n.捕拿者；止動器；避雷裝置
=arrestor.
In fact, the loading on a typical installation can be many times higher than the discharge capacity of a typical varistor type arrester. 事實上，在一個典型防雷裝置上的負荷，比一個典型的壓敏電阻型保護器的泄放能力，有可能高出許多倍。
避雷器
