How long can the polymer self-healing fuse not be damaged?

Date：2021-09-28 Viewed：4493

Question: How long can the polymer self-healing fuse not be damaged?

Answer: According to the safety regulations, the polymer self-recovery fuse must be kept at the highest voltage for 1000 hours at normal temperature and pressure without losing its PTC characteristics. The longer the polymer self-healing fuse is in operation, the harder it is to restore its resistance value, which may not meet the initial setting requirements. The residence time of each polymer self-recovery fuse varies with different fault events and types, and its service condition is one of the important factors to be considered.
聚合物自恢复保险丝多久才能不损坏？

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How long can the polymer self-healing fuse not be damaged?

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