The Lenze ESMD751L4TXA Inverter is an industrial-grade frequency drive engineered for 3-phase 380–480V AC power supplies. Delivering an output power rating of 0.75 kW (1 HP), this inverter adjusts output supply frequency up to 500 Hz to control asynchronous motors with precision.
Encased in an IP31-rated enclosure for indoor cabinet mounting, it features an integrated digital programming keypad and standard V/Hz control to optimize energy use and reduce mechanical wear.
To assist system integrators, electrical technicians, and maintenance engineers, below is the comprehensive technical overview:
| Technical Parameter | Specification Value / Detail |
| Brand / Manufacturer | Lenze |
| Model Number | ESMD751L4TXA |
| Power Output Rating | 0.75 kW / 1.0 HP |
| Input Supply Voltage | 3-Phase 380 V to 480 V AC |
| Output Voltage Range | Proportional to Input Voltage |
| Output Frequency Spectrum | 0 Hz to 500 Hz |
| Control Method | Volts per Hertz (V/Hz) Control |
| Enclosure Protection Class | IP31 (Indoor Panel Use) |
| User Interface | Integrated Keypad for Setup & Monitoring |
| Operating Environment | Standard Industrial Ambient Conditions |
The operational framework of the Lenze ESMD751L4TXA Inverter provides smooth speed adjustments and energy savings:
Integrated Keypad Setup: Operational parameters—such as target speed, acceleration ramps, and deceleration limits—are programmed using the built-in keypad.
V/Hz Control Algorithm: Maintains a constant ratio between output voltage and supply frequency, ensuring balanced motor torque and stable operation under changing loads.
Variable Frequency Output: Converts fixed 3-phase utility power into customizable variable-frequency AC power, matching motor speed directly to process demand.
Protective Operation: Prevents sudden electrical stress on motor windings, extending machine lifespan and lowering operational costs.
Integrating the Lenze ESMD751L4TXA Inverter into control cabinets provides several key benefits:
Space-Saving Compact Footprint: Engineered to occupy minimal panel space, optimizing layout efficiency in control enclosures.
Broad Output Frequency Range (0–500 Hz): Accommodates standard industrial motors as well as higher-speed processing machinery.
Energy-Efficient Performance: Reduces power draw by matching motor speed output directly to real-time process demands.
IP31 Enclosure Rating: Offers protection against dust and vertical water drops in standard indoor panel environments.
Built-In Keypad Interface: Simplifies routine parameter adjustments and diagnostic checks without needing external software tools.
Due to its reliable V/Hz control and compact form factor, the Lenze ESMD751L4TXA Inverter is widely utilized across multiple sectors:
Packaging Machinery: Controls indexing, wrapping, and sealing drives smoothly.
Conveyor Networks & Material Handling: Offers smooth acceleration and deceleration routines for material transport belts.
Pumps & Industrial Ventilation Fans: Enables variable speed control to optimize fluid flow and facility ventilation.
General Industrial Machinery: Serves as a dependable baseline VFD for machine builders requiring 0.75kW (1 HP) AC motor regulation.
The Lenze ESMD751L4TXA Inverter combines compact housing, an integrated keypad, and efficient V/Hz speed regulation, making it a reliable solution for 0.75kW industrial AC motor applications.
