Features 【FLEXIBLE】: A professionally manufactured surge protector with an anti-crack buckle design to prevent the buckle from cracking, bringing easy and convenient wiring, easy installation, and ensuring stable operation of the device. 【ACCURACY】: With a visual window, the display window of the voltage lightning protection device is green when it is working normally, red is a fault and needs to be replaced, the protector responds quickly, and the switch status is clear at a glance. 【USE】: Modular plug-in design, easy to pull and plug, the lightning protector can be replaced without power failure, maintenance is simple and convenient, the base can be reused, and the maintenance cost is reduced. 【FUNCTION】: When the power grid is struck by lightning, the surge protection device can realize low-resistance conduction within nanoseconds and limit the voltage to the specified protection level. 【MATERIAL】: The shell is made of PC flame retardant material, the voltage lightning protection device is sturdy and durable, effectively preventing fire hazards, high hardness, strong pressure, and efficient completion of different project requirements. Specification: Item Type: SPD Surge Protective Devices Product Material: PC Product Model: RMU1-C60 Maximum Voltage: AC 420V Nominal Discharge Current: 10kA; 20kA; 30kA Voltage Protection Level: 1.5kV/1.8kV/2.0kV Level: 2P Installation Method: Rail installation Package List:2 x SPD Surge Protective Devices Note:Used for maintenance and installation related to electricity. Make sure that the operator has the qualification for electrician work and take necessary protective measures such as power off and insulation. Package List 2 x SPD Surge Protective Devices