Lenze ESMD752 L4TXA SMD AC Drive

The Lenze ESMD752L4TXA 7.5kW AC Drive is a versatile Variable Frequency Drive (VFD) designed for 3-phase 400V AC power systems. Rated at 14.8 Amps, this drive delivers a full 7.5 kW power output, making it an ideal choice for driving industrial AC induction motors in diverse automation environments.

It combines flexible terminal wiring options, an easy-to-read LED display, customizable inputs, and adjustable switching frequencies up to 10 kHz for smooth, low-noise operation.

Technical Specifications Summary

To assist system integrators, plant electrical engineers, and control panel builders, below is the comprehensive technical parameter overview:

Technical Parameter Specification Value / Detail
Brand / Manufacturer Lenze
Product Series SMD AC Drive Series
Model Number ESMD752L4TXA
Rated Motor Power 7.5 kW (10 HP)
Rated Output Current 14.8 A
Supply Voltage 3-Phase 400 V AC
EMC Line Filter Required as a Separate External Unit
Operating Noise Level Low-noise mode with adjustable switching up to 10 kHz
Physical Dimensions (H x W x D) 300 mm x 200 mm x 300 mm
Unit Weight 7.0 kg
Drive Performance Level Basic / General Industrial

Key Functions & Operational Capabilities

Implementing the Lenze ESMD752L4TXA 7.5kW AC Drive in industrial setups provides necessary drive functionality:

  • Convenient Start/Stop Operation: Simplifies routine motor control through standard digital terminal wiring.

  • Flexible Analog Set-Point Signals: Accepts reference inputs via voltage or current (0–10V / 4–20mA) for dynamic speed control.

  • Customizable Digital Inputs: Allows technicians to configure terminal functions for multi-speed setups, jog controls, or emergency stops.

  • Programmable Relay Output: Delivers operational feedback signals such as drive readiness, fault indicators, or running status.

  • Frequency Limitation & Reduction: Enables frequency capping to maintain process stability and protect connected machinery from overload.

  • Adjustable Low-Noise Operation: Features adjustable switching frequencies up to 10 kHz to reduce motor acoustic noise in quiet operating areas.

Primary Industrial Applications

Due to its continuous 14.8A current capacity and straightforward interface, the Lenze ESMD752L4TXA 7.5kW AC Drive is suitable for a wide range of industrial applications:

  1. Conveyor Networks & Belts: Ensures smooth acceleration/deceleration ramps to prevent material spillage during transport.

  2. Industrial Pumps & Air Handling Fans: Provides variable speed regulation to lower energy consumption in fluid and airflow management.

  3. Processing & Packaging Machinery: Offers reliable speed holding for continuous production and wrapping lines.

  4. General Machine Construction: Serves as a budget-friendly VFD baseline for machine builders needing 7.5kW (10 HP) motor speed control.

Conclusion

The Lenze ESMD752L4TXA 7.5kW AC Drive balances cost-efficiency, reliable 14.8A current output, and customizable analog/digital controls, making it a reliable solution for 400V three-phase motor applications.