EA-ELR 10750-120 4U Programmable Regenerative DC Electronic Load

The EA-ELR 10750-120 4U is a high-performance, energy-recovering programmable electronic DC load designed for rigorous testing of DC power sources, batteries, and solar panels. As part of the 30kW series, it offers a wide voltage range of 0-750V and a current range of 0-120A, achieving up to 96.5% efficiency in energy recovery mode. This benchtop power supply testing unit operates in constant voltage (CV), constant current (CC), constant power (CP), and constant resistance (CR) modes. It features an integrated function generator for arbitrary waveforms, battery test functions, MPP tracking for solar panel simulation, and compliance with DIN 40839 test standards. Equipped with USB, Ethernet, and analog interfaces, plus optional digital interface modules, it supports remote control and data logging. The device allows parallel operation in a master-slave system for up to 64 units, making it scalable for high-power applications. With precise measurement accuracy and comprehensive protection features, it is ideal for R&D, production, and quality assurance in various industries.

Key Features

• High Power and Broad Range: 30kW power rating with 0-750V voltage and 0-120A current ranges for versatile testing scenarios.
• Efficient Energy Recovery: Up to 96.5% efficiency, feeding recovered energy back to the grid to reduce operational costs and heat output.
• Multiple Operating Modes: Supports CV, CC, CP, and CR modes for accurate simulation of various load conditions.
• Advanced Testing Capabilities: Includes built-in battery test, MPP tracking for solar panels, arbitrary waveform generator, and DIN 40839 test curves.
• Flexible Control and Monitoring: Features USB, Ethernet, and analog interfaces; optional digital interfaces (e.g., CAN, Profibus) for seamless integration and remote operation.
• Scalable System Design: Master-slave parallel operation supports up to 64 units, enabling total system power up to 1920kW.
• Precise and Safe Operation: High accuracy display and comprehensive protection including OVP, OCP, OPP, and OT for reliable performance.
• Effective Cooling Solutions: Standard forced air cooling or optional water cooling for optimal thermal management in demanding environments.