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  • Home
  • Products
    • INDUSTRIAL POWER SUPPLIES
      • AC loads
      • AC grid simulators
      • AC sources
      • DC/DC converter
      • DC loads
      • Bidirectional DC power supplies
      • DC sources
      • Inrush current limiter
      • Industrial power suppy units
      • Measuring devices
      • Switch cabinet construction
      • OEM - Customized power supply units
    • MEASUREMENT TECHNOLOGY
      • display devices
      • Ground fault and short circuit indicator
      • ground fault indicator
      • overhead line indicator
      • cable junction boxes
      • short-circuit indicator
      • Electrical Measuring Instruments
      • Process Controller
      • Sensors for earth faults
      • Sensors for short circuits
      • Voltage tap terminals
      • Voltage display and detection
      • temperature sensor
      • converter
    • FUEL CELLS
      • Methanol Fuel Cells
      • Hydrogen Fuel Cells
    • THERMAL SOLUTIONS
      • Flexible heaters
      • Cartridge heaters
      • Customer-specific heaters
      • Customized heater assemblies
      • Peltier elements
  • Applications
    • Industrial power supplies
      • Charging drive systems
      • AC network simulations
      • Fuel cell tests
    • Thermal Solutions
      • Imaging and Optical Systems
      • Spacecraft and Satellite Battery Systems
      • IR detectors and EO/IR systems
      • Ventilators & respirators
      • PCR-DNA thermocycling
      • Valves and dosing pumps
      • Liquid heating
      • Respiratory function analysis
      • Heating of samples
    • Measurement technology
  • Services
  • References
  • About Us
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Industrial power supplies / DC sources

DC sources

Top products from renowned manufacturers

High-performance DC power supplies: for test systems, laboratories, and production lines

Our range of programmable DC sources includes a wide selection of models from leading quality manufacturers such as Delta Elektronika, Regatron AG, and ITECH. These brands stand for maximum reliability, durable components, and excellent control accuracy —crucial factors for industrial applications with continuous operation and high safety requirements.

Our portfolio includes the powerful devices of the G5.SRC, IT6600D, IT6000D or SM3300. They are characterized by low residual ripple, high dynamics, and a wide range of interface options.

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The programmable DC source of the G5.SRC series is a reliable precision power supply for industrial laboratories and test benches.
Product photo: SM3300 laboratory power supply from Delta Elektronika
IT6600C ITECH bidirectional power supply units

DC sources as a key component for precise power supply in technical applications

DC sources (direct current sources) are electronic devices for the precise supply of direct current, which play a central role in a variety of industrial and technological processes. They supply electronic assemblies, test laboratories, automation systems or development environments with precisely defined voltages and currents.

In modern industrial sectors - such as the automotive industry, semiconductor production or in the field of renewable energies - DC sources enable reliable testing, charging and supply processes. The precision, programmability and versatility of quality DC sources make them an indispensable tool for engineers and developers.

  • DC sources play a central role in development, quality assurance and series production. They deliver precisely controllable current and voltage values - a basic requirement for standard-compliant tests, long-lasting product quality and efficient test processes in industrial practice.

    High precision and reproducibility

    Only high-quality DC sources guarantee a stable voltage and power supply with minimal deviations. For industrial engineers, this means exact test conditions for validation or endurance tests. The high control accuracy helps to eliminate fluctuations and achieve reproducible results - crucial for quality assurance in development and production.

    Flexible control and integration

    With powerful DC sources, the user has a choice of different interfaces available - e.g. USB, LAN, RS-232, CAN, Modbus etc.. This enables easy integration into automated test environments or production lines. For test automation engineers, this significantly reduces the amount of cabling and software customization required.

    High efficiency

    The devices achieve an efficiency of 94–96%. This not only improves the energy efficiency of entire test stations in the long term, but also reduces operating costs.

  • Whether in the automotive industry, electronics production or energy technology - DC sources are used wherever defined direct current conditions are required. The following application examples illustrate the versatility and industry-specific requirements.

    Automotive industry and e-mobility

    DC sources are used in charging electronics tests, BMS simulations or for high-voltage components. They enable precise simulations of battery behavior and charging cycles - essential for the development of modern electric vehicles.

    Research and development

    DC sources are used in laboratories and development departments for material testing, sensor technology, and active component behavior. Thanks to programmable curves, real load scenarios can be precisely replicated.

    Semiconductor and electronics production

    DC sources are indispensable for burn-in tests, functional tests or in-circuit tests. Their accuracy contributes to product quality and the avoidance of rejects.

    Renewable energies

    In solar simulations or when testing inverters, DC sources provide realistic feed-in profiles.

  • The requirements for DC sources vary depending on the area of application. In addition to the required output power, control accuracy, controllability, safety functions and communication interfaces are particularly important. The following points provide an initial orientation or support you in your selection.

    Power class and voltage range

    Choose a DC source to suit your maximum current and voltage requirements. Models with autoranging can cover a wider range of applications than classic fixed-range devices.

    Interfaces and control

    Pay attention to existing communication interfaces such as LAN, USB, CAN, Ethercat, Profinet, Modbus, or analog I/O. SCPI or LabVIEW compatibility is advantageous for automated test environments.

    Protective functions and safety

    Integrated protection mechanisms such as OVP, OCP or OTP protect both your test specimens and the source itself from damage. Galvanic isolation is also an important criterion, depending on the application.

    Design and cooling concept

    Whether rack-mounted or desktop: the design should match your existing infrastructure. Intelligent fan management or water-cooled variants increase operational reliability in continuous operation. Talk to us if you need a customized enclosure systems you need. We supply turnkey racks that are precisely tailored to your technical requirements - including cabling, cooling and documentation.

  • 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.

    Extensive range

    From compact desktop units to powerful cabinet solutions with several 100 kVA.

    Service and first-level support

    We support you from selection to commissioning and maintenance.

    Special solutions

    On request, we can realize customer-specific adaptations for special applications. In addition to high-quality DC sources, 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.

Get in touch with us

Do you need a reliable DC source for laboratory, production or research? Talk to our experts. We will advise you individually, find the right solution and support you with installation and integration.

Contact us now by phone, by e-mail or via our inquiry form - We look forward to advising you in detail on your requirements. Benefit from our decades of experience!

Get in touch with us
Back to: Industrial power supplies
YOUR INQUIRY

What are your requirements?

Whether standard product or customer-specific requirement. We look forward to supporting you competently in finding a solution with in-depth customer advice.

You will only find high-quality products with us. Some standard appliances are available from stock at short notice.

We look forward to your inquiry.

Martin Sochor

Project engineer & first level support
powersupply@ing-fischer.at
+43 2236 42694-40

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    About us

    Founded in 1982, Ing. Erhard Fischer GmbH has been a premium solution provider for customers in the manufacturing industry, research & development, automotive, solar, automation technology, aerospace, university research, medical technology, utilities, etc. for over 40 years. In addition to standard products, we also offer highly complex special solutions and complete systems.

    Contact us

    • AT-2371 Hinterbrühl,
      Weissenbach 101
    • office@ing-fischer.at
    • +43 (0)2236 42694-0

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