A disconnector assembly is provided for an arrester. In the clamping band, an overriding guide is formed between the engaging claw and a second tool-catching claw of the inner band part. The first resonating arm is connecting to one side of the base. The extracted metric is compared against at least one previously established value to generate either a TRUE or a FALSE result. A second structure, replaces the charge dissipation guard ring with additional charge dissipation pedestal elements.