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The Siemens 3VA9978-0AA12 is a 2-slot type HQ compact size auxiliary switch, designed for use with Siemens 3VA4, 3VA5, and 3VA6 molded case circuit breakers. This unit operates at a voltage of 300 VAC and has a current rating of 3 amperes.
This auxiliary switch provides essential functionalities in power distribution setups, ensuring effective circuit management and operation in electrical systems.
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