... arresterOver-voltage arrester is a limiter, is the protection of power transmission equipment (transformers, switches, capacitors, filter resistance, transformer ... MOA 1: Low use; 2: 3 KV ~ 220KV power distribution and power plant use; 3: Transformer with neutral point; 4 motor ... -voltage communication systems; 2: 3 KV ~ 220KV AC power distribution and power plant system with; 3: 3 KV ~ 35KV systems ...