The Specialist Buyers Guide for Rail Supplies and Services


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Here is YourGuide to the leading suppliers of DC Power Solutions

Cable Services Group

Cable Services Group was founded in 1971 and is the UK’s leading Specialist Electrical Distributor. We stock and supply both cable and cable accessories to the domestic and international markets, sourced from a select number of leading product manufacturers from our UK locations.  

We provide full technical back up to our customers on all the products supplied by Cable Services Group. In addition to our own expertise, our long-standing relationships with our supply partners ensure that their technical knowledge is immediately available. 

The Cable Services Group offers specialist technical assistance in the rail sector for both AC and DC networks. Our network of branches throughout the UK offers comprehensive logistical support. Our vast portfolio of products allows us to cater for all your project requirements.

Telephone Number
01978 340 450
Cable Services Group, Bridge House, Bridge Road, Wrexham Industrial Estate, Wrexham, LL13 9PS
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Traco Electronic AG

TRACO Electronic AG is a Swiss company with headquarters based in Baar, Switzerland. As a leading power supply specialist with more than 35 years experience we are dedicated to the design and manufacturing of high quality DC/DC and AC/DC power conversion products. TRACO markets its products worldwide under the registered trademark TRACO Power. Our mission is to provide our customers with optimal power supply solutions in terms of performance, quality and cost for their individual application.

Product Range:

TRACO Electronic AG product range focuses on the following markets: Industrial & IT, Transportation & Railway, Medical & Healthcare, Automation & Control, Renewable Energy & Smart Grid. Within these market segments TRACO offers one of the most comprehensive programs for standard products: 

  • DC/DC Converter Modules, 1–300 W
  • Encapsulated AC/DC Power Modules, 2–100 W
  • AC/DC Power Supplies (open frame / encased), 15–1000 W
  • Power Supplies for DIN-Rail Mounting, 15–1000 W
  • High Power Rack Converters and Inverters, up to 22 kW

Compliance, Certification and Quality Management

TRACO Electronic AG has a high reputation for global compliance with applicable regulations and directives allowing easier implementation of our products in our customer’s applications. Our products are 100% tested and burned-in prior to shipment to guarantee full compliance to the applicable published specifications. Our safety critical products are globally certified to current standards in accordance to the applicable market segments. TRACO’s global manufacturing facilities are certified to ISO 9001/14000. Our commitment to quality is supported by a full 3 year product warranty. 

Commercial and Technical Support

Our experienced team of application engineers has the ability to assist on any question concerning product specifications, safety standards and application. Our customers highly value our reliable two working days dedicated response policy. 

Distribution, Availability and Sustainability

TRACO Electronic AG distributes its products through a global network of franchised distributors recognized in the industry for top-level design, stocking and supply chain services. The majority of products presented in our selection guide and on our web site are available ex-stock for dispatch from our central warehouse in Baar, Switzerland within 48 hours. With an extended product lifecycle TRACO Electronic AG provides a long-term disposability and maintenance.

Telephone Number
+41 43 311 4511
Traco Electronic AG, Sihlbruggstrasse 111, Baar, Switzerland, CH 6340
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PSL Assemblies Ltd

PSL Assemblies Ltd are manufacturers of bespoke semiconductor stack assemblies and engineered thermal products for all power electronic applications. 

In-house design and manufacture of all types of specialist heatsinks - including high-density bonded-fin heatsinks, extruded-profile heatsinks and liquid-cooled plates up to 1200mm x 750mm footprint.

Semiconductor stack assembly includes the manufacture of bespoke Rectifier, Inverter, IGBT Chopper, and Static Transfer Switch sub-assemblies. PSL Assemblies Ltd is also the UK agent for ICAR and Itelcond capacitors, and we supply gate drives, laminated bus-bars and complex power stacks upon request.

Telephone Number
+44 (0)1582 676800
PSL Assemblies, PSL House, Eastern Avenue, Dunstable, LU5 4JY, UK
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MTM Power

MTM Power®  has increasingly developed into one of the largest power supply manufacturer for railway applications in Europe. The decisive factor here is the quality of innovative products and the flexibility and reliability of the base business. 

MTM Power® offers a wide range of EN 50 155 compliant DC/DC converters with 14 - 400 W which are especially designed for vehicle and railway applications. Particularly for the sophisticated use in trains, these devices supply the electric and electronic systems on board and track side. Besides these rail converters, the product range includes DC/AC inverters, filters and multi-power supply systems with 500 - 2000 W. In addition, MTM Power® also provides an extensive range of AC/DC modules for various applications.

MTM Power® products meet all relevant standards and VDE/EN/UL regulations if applicable. A worldwide unique thermoselective vacuum encapsulation (EP 1987708, U.S. Patent No. 8,821,778 B2), large-scale testing and examination, including burn-ins, guarantee a high quality and reliability of MTM Power products. 

Top product quality and total customer care are the keys to our continuing success. Every single product is individually tested before being put on sale. With a works failure rate of a mere 0.01 %, the benefits of continuous quality control are plain to see. Moreover, MTM Power® have our own experienced design team. No matter whether it's a special tailor-made order or a new product, you can be sure that our engineers and technicians will come up with the perfect solution.

Come and say hello to us at:

  • SIFER 2019 – 26th  - 29th  March 2019 in Lille/France – Booth 1/328
  • Railtex 2019 – 14th  - 16th May 2019 in Birmingham/UK – Booth J03
  • EXPO Ferroviaria 2019– 1st  - 3th October 2019 in Milan/Italy – Booth E74
Sales Contact
Brit Keil
Telephone Number
+49 (0)69 / 1 54 26-28
Reuterweg 49, 60323 Frankfurt / Main, Germany
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Samuel James Engineering Ltd

Samuel James Engineering Ltd, part of Unipart Rail, is one of the UK’s leading suppliers of LV switchgear and control gear systems for the Rail Industry, specialising in the manufacture of LV Switchgear, Panel Boards, Automatic Changeover Panels, and UPS Panels.

Samuel James Engineering Ltd is dedicated to craftsmanship and quality and is committed to providing an ever-improving service to all of our existing and future clients.

Telephone Number
01162 350 380
Samuel James Engineering, 21 Ashton Close, Beaumont Leys, Leicester, LE4 2BQ
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