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Home > Cutler Hammer / Westinghouse > Switchgear > Low Voltage Switchgear Information LOW VOLTAGE SWITCHGEAR / 208V – 600V / INDOOR AND OUTDOOR In the 1940’s and early ‘50s, WESTINGHOUSE manufactured its first line of low voltage circuit breakers and associated switchgear. The models produced were the The switchgear associated with these models was produced in stationary and single position drawout configurations. In the mid 1950’s, WESTINGHOUSE followed its original designs with a series of breakers called the DB series. This series was available: - DB15 with amperage ratings to 225 amp [2 physical sizes] The DB line of breakers was available with integral fusing to increase the interrupting ratings to 200,000 amps. When integral fusing was used, the nomenclature became: DBL25, DBL50 The switchgear associated with these models was produced in stationary and single and three position drawout configurations. In the 1970’s, Westinghouse developed the DS series. The above DS breakers were also available with integral 3 phase fuses for increased interrupting capacity to 200,000amp. When the breakers were supplied with integral fuses, the designations were as follows: The switchgear associated with these models was produced in stationary and three position drawout configurations. . Advanced insulation systems for isolation of the line and load bus configurations were developed for this design of switchgear. Once the Westinghouse designs were acquired by Cutler Hammer new lines of low voltage circuit breakers were developed. The DSII Series and the Magnum Series. Many of the design details of the earlier switchgear lines were incorporated in the later CUTLER HAMMER designs. Most of the Low Voltage Circuit Breakers manufactured by the Westinghouse Company have been obsoleted by the successive purchasing companies and are no longer actively supported by the Westinghouse. All of the original Complete Circuit Breakers are available directly from the Satin International and Satin American Corp. Replacement Parts for the majority of all Westinghouse and Eaton Cutler Hammer equipment are in stock and available from Satin International. Along with Renewal Parts, Satin International maintains an extensive library of original Instruction Books, Sales Catalogs, Blue Print Documentation, and Replacement Parts Information for all Circuit Breakers manufactured WESTINGHOUSE and EATON CUTLER HAMMER. In regards to Replacement and Renewal parts for Low Voltage Air Circuit Breakers Satin International Stocks for all generations of equipment:
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