotive manufacturing, material handling, and packaging logistics. By integrating advanced interference suppression measures, the unit ensures electromagnetic compatibility (EMC) and protects sensitive control electronics from harmonic distortion. Its robust hardware architecture is purpose-built to minimize system downtime, offering a reliable solution for high-duty cycle applications where energy efficiency and dynamic response are paramount.

Technical Configuration

The E84AVSCE4024SX0 features a sophisticated power stage designed for a 3-phase mains connection of 400 to 500 VAC. The "State-of-the-Art" designation within the 8400 series signifies its capability for sensorless vector control, which allows for high torque output even at low frequencies. This specific model includes an integrated RFI filter (interference suppression), eliminating the need for external filtering components in most standard installations. The hardware interface supports modular communication, allowing the drive to be integrated into various fieldbus architectures (such as CANopen or EtherCAT) via optional plug-in modules. Its thermal management system is optimized for compact cabinet mounting, utilizing a high-efficiency heatsink design to maintain stable operating temperatures during continuous 4.0 kW output.

Technical Specifications

Technical FAQs

How does the integrated interference suppression benefit the overall control system?

The integrated measures significantly reduce conducted high-frequency emissions back into the power grid. This prevents the VFD from interfering with the logic signals of PLCs and sensors located in the same control cabinet, ensuring signal integrity without requiring extra DIN rail space for external filters.

Is the E84AVSCE4024SX0 compatible with permanent magnet synchronous motors (PMSM)?

While primarily optimized for asynchronous induction motors, the 8400 State-of-the-Art firmware supports sophisticated control algorithms that can accommodate various motor types, provided the motor parameters are correctly commissioned via the Lenze Engineer software.

What are the primary considerations when replacing an older 8200 series drive with this model?

The 8400 series offers superior memory management and diagnostic capabilities. When migrating, verify the mounting dimensions as the footprint may differ, and ensure that the parameter set is converted using the L-force engineering tools to maintain identical motion profiles.

Engineering & Installation Guide

• Thermal Clearance and Mounting: To ensure adequate airflow, maintain a minimum vertical clearance of 100 mm above and below the drive. For side-by-side mounting, this specific 8400 model allows for zero-clearance installation in environments below 40 deg C, but a 10 mm gap is recommended if the ambient temperature frequently exceeds 45 deg C to prevent thermal tripping.

• EMC Compliant Wiring: Use shielded motor cables only. The shield must be connected to the functional earth (PE) using a large-surface contact (shield clamps) at both the inverter end and the motor terminal box. Avoid "pigtail" grounding, as high-frequency impedance in long pigtails negates the effect of the internal interference suppression.

• Power Supply Protection: For the 4.0 kW rating, ensure that the input circuit breakers or fuses are sized according to local electrical codes (typically 16A or 20A slow-blow for 400V systems). Always verify that the DC bus has fully discharged (wait at least 5 minutes after power-off) before performing any maintenance on the output terminals.