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Powerful and compact brake resistor20160518-Koch BWx225xxx-k

The new line of BWx225xxx brake resistors launched by Michael Koch GmbH guarantees users a continuous power of 90 watts. Given its range of discrete resistance values of 10 to 300 Ohm this product covers all the common ranges. The compact cuboid measures 198 x 28 x 21 millimeters and weighs no more than 235 grams. Therefore, it is the perfect solution with protection class IP65, especially for secure integration into frequency converters or servo controllers. The elongated square shape of the casing makes it absolutely perfect, especially for use in narrow spaces.

Just like the previous models of the same manufacturer’s high-performance series, the BWx225xxx is also a safe resistor for up to 1,000 volts. Even in conditions of lasting overload you will not have to fear that your unit may be damaged as a result. This is as long as the maximum surface temperature is not exceeded. Fear neither short-circuiting, nor faults to the frame. The aluminum casing remains stable and this resistor is not a fire hazard. With this unit having been designed for use first and foremost as a brake resistor or ballast resistor, the details matter. This includes protecting the wire wraps against mechanic overload as much as high-quality braids with Teflon insulation and hence insulation resistant to high temperatures. Alternatively, this new resistor may also be assembled with connectors allowing for direct connection to the converter unit.

The service that comes with this product extends far beyond the product itself. Highly responsive support through competent application engineering as well as short delivery times and supplier reliability are guaranteed with this new series. Application-specific adjustments are offered.

Demand for particularly small pulse-resistant resistors is growing. Michael Koch GmbH has planned for this by developing and launching particularly safe resistors of the IP65 protection class and high pulse power for the market of electric driving technology. With its typically solid products, this company not only offers the successful BWx250 (100 watts continuous power), BWx500 (200 watts continuous power), and BWx600/1000 (240/400 watts continuous power) series, but also specialty products such as voltage-proof PTC-based resistors.

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