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Reliable, Efficient, Ready

We have your power supply needs covered with our broad range of switching power supplies, DC-DC converters and linear power modules. With thousands of off-the-shelf models and custom designs, we produce every power supply to the highest quality and performance standards.

Spanning a range from 0.5 to 200 Watts, our comprehensive DC-DC converter lineup includes a huge variety of output types, packaging options.

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Our switching power supplies feature universal input capability and a range of output options, PC card, Din Rail or chassis mounting and high-performance EMI input filter.

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Our AC-DC linear encapsulated power modules are UL, CE and CSA certified and feature a high isolation voltage option, short circuit protection and super low noise.

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Featured Product

100-Watt DC-DC Converter For Railway Applications


Part of our HWB100 series of DC-DC converters, the HWB100-110S05 model for railway applications features optional sync, adjustable output voltage and a remote control. Other features include an input voltage range between 43 and 160 Vdc, short circuit protection and 90 percent efficiency. The HWB100-110S05 also meets all UL60950-1, EN60950-1 and EN50155 safety standards.

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Polytron Devices designs, manufactures and distributes high-performance power supplies for a wide variety of applications, including:

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