Type PMI, 121-169 kV, up to 63 kA Power Circuit Breaker

       With a large installed base and proven track record, the PMI breaker offers unequalled performance and reliability.
       The 145PMI breaker principally consists of three cast aluminum single-piece tanks, each containing an interrupter unit, mounted on a galvanized steel support structure. Two bushings with removable current transformers mount atop each tank. A steel control cabinet is attached to the frame, while three spring-hydraulic mechanisms located within the cabinet deliver independent pole operation. 

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Reference : ABB (ABB/High Voltage Products/Circuit Breakers/Dead Tank Circuit Breakers)



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