8102E.5C.21 - Frequency Converter - LENZE

Lenze 8102E.5C.21, frequency inverter for secure, controlled motor regulation

Designed for controlling industrial drives, the Lenze 8102E.5C.21 frequency inverter is part of the 8100/8200 family, known for regulation stability and robustness in production environments. It meets the needs of maintenance managers, automation engineers and integrators who must adjust the speed of a three-phase asynchronous motor, ensure reliable starts and protect the installation. The control logic adjusts the output frequency to accurately follow your speed setpoint, while acceleration and deceleration ramps reduce mechanical stress. Torque-limiting functions and motor protections against overload, overcurrent, overvoltage and undervoltage contribute to operational availability. The unit is commonly cabinet-mounted and integrates into automation architectures. With configuration accessible via a keypad or an external module depending on the setup, the 8102E.5C.21 secures service continuity on conveyors, pumps, fans and process applications.

Reliable regulation, measurable operational gains

• Speed stability – Precise adjustment of the output frequency ensures consistent setpoint holding, supporting product quality and cycle repeatability.
• Controlled starts and stops – Acceleration and deceleration ramps limit jerks, reduce mechanical wear and protect driven loads.
• Drive protection – Built-in monitoring functions for overload, overcurrent, overvoltage and undervoltage protect the motor and inverter, reducing the risk of unplanned downtime.
• Torque control – Torque limiting prevents unintended peaks during load changes, which stabilizes the process and prevents downstream failures.
• Easy integration – Standard cabinet mounting and configuration via keypad or module depending on equipment, speeding up commissioning and restart after intervention.

Functional architecture and build quality

The 8102E.5C.21 is part of Lenze's 8100/8200 series, dedicated to controlling standardized asynchronous motors and, depending on configuration, reluctance motors. The power electronics modulate the AC supply to provide a variable-frequency three-phase output to the motor. Typical functional blocks include speed setpoint generation, ramp management, torque limiting and electrical protections. The unit is intended for installation in an electrical cabinet, on a DIN rail or mounting plate, with wiring compliant with industrial best practice. Configuration is performed via a local keypad or by means of an external configuration module, depending on the chosen equipment. Communication interfaces may be available depending on the variant, for integration into an existing automation system. The series' industrial design targets reliability, consistent diagnostics and simplified maintenance, with clear technical documentation for operation and troubleshooting.

Typical uses and applications

This inverter is aimed at conveyor lines, pumping systems, industrial ventilation and many process drives requiring speed variation, progressive load ramp-up and appropriate protection. Maintenance teams will find a reliable solution to replace failed equipment and reduce downtime. Integrators and engineering firms will use it to modernize a drive, optimize flow control or adjust a production rate, with pragmatic configuration that enables rapid deployment.

Differentiation, reliability and support

The 8100/8200 series from LENZE benefits from extensive industry feedback, making it a proven technical basis for standard drive applications. Standard Exchange Industry supports this product with solutions adapted to your field emergency, including supply via exchange unit, new or reconditioned units, as well as repair. Units are bench-tested with traceability of inspections. Warranties typically range from 6 to 24 months depending on the chosen service. You benefit from professional support to clarify compatibility, prepare commissioning and secure the return to production.

Need a short lead time or integration advice for the 8102E.5C.21 LENZE for conveyors, pumps or fans linked to your process? You can request a quote and check lead times. Our technical teams will guide you to the most suitable solution, from exchange unit to repair, in order to quickly restore your throughput and preserve the reliability of your installation.