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About us

After the start in 1974 the company evolved into Powerbox for own designs and Craftec for distribution. These activities are now united in the new POWERBOX.

Our products are at the heart of what makes delicate and complex systems tick. We take from volts to kilovolts, and from watts to kilowatts. We’re the people you turn to when you need to keep a high-speed train in motion, when power must be maintained safely underwater or at 36,000 feet, or when someone’s life depends on a steady power supply to a critical medical device.
We are masters of power.

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For press related inquiries, please go to the press office.
Latest pressrelease:
COSEL announces new R&D Innovation center in Toyama Japan

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Entwickler (m/w) von Stromversorgungslösungen
Read more here: Entwickler (m/w) von Stromversorgungslösungen

Mitarbeiter (m/w) Montage
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Mitarbeiter (m/w) Prüffeld
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Our offices

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Head office

Industrigatan 8
646 35 GNESTA, Sweden
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COSEL announces new R&D Innovation center in Toyama Japan

COSEL Co, Ltd (6905: Tokyo) has today announced the opening of a new R&D and innovation center in Toyama, Japan.

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Powerbox’s S-CAP BOOST power solution named as finalist in prestigious Elektra Awards

Powerbox has announced that its new S-CAP BOOST platform has been selected by the Elektra Awards committee as a finalist in the highly contested Power System Product of the Year category.

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Powerbox wins Power Product of the Year in recognition of its technical prowess in coreless power solution

Powerbox has won the Power Product of the Year accolade at the prestigious Electronics Industry Awards.

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Powerbox announces precharger solution for railway applications at Innotrans 2018

Powerbox announces the introduction of its ENR1000-PC series precharger unit designed to deliver peak power to high capacitive loads in railway applications.

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