Features Application: protect electrical system and electrical equipment under load from thunder and instant surges. Fireproof shell, flame retardant, safe to use. Removable assembly, easy to plug and unplug DIN rail installation, simple operation. Adopts copper accessory for better conductivity performance. Specification: Condition: 100% Brand New Item Type: Protector Material: Plastic Rated voltage: 220V Model: 4P 40kA Uc:~420V Application: Installation of electrical equipment for the protection of electrical systems and surges from thunder and transients Number of Poles: 4 UP: UP <2.0KV Package List: 1 x Home Surge Protector Note: This product only applies to AC 420V 40KA Please note that the new type and old type of this product will be sent randomly and make sure you do not mind before ordering. Package List