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Bar and traction dc contactors

Supplier News
article image NHP’s Microelettrica dc contactor

NHP Electrical Engineering has released the Microelettrica range of dc contactors. The range is available in two types, bar and traction.

Bar contactors have been available since the early 1950s. They are popular in many dc applications including lifting magnets, lifts, electro-plating, mining applications, steel mills, and other applications in harsh conditions.

NHP can design the N series bar type contactors to suit user requirements. They can be built with normally open or normally closed main poles or a combination of both, up to 4 poles. A range of accessories are available for all contactors, including mechanical latches, mechanical interlocks, front connection busbars, mounting plates, and a selection of auxiliary contacts.

NHP supplies ac and dc control systems in standard voltages. Non-standard voltages can also be supplied at short notice. The maximum switching voltage is 1000Vdc and the contactors range from 125A to 3000A.

The traction contactors LT series are specially built for train and tram applications. They are also suitable for other dc applications where high voltages have to be controlled. They can switch up to 4000Vdc and start from 60A through to 1250A.

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