THERE ARE MANY APPLICATIONS for a simple, reliable 115-kv circuit breaker having moderate interrupting capacity. Such applications include radial circuits, loop circuits, capacitor switching, and other related circuits. Designed to meet these requirements, the type 1150-SF-1000 circuit breaker utilizes the unique arc-interrupting and insulating characteristics of sulfur hexafluoride (SF6) gas.
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Cromer et al. (1956) studied this question.