33.8203-E Lenze 8200-Series AC Drive 2 HP 230 V

Product Overview

The 33.8203-E (338203E) is a high-performance frequency inverter designed for precise vector control of asynchronous motors within the 8200-series range. Rated at 2 HP (1.5 kW) and operating on a 230 V supply, this AC drive is a staple in material handling, pump systems, and conveyor automation. It is engineered to deliver high starting torque and smooth speed transitions, which are critical for reducing mechanical stress on drivetrains and minimizing production line downtime. Its slim, book-style housing allows for seamless integration into compact control cabinets, providing a robust solution for both modernized retrofits and specialized industrial applications. Despite its phase-out status, the 33.8203-E continues to be a reliable choice for maintenance engineers requiring proven reliability and precise motor modulation.

Technical Configuration

The 33.8203-E features a modular hardware architecture that allows for flexible fieldbus communication and I/O expansion. It utilizes advanced pulse-width modulation (PWM) techniques to optimize motor efficiency and reduce acoustic noise. The drive includes integrated protection against short circuits, phase loss, and thermal overload, ensuring the safety of both the inverter and the connected motor. For communication, the 8200-series typically supports pluggable modules for LECOM, CAN, or PROFIBUS, allowing for easy integration into higher-level SCADA or DCS architectures. The internal parameter structure is designed for rapid commissioning using Lenze’s standard keypad or Global Drive Control (GDC) software, supporting complex ramp profiles and DC injection braking for high-inertia loads.

Technical Specifications

Technical FAQs

Can the 33.8203-E be used for constant torque applications?

Yes, the 8200-series is capable of maintaining constant torque across a wide speed range. For heavy-start applications, ensure the current limit parameters are adjusted to accommodate the specific motor's peak requirements.

How do I clear an 'OC1' (Short Circuit/Overload) fault code?

Check the motor power cables for insulation breakdown and verify that the motor windings are not grounded. If the fault persists after disconnecting the motor, the internal IGBT module of the drive may be compromised.

Is it possible to control this drive via a PLC over a network?

The 33.8203-E supports networked control, but it requires a specific communication module (e.g., 2102 CAN or 2133 PROFIBUS) to be inserted into the front expansion slot. Without these, control is limited to local I/O or the keypad.

Engineering & Installation Guide

• Mounting and Clearance: This drive is designed for vertical mounting. To ensure proper airflow, maintain a minimum gap of 100 mm above and below the unit. Since the 8200-series units can be mounted side-by-side, ensure the cabinet temperature does not exceed 45 deg C to avoid automatic current derating.

• Cable Shielding: Use only shielded motor cables with a maximum length of 50 meters (unshielded) or 25 meters (shielded) to comply with EMC directives. The shield must be connected to the PE rail via a wide-surface grounding clamp to effectively dissipate high-frequency interference.

• Safety Warning: After disconnecting the power supply, wait at least 5 minutes for the DC bus capacitors to discharge to a safe voltage (below 50 VDC) before touching terminals or performing maintenance. Always measure the DC+ and DC- terminals with a multimeter to confirm zero energy.