DC loads

Professional DC loads do far more than just load direct current sources. Their versatile functions and high precision enable an efficient and reliable test environment that meets the high demands of industrial applications.

Precise and reproducible test results

Professional DC loads offer high-precision measurement and control options that ensure consistent test results. This is particularly important in the development and quality assurance of power supplies, batteries or electronic assemblies. Reproducible data is the basis for reliable decisions in product development.

Versatile operating modes for flexible application options

Whether constant current (CC), constant voltage (CV), constant power (CP) or constant resistance (CR) - the operating modes of our DC loads cover a wide range of test scenarios. This allows both linear and dynamic loads to be simulated, which is essential in many industries.

High safety and protective functions

Integrated protection mechanisms such as overcurrent, overvoltage and overtemperature protection ensure safe operation. Especially in industrial environments, these safety functions are essential to protect devices, measuring systems and users.

Easy integration into automated test systems

Thanks to a wide range of interfaces (e.g. USB, Ethernet, GPIB, CAN), professional devices can be easily integrated into existing test environments. This enables automated test processes and increases efficiency in series testing or long-term testing.

DC loads are used in numerous industries and fields of application in which DC systems need to be tested, analyzed or simulated. The following examples show how flexibly and effectively DC loads are used in practice.

Testing power supplies and converters

DC loads are often used to test power supply units, DC/DC converters and chargers under different load conditions. This allows efficiency, stability and behavior under load changes to be precisely analysed.

Battery testing and characterization

For battery tests, DC loads simulate real discharge cycles and enable detailed evaluations of capacity, internal resistance and thermal behavior. This is a decisive factor in e-mobility and storage technologies in particular.

Testing solar modules and photovoltaic systems

The ability to simulate IV characteristics makes DC loads ideal for simulating energy consumption in solar applications. This allows practical analyses and optimizations.

Simulation of real load profiles in research and development

DC loads are used in development departments to simulate real operating conditions. Cyclical loads, rapid load changes or ageing-specific scenarios can be simulated in great detail.

Selecting the right DC load is crucial for the efficiency and significance of your test processes. The following criteria will help you to identify a technically and economically optimal solution for your application.

Power range and voltage/current limits

Select a DC load with a power and voltage range that exactly matches your application. Underdimensioning leads to limitations in test quality. Oversizing leads to unnecessary costs.

Available operating modes and dynamic behavior

Depending on the application, loads should offer different modes and fast response behavior. Short rise and fall times are particularly important for transient tests.

Interfaces and control options

Ensure a good connection to your existing IT or test environment. Modern DC loads offer a wide range of communication interfaces and can be conveniently controlled via software.

Reliability and service

Robust devices and fast, competent support are essential for continuous industrial operation. A stable design, durable components and reliable technical support make the difference in daily use.

With decades of experience (since 1982) in power supply technology and a broad portfolio of leading manufacturers, we are your partner for customized solutions. Benefit from our strengths for your project:

Technical expertise

We understand the complex requirements of industrial testing processes and advise you individually. Our experts support you in the selection of suitable solutions - individually, manufacturer-independent and needs-oriented.

Extensive range

As a specialist in this field, we offer a wide range of DC loads from leading manufacturers. From compact desktop units to powerful solutions with several kW.

Service and first-level support

We support you from selection to commissioning and maintenance. Whether for research, development, quality assurance or production - our DC loads are tailored to a wide range of requirements and meet the highest technical demands.

Special solutions

On request, we can realize customer-specific adaptations for special applications. In addition to high-quality DC loads, we also offer you complete turnkey enclosure systems that are precisely tailored to your specific requirements.

With us, you don't just get a device, but a complete solution - including technical support and long-term availability.