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Electronic DC Load for High-Power Applications

ITECH IT8400: Dynamic Load Testing and Automated Test Sequences

The ITECH IT8400 Series comprises programmable high-power electronic DC loads for battery and energy storage testing, fuel cells, DC charging stations, OBCs, DC/DC converters, motors, and power electronics. With 600 V and 1,200 V models and master-slave parallel operation up to 600 kW, the series covers both high-power standalone units and scalable test systems.

For fast load changes, the 1,200 V models provide dynamic operation up to 25 kHz with adjustable current rise and fall times. At ambient temperatures below 30 °C, double-power loading enables operation at up to twice the rated power for less than 3 s. Three current measurement ranges with resolution down to 40 µA support measurements across a wide current range.

LIST programming, internal and external triggering, and 0–10 V analog control enable reproducible load profiles and automated test sequences. OCP/OPP tests, battery testing, short-circuit simulation, and automatic testing further support test automation. LAN, USB, RS232, GPIB, CAN, analog, and I/O interfaces support remote control and system integration; IT9000 software, a LabVIEW driver, and the SCPI protocol are also available.

As an electronic DC load, the IT8400 absorbs power from the device under test. It is not designed for source operation or AC load testing. If the power absorbed during load testing needs to be fed back into the grid, a regenerative electronic load is required.

Alternative Products

For programmable DC load testing in the 150 W to 3 kW power range, the ITECH IT8500+ programmable electronic DC load is suitable. If both AC and DC load testing are required in a single system, the ITECH IT8600 electronic AC/DC load is an appropriate option.

Related Product Categories

Electronic Loads

Specify the Right DC Load for Your Test Bench

Testing battery discharge, fuel cells, or DC charging stations under high load? We help define voltage, current, dynamics, and automation so the IT8400 configuration fits your test bench.

Variants

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Specifications

Device class programmable high-power electronic DC load
Voltage range up to 600 V and up to 1,200 V, depending on the model
Current range 1.5 A to 15,000 A
Power range 6 to 54 kW per unit, up to 600 kW in master-slave parallel operation
Operating modes CC, CV, CR, CP, CV+CC, CV+CR, CR+CC, and CP+CC
Double-power loading up to twice the rated power for less than 3 s at ambient temperatures below 30 °C
Dynamic operation 25 kHz dynamic mode for 1,200 V models with adjustable current rise and fall times
Current measurement three measurement ranges, resolution down to 40 µA
Programming and test functions LIST programming with internal or external triggering, battery test with cut-off conditions for voltage, capacity, or time, OCP/OPP test, short-circuit simulation, automatic test
Interfaces LAN, USB, RS232, GPIB, CAN, Analog, and I/O; 0 to 10 V analog control for 0 to 100% load
Software and protocols IT9000, LabVIEW driver, SCPI
Protection functions OVP, UVP, OCP, OPP, OTP, current oscillation protection, current and power limiting, reverse-polarity protection

Options & Accessories

IT-E33620-OO connection cable, 360 A / 2 m, ring terminal to ring terminal
IT-E32410-OO connection cable, 240 A / 1 m, ring terminal to ring terminal
IT-E32420-OO connection cable, 240 A / 2 m, ring terminal to ring terminal
IT-E31220-OO connection cable, 120 A / 2 m, ring terminal to ring terminal
IT-E9003 ITECH warranty extension up to 3 years
IT-E9005 ITECH warranty extension up to 5 years

Scope of Delivery

IT8400 Series unit(s)
AC power cord
USB cable

Applications

Battery and energy storage testing
Fuel cell testing
DC charging infrastructure and OBC testing
Automotive electronics
Power supplies and power electronics
Solar testing

Videos

Links & Downloads

Available Documents (Subject to Change)

Supplier

LXinstruments has been supplying ITECH equipment since 2020. When an individual instrument needs to become part of a complete test system, we support you with product selection, system sizing and integration into the automation environment. The key is to ensure that the DUT, power requirements, interfaces and test sequence work together.

We also use ITECH equipment in customized test systems. Depending on the test application, we combine power supplies, electronic loads, grid simulation and measurement technology so that the functions match both the DUT and the test sequence.

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