We are experts in custom power supplies.

Schiederwerk has decades of experience in the development and production of custom power electronics for medical, lighting, and specialty industrial applications. Many international corporations and market and innovation leaders rely on us and our products—and for many decades at that. With our powerful development team and semi-automated production in Nuremberg, we are in an excellent position to face the challenges of the future.

With the high quality and reliability of our power supplies, we ensure our customers maximum reliability, low maintenance costs, and longer than average running times.

Our core competencies

For our OEM customers we develop and produce, among others:

  • Custom power supplies
  • LED drivers
  • Electronic ballasts and ignitors


Our development engineers have a consistently high level of training and extensive expertise in all areas of modern power electronics. They are the right point of contact for specifications that are difficult or unworkable with the standard or adapted standard solutions available on the market. Our modern and flexible production processes enable fast and efficient small and medium batch production as well as mass production in our own factory.

Schiederwerk power supplies. As individual as the later end product.

Schiederwerk power supplies. As individual as the later end product.

  • 100% Made in Germany
  • Efficiencies up to more than 96%
  • High realizable performance parameters
  • The highest quality and reliability
  • Compact, custom design
  • Novel, effective cooling concepts

Our customers supply a wide range of products with our power supplies:

  • Laser systems
  • Crash test lighting systems
  • Sun simulations
  • UV LED drying systems
  • Measuring instruments
  • Broadcast technology
  • Battery balancers
  • Medical devices such as X-ray machines, ultrasound machines, operating room lighting, dental treatment centers, and operating tables
  • Sports and large-area lighting systems
  • Studio and stage lighting

Typical products. Made by Schiederwerk

We are the right partner for power supplies with demanding performance parameters, difficult later deployment scenarios, unusual designs, and specifications that are far from standard. Our service spectrum ranges from simple PFCs and SMPS on up to complete plug & play finished power supplies in UL-certified control cabinets.

High voltage power supply unit for plasma generators

  • 20 kV Output voltage (pulse-like)
  • 700 W Output
  • Control interface
  • Output pulse frequency range of 40 – 80 kHz

LED drivers in large-area lighting

  • Output currents up to 30 A
  • Output voltages up to 750 V (1,000 V)
  • Output power over 1,500 W
  • Analog or digital control inputs
  • Single and multi-channel applications (RGB)
  • Additional functions and interfaces (e.g. DMX, RS‑485, DALI)
  • various input voltage ranges
  • Complete hardware and software development by us

UV LED drivers for the printing industry

  • Up to 3,200 W power
  • Constant current-regulated outputs for UV LED
  • Multi-output devices
  • Linear as well as PWM control
  • Internal monitoring features
  • Minimal noise generation

Want to work on a project with us?

Together we develop your individual power supply according to your specifications. Contact us – or directly fill out our data sheet with your specifications.

Everything under one roof

Step by step to your solution

Quality that pays

Any questions?

Stefanie Hess is always here for you.

Our colleague Stefanie Hess is happy to help you with any questions you may have about your custom power supplies. Contact her now!