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VS1-12 side-mounted vacuum circuit breaker operating mechanism is an operating mechanism with spring seat as energy storage element, with two forms of manual energy storage and electric energy storage, and its performance meets the relevant provisions of GB1984-89 (AC high voltage circuit breaker) JB3855-96 "General Technical Conditions for 10KV Indoor High Voltage Vacuum Circuit Breaker" International Electrotechnical Commission IEC56 standard and the requirements of the technical conditions of this product.
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