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AC/DC Power Supplies from COSEL

Reliable. Efficient. Designed for Industrial and Medical Applications.

FORTEC Switzerland offers COSEL’s wide range of AC/DC power supplies, covering every application from industrial automation and medical devices to laboratory and test systems. With more than 50 years of experience in power conversion, COSEL products are known for exceptional reliability, long service life, and low noise performance.

COSEL’s AC/DC lineup includes Enclosed, Open Frame, DIN Rail, Configurable, and PCB Mount types - each engineered for safe, efficient, and stable operation in demanding environments.

Enclosed Type Power Supplies

Rugged and Reliable Power in a Protected Housing.

COSEL’s enclosed AC/DC power supplies combine durable construction with long-term stability. Their metal enclosures provide mechanical protection and easy system integration, making them ideal for industrial and laboratory environments.

Typical Applications: Automation systems, test equipment, medical devices, and laboratory instrumentation.

Open Frame Power Supplies

Compact, Flexible, and Easy to Integrate.

The open-frame AC/DC power supplies from COSEL are designed for OEM use, offering compact design, high reliability, and easy installation. They are suitable for applications where flexibility, airflow cooling, and compact form factor are required.

Typical Applications: Industrial control, embedded systems, automation, and measurement equipment.

DIN Rail Power Supplies

Compact. Efficient. Built for Control Cabinets.

COSEL’s DIN-rail power supplies deliver stable and reliable performance in industrial control environments. They are designed for easy DIN-rail mounting and provide the durability required for factory automation and process control.

Typical Applications: Control cabinets, building automation, robotics, and process equipment.

Configurable Power Supplies

Modular Power Solutions for Complex Systems.

The configurable AC/DC platforms from COSEL allow engineers to combine multiple isolated output modules within one chassis. This modular concept provides flexibility for systems that require multiple voltages or high power density.

Typical Applications: Medical technology, test systems, communication infrastructure, and industrial automation.

PCB Mount Power Supplies

Compact Board-Mount Solutions.

COSEL’s PCB-mount AC/DC power supplies offer efficient power conversion directly on the circuit board. They are an excellent choice for designs requiring compact size, low noise, and high reliability in continuous operation.

Typical Applications: Control electronics, measurement systems, signal processing, and compact industrial devices.

Why Choose COSEL Power Supplies?

  • Broad AC/DC product range for industrial, medical, and OEM use
  • Proven Japanese design quality and reliability 
  • Global safety and EMC certifications
  • Local technical expertise and customer support

Interested in COSEL AC/DC Power Supplies? Contact us – we’ll help you find the right solution for your project.


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