Modern industrial automation setups require robust, energy-efficient, and easy-to-integrate motor speed controllers to handle variable load conditions smoothly. The Lenze E82EV751 4C200 Frequency Inverter, a core variable frequency drive from Lenze’s established 8200 series, is engineered to deliver precise speed and torque regulation for 3-phase AC induction motors.
The Lenze E82EV751 4C200 Frequency Inverter is a high-performance industrial Variable Frequency Drive (VFD) designed for 3-phase AC power systems. By altering supply voltage and frequency, this drive manages motor speed, acceleration, and dynamic torque across continuous factory production processes.
Housed in a compact enclosure for control cabinet mounting, it supports both Volts per Hertz (V/f) control and advanced sensorless vector control. Featuring native CANopen fieldbus connectivity and integrated thermal protection, it provides smooth process automation without needing extra feedback encoders.
To assist system integrators, control panel builders, and electrical maintenance engineers, below is the comprehensive specification overview:
| Technical Parameter | Specification Value / Detail |
| Brand / Manufacturer | Lenze |
| Drive Family | 8200 Series |
| Model Number | E82EV751-4C200 |
| Product Type | Frequency Inverter / VFD |
| Compatible Motor Type | 3-Phase Asynchronous AC Motors |
| Primary Control Algorithms | V/f Control, Sensorless Vector Control |
| Enclosure Protection Rating | Compact IP20 Cabinet Mounting Profile |
| Integrated Communication | Built-in CANopen Fieldbus Interface |
| Internal Safeguards | Overvoltage, Thermal, and Overload Protection |
The operational framework of the Lenze E82EV751 4C200 Frequency Inverter ensures continuous speed management, energy efficiency, and operational safety:
Precision Power Conversion: Converts incoming fixed-frequency three-phase AC utility grid power into variable output frequency and voltage, adjusting motor speed directly to real-time process demand.
Dual Operational Control Modes:
V/f (Volts per Hertz) Control: Maintains a constant voltage-to-frequency ratio, making it ideal for standard pumps, ventilation fans, and simple continuous drives.
Sensorless Vector Control: Delivers high dynamic torque response and tight speed regulation under fluctuating load conditions without needing shaft encoders.
CANopen Fieldbus Network Connectivity: Connects directly into plant automation architectures via built-in CANopen protocols for real-time control, status tracking, and automated diagnostics.
Automated Fault Safeguards: Integrated monitoring circuits continuously analyze line voltage, output current, and heat levels, triggering safe trips during overvoltage, overload, or thermal issues.
Integrating the Lenze E82EV751 4C200 Frequency Inverter into industrial control panels offers several key technical benefits:
Precision Motor Control: Delivers accurate speed holding and smooth torque management across dynamic load demands.
Energy-Optimized Drive Control: Reduces electrical power consumption by matching motor output directly to process load requirements.
Space-Efficient Cabinet Footprint: Compact design optimizes layout density inside high-density control enclosures.
Native CANopen Fieldbus Support: Simplifies integration with centralized PLCs and higher-level automation networks.
Comprehensive Internal Protections: Safeguards motor windings and internal drive electronics against short circuits, voltage surges, and thermal overloading.
Due to its precise sensorless vector regulation and compact design, the Lenze E82EV751 4C200 Frequency Inverter is widely utilized across multiple industrial sectors:
Conveyor Systems & Material Transport: Provides smooth acceleration ramps and controlled deceleration to prevent material spillage during transport.
Industrial Pumps & Air Handling Fans: Optimizes fluid flow rates and ventilation fan speeds while significantly lowering electrical utility costs.
Packaging & Textile Equipment: Ensures consistent speed holding for continuous wrapping, sealing, spinning, and machining machinery.
HVAC Facilities & Ventilation: Serves as a dependable baseline VFD for facility managers requiring efficient 3-phase motor speed regulation.
The Lenze E82EV751 4C200 Frequency Inverter offers a reliable combination of sensorless vector accuracy, space-saving design, and native CANopen networking, making it an efficient choice for modern 3-phase industrial motor control systems.
