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Railway & Transportation

A moving non-controlled environment is a challenge for any electronics. Our power solutions for railway & transportation are well prepared for this.

Railway applications can be divided into rolling stock and track side, with the former dividing again into propulsion and car body. Most of them share the combination of higher than normal reliability requirements and a challenging environment. Propulsion system applications are among the most challenging anywhere with regard to the reliability/ environment combination. Powerbox has more than 30 years’ experience in designing and delivering power solutions for all types of railway applications.

Our customer base is considerable, which has led to an enviable reputation and track record of reliability and our LCC (Life Cycle Cost) is second to none. We work with some of the largest players in the international rail industry – a position of trust we value highly.

Although much of our experience in the transportation market has been in railway applications, we have also acquired an extensive reputation for providing power into other areas such as automotive, marine and avionics.

Download Railway capabilities brochure.
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Download Marine capabilities brochure

Railway Applications

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Rolling stock applications
→ Propulsion systems (IGBT control, brake control, computers)
→ Drivers cabin (power displays, communication systems etc.)
→ Passenger cabin (AC power in seat, information displays, entertainment systems)
→ Bistro (microwaves, coffee machines, cash registers, computers)
→ Battery charging and system power generation
→ Charging devices for electrical motor start
→ Brake magnetizing in towing applications
→ Zero volt start applications

Signaling and track side applications
→ Level Crossing controls
→ Signaling Control Systems

Quality assurance and follow-up

Quality is an integrated part of everything we do. Our design process includes extensive testing, internal as
well as external. Tests are also frequently run by our customers in their respective applications. In addition to the information we gain by tracking repairs and service requests, we also do regular quality follow up together with our customers, all to ensure a long and trouble-free life for our products.
Powerbox is also certified by DNV according to ISO 9001:2008.

International standards
We are experienced at providing products to meet and be approved to relevant railway standards, such as EN50155, EN50121-3-2, EN61373 and EN45545, in addition to more localized standards.

Caring for the environment

At Powerbox we take an active role in protecting our environment. Our contribution includes:
Streamlined solutions and lean design using fewer components reduces material used. RoHS, WEEE and REACH are among the standards governing choice of materials.

High efficiency reduces energy consumption both directly by reducing losses and indirectly by reducing the need for cooling.

Energy efficient transportation and well developed use of online meetings are important elements in our determination to meet or exceed international standards by sustaining ISO-14001 compliance or the equivalent.

Get in contact with a power conversion specialist

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We lean confidently on over 40 years of experience and subject matter expertise to identify the best means of solving every particular power conversion challenge. Please contact a power conversion specialist with your need today.

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DC/DC Quick Solution Guide

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Download our finder tool which will help simplify your task to find a suitable DC/DC conversion solution for your application.
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Product examples

Case

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Scalable battery charging for rolling stock

A customer was updating a series of regional trains and needed battery charging and dc supply, that were to operate in a tropical climate with natural convection cooling.

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Re-design of propulsion system

Powerbox proposed a re-design of the customer’s subsystem, maintained schedule and avoided important potential costs for a delay.

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System Solution to Solve Noise and Transients Beyond EN50155/EN50121-3-2

The challenge A regular customer of ours ran into problems during a locomotive retrofit. A battery chargers input circuit broke down repeatedly and the cause was identified as a combination of noise from the load and transients from pantograph bouncing. The noise and transient levels were way outside of the limits in EN50155 and EN50121-3-2, […]

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