Home ITECH | DC Electronic Load IT-M3300 Regenerative DC Electronic Load
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ITECH | DC Electronic Load

IT-M3300 Regenerative DC Electronic Load

The IT-M3300 Regenerative DC Electronic Load is a compact, high-performance, 1U half-rack load with up to 800W power absorption. It supports high-efficiency power regeneration by feeding power back to the grid, reducing energy costs and cooling requirements. With modular architecture, multi-channel control (up to 256 channels), and high-speed measurement, it is perfect for battery discharge tests, power supplies, and semiconductor aging..

  • Detail
  • Special Features
  • Specification

The IT-M3300 series provides a modular and scalable design with high energy recovery efficiency, making it a cost-effective solution for testing batteries, power supplies, and semiconductors. It integrates seamlessly with multiple units for large-scale tests, supporting up to 16 units in parallel and 256 channels for extensive system testing. Its high-speed measurement allows for accurate voltage and current readings, even when connected to multiple units, making it a reliable tool for dynamic testing and battery simulations.

The IT-M3300 series excels in testing applications that require precise and continuous monitoring, such as solar power, fuel cells, and battery chargers. The regenerative function ensures that energy is fed back into the grid, contributing to environmental sustainability while cutting operational costs. This load is equipped with advanced protection features, ensuring safe and reliable testing even in demanding environments.

  1. Compact Design:

    • 1U half-rack size with high power density (up to 800W).

  2. Energy Regeneration:

    • 90% regeneration efficiency to return power to the local grid, reducing energy costs.

  3. Multi-channel Control:

    • Supports up to 256 channels, each with independent control, ideal for large-scale testing.

  4. Advanced Protection:

    • Includes OCP, OVP, UVP, OTP, overheat, and grid fault protection.

  5. Battery Discharge Testing:

    • Supports three cut-off conditions: voltage, capacity, and discharge time.

  6. Flexible Modular Architecture:

    • Stackable design and rack-mountable with 16 units for higher flexibility.

  7. Dynamic Testing:

    • Adjustable current rise/fall time for precise control during tests.

  8. Multi-mode Operation:

    • Offers CC, CV, CR, CP modes and compound modes like CV+CC.

  9. Temperature Monitoring:

    • Built-in temperature measurement with optional external sensors.



  • Voltage Range: 10V - 1500V (depending on model).

  • Current Range: Up to 720A (depending on model).

  • Power Output: Up to 800W.

  • Measurement Resolution:

    • Voltage: 0.001V.

    • Current: 0.01A.

  • Accuracy:

    • Voltage: <0.03% + 0.03%FS.

    • Current: <0.1% + 0.1%FS.

  • Modes: CC, CV, CR, CP, CV+CC, CR+CC, CC+CV.

  • Sampling Rate: 10 times/s (for up to 16 units).

  • Protection: OCP, OVP, OTP, current oscillation protection, power-off protection.

  • Temperature Measurement: Built-in standard temperature sensor, with optional external temperature sensor.

  • Interfaces: USB, LAN, RS232, GPIB, CAN, external analog control.

  • Max. Channels: 256 channels.

  • Parallel Connection: Supports up to 16 units in parallel.