MTM Power® Messtechnik Mellenbach GmbH

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Visit us at our booth and use the opportunity to inform yourself about the latest power supply trends for the sophisticated use in the field of logistics and material handling technology.
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MTM Power has expanded its range of DC/DC converters with a new series that is tailor-made to meet the requirements in vehicle technology. Highest quality and safety are of particular importance when using power supplies in these applications. As a link between the supply system and the electronic subsystems, extremely high demands are placed on them with regard to their reliability. Due to the good price performance ratio and the excellent technical data, these converters, though, are increasingly used in stationary and industrial applications.
 
The new PMDS200-FT series can be flexibly used. The nominal input voltages are 48 V and 80 V. The existing input filter protects the devices against the typical transients occurring inmon-board electrical systems. The standard output voltages are 12 V and 24 V. Other voltages, e.g. end-of-charge voltages for lead-acid batteries can be realised on request.
 
The low Ripple & Noise values combined with a high output voltage constant guarantee reliable operation of all connected consumers. Other decisive features are short-circuit resistance, transient protection, the insulation resistance of 1.18 kVAC prim.-sec. and a wide temperature range -35...70 °C (85 °C on request).

This year MTM Power wants to further increase its worldwide export business. The winning of Precimation AG as a new representative for Switzerland lays the necessary foundations for raising the export share of the turnover in 2017. Precimation has a unique product portfolio connection systems and components and its linecard includes more than 25 of the most effective manufacturers worldwide. As a leading company for connection systems and components in the fields of industrial electronics, telecommunications, rail and defence technology, aviation and space travel, Precimation can draw on a solid base of professional knowledge and many years of experience. Various custom-made services include design-in solutions as well as other value added services to meet customer´s needs, for instance in the areas of logistics or product enhancement. Precimation works together with the most efficient and market-leading manufacturers in the world and offers the best quality, maximum flexibility and a fair pricing policy on all its products. For expanding its product range by standard and customised power supply solutions, MTM Power is the ideal partner for Precimation.

The primary switched DC/DC converters PCMDS80 from MTM Power® are specially designed for applications in rail and vehicle technology but also for use in industrial and telecommunication applications. They are available with 80 W output power and operate according to the single transistor forward converter topology with a frequency of 50 kHz. With the help of a transformer and a secondary linear choke, a galvanically isolated output voltage (12 V; 13,8 V; 24 V; 27,6 V or 48 V) is produced which is adjusted by pulse-width modulation according to the current mode principle. The converters are available with three wide input ranges thus covering the battery voltages of 24 V, 36 V, 48 V, 60 V, 72 V, 80 V, 96 V and 110 V acc. EN 50 155. The dimensions of the base plate version are 119 x 100 x 40 mm and of the heat sink version are 119 x 115 x 65 mm (length x wide x height). The thermoselective vacuum encapsulation (EP 1 987 708, U.S. Patent No. 8,821,778 B2) guarantees homogeneous heat dissipation within the modules as well as an excellent resistance against environmental influences such as shock, vibration and humidity. The converters need no ground load and are short-circuit protected by primary and secondary power limiting. The converters are maintenance-free, prepared for the use in devices with Protection Class II and need besides the protection fuse no external components. They fulfil the low voltage directive as well as the EN 50 155 standard for electronic equipment in railway applications. They show a mechanically and electrically rugged design using SMD technology and undergo an automatic piece-by-piece test. Cooling is achieved by free convection. The converters without heat sink have to be mounted on a heat-dissipating surface.

The primary switched DC/DC converters PCMDS150WK-IP65 from MTM Power are specially designed for applications in vehicle and rail technology but also for use in industrial and telecommunication applications. The push-pull topology used while developing these converters enables a wide input voltage range with high efficiency. Thus the 150 W converters are available with a wide input range for battery voltages of 24 V,
36 V, 48 V, 60 V, 72 V, 80 V, 96 V and 110 V acc. EN 50 155. With the help of a transformer and a secondary linear choke, a galvanically isolated output voltage of 24 V is produced which is adjusted by pulse-width modulation according to the current mode principle. The dimensions are 192 x 115 x 68 mm (length x wide x height). The thermoselective vacuum encapsulation guarantees uniform heat dissipation within the modules as well as excellent resistant against environmental influences such as shock, vibration and moisture. Remarkable feature of the converters is that they are suitable for applications with protection degree IP65 and thus they are complying with
EN 60 068-2-1/2-2/2-11/2-14/2-30. The converters need no ground load and are short-circuit protected by primary and secondary power limiting. The converters are maintenance-free, prepared for the use in devices with Protection Class II and fulfil the low voltage directive. They show a mechanically and electrically rugged design using SMD technology and undergo an automatic piece-by-piece test. Cooling is achieved by free convection.

Absolutely safe under extreme conditions. After many years of research, MTM Power® has developed an encapsulation technology which is unique in the world: the THERMOSELECTIVE VACUUM ENCAPSULATION. Thus, MTM Power modules are completely resistant against shock and vibration as well as dust and humidity. Due to the extreme hard cover – the result of the THERMOSELECTIVE VACUUM ENCAPSULATION – they are absolutely robust and resistant. They are insensitive to mechanical stress and are free of air inclusions. The efficient heat dissipation of power semiconductor devices extends the service life time. These special encapsulation material is self-extinguishing acc. to UL94-V0 and meets IP67. Recently, a patent has been granted to MTM Power's vacuum encapsulation technology, EP 1 987 708 and furthermore the vacuum encapsulated modules of the series PM-IP67A are patented in the United States, U.S. Pat. 8,263,880.

MTM Power receives the "Star" in the category "Commodity Parts" of the Division Rail Systems. The Division Rail Systems of Siemens AG invited their national and international top suppliers to the award ceremony "Our Stars for Rail Systems 2014". The gala event was held in Schönbrunn Palace in Vienna on 25 March. Seven of the best suppliers were awarded with a "Star" on this marvellous evening – MTM Power GmbH is very pleased to win the award in the category "Commodity Parts".   Just as Siemens, MTM Power demands highest standards as regards to quality and performance which is essential for a successful cooperation. MTM Power delivers power supply solutions for railway vehicles to Siemens Rail Systems and is regarded as a leading innovator in this commodity field. The extensive product portfolio fulfils rail industry requirements in all respects. At the same time, custom-made products or modifications of existing products can be realised also in relatively small volumes and in a short period of time. The company is involved as a partner in many of the rolling stock projects of Siemens.   Hilmar Kraus, CEO and Steffen Heinrich, CTO of MTM Power GmbH accepted the award during the ceremonial gala in Vienna. "The award is a special recognition for MTM Power and our employees who deserve our sincerest thanks.", emphasised both.