Features 1、With Visible Window: The surge protective device has a visual window with red and green indicator lights, easy to see power on and off. 2、Modular Design: The protector is modular design, 3P DIN rail installation method, with simple operation and maintenance. 3、Durable Shell: The shell is made of excellent PC material, with good flame retardant performance and safer operation. 4、Simple Wiring: Adopt cracking proof buckle design, easy and convenient wiring, with good stability and reliability. 5、Arrester Protection: The voltage protection level is 2.0kV, which is very suitable for home or outdoor arrester protection. Specification Item Type: Surge Protective Device Product Material: PC Product Model: RMU1-C40 Maximum Voltage: AC 420V Voltage Protection Level: 1.8kV Level: 3P Mounting Method: Din rail mounting Maximum Discharge Current 20kA 40kA 60kA Nominal Discharge Current 10kA 20kA 30kA Package List 2 x Surge Protector