High-performance factory automation systems require drive units that combine precise motor control, high energy efficiency, and integrated safety protocols. The Lenze E84AVTCE7514SXO VFD Inverter, a core variable frequency drive from Lenze’s trusted 8400 series, is engineered to optimize 3-phase AC motor operation across complex industrial machinery setups.
The Lenze E84AVTCE7514SXO VFD Inverter is an advanced industrial Variable Frequency Drive (VFD) designed for 3-phase 380–480V AC power supplies. Delivering an output power rating of 7.5 kW (10 HP), this drive regulates motor speed and torque across an output frequency spectrum from 0 to 400 Hz.
Built within a compact IP20 enclosure for panel mounting, this drive supports multiple control algorithms—including V/Hz, sensorless vector control, and closed-loop vector control. It comes equipped with Safe Torque Off (STO) safety functions and versatile industrial communication interface options.
To assist system integrators, control panel designers, and plant automation engineers, below is the comprehensive specification overview:
| Technical Parameter | Specification Value / Detail |
| Brand / Manufacturer | Lenze |
| Drive Series | 8400 Series Platform |
| Model Number | E84AVTCE7514SXO |
| Rated Power Output | 7.5 kW / 10 HP |
| Input Power Supply | 3-Phase 380 V to 480 V AC |
| Output Frequency Spectrum | 0 Hz to 400 Hz |
| Motor Control Modes | V/Hz Control, Sensorless Vector Control, Closed-Loop Vector |
| Integrated Safety Function | Safe Torque Off (STO) Compliance |
| Enclosure Protection Class | IP20 (Cabinet Mounting) |
| Operating Temperature | -10°C to +50°C |
| Communication Support | PROFIBUS, CANopen, Ethernet (Modbus TCP, EtherCAT) |
| Thermal Protection | Internal Cooling Fan & Thermal Overload Safeguards |
The operational framework of the Lenze E84AVTCE7514SXO VFD Inverter balances drive performance, energy savings, and operator protection:
Power Conversion & Speed Adjustment: Converts fixed 3-phase utility grid power into variable output frequency and voltage, matching motor speed precisely to demand.
Advanced Control Algorithms:
V/Hz Control: Delivers simple speed holding for general continuous drives.
Sensorless Vector Control: Provides high starting torque and precise speed regulation without needing feedback encoders.
Closed-Loop Vector Control: Uses encoder feedback devices for exact positioning and speed holding under fluctuating load conditions.
Integrated Safety (STO): The built-in Safe Torque Off (STO) function safely stops power delivery to the motor without shutting down the entire drive electronics during maintenance or emergency stops.
Network Connectivity: Integrates into automated architectures via PROFIBUS, CANopen, or Ethernet for remote diagnostic tracking, programming, and real-time control.
Integrating the Lenze E84AVTCE7514SXO VFD Inverter into industrial control cabinets provides several key benefits:
7.5kW / 10HP Output Power: Delivers continuous driving force for heavy-duty motor applications.
Flexible Control Modes: Easily adaptable to simple pumps as well as high-precision positioning machinery.
Energy-Saving Operation: Reduces electrical utility costs by adjusting motor speeds according to real-time process requirements.
Safe Torque Off (STO) Included: Enhances plant safety and compliance with international industrial safety standards.
Space-Efficient Enclosure: Compact IP20 profile optimizes cabinet space in high-density panel layouts.
Comprehensive Drive Protection: Protects motor windings against short circuits, line surges, overvoltage, and thermal overloading.
Due to its accurate vector control and customizable network protocols, the Lenze E84AVTCE7514SXO VFD Inverter is widely utilized across multiple sectors:
Conveyor Networks & Material Handling: Provides smooth acceleration ramps and controlled deceleration for heavy material transport.
Automated Production & Packaging Lines: Synchronizes multi-axis packaging, wrapping, and indexing equipment accurately.
Industrial Pumps & HVAC Ventilation Fans: Optimizes airflow and fluid transport speed while minimizing electrical energy consumption.
OEM Industrial Equipment: Functions as a customizable, high-performance VFD baseline for machine builders requiring 7.5kW drive power.
The Lenze E84AVTCE7514SXO VFD Inverter delivers a balanced combination of 7.5kW drive capacity, STO safety compliance, flexible vector control, and broad fieldbus connectivity, making it an efficient choice for 3-phase industrial motor control systems.
