ARC-EXTINGUISHING INSULATION MATERIAL MOLDED PRODUCT AND GAS CIRCUIT BREAKER INCLUDING THE SAME

摘要

The present invention is an arc-extinguishing insulating material molding disposed in the vicinity of a point of contact of a contactor in a gas circuit breaker. The arc-extinguishing insulating material molding is characterized by including a polymer having a carbon-oxygen bond in the main chain and in which a portion or all of the terminal atoms are an atom other than a hydrogen atom.