General 1. Special molecule material is full insulators, insulated intensity up to 6KV, and impact u General1. Special molecule material is full insulators, insulated intensity up to 6KV, andimpact up to 10KV. Insulated shell filters fiberglas to increase noumenal intensity.2. Low contact resistant, impact current of short circuit up to 15KA 3. Adopt contact blade with tin-copper plated, and ...