Features 【Visual Window】: Come with visual window, red and green lights indicate power on and off at a glance. 【Anti Crack Buckle】: Anti crack buckle is designed to prevent buckle from cracking, bring easy and convenient wiring. 【PC Flame Retardant Material】: The shell of the voltage arrester is made of PC flame retardant material, fire prevention, safer to use. 【Removable Components】: Come with stable performance and easy installation. Detachable assembly, easy to plug and unplug. 【Excellent Performance】: SPS surge protective devices come with stable structure, excellent performance and long service life. Feature: 1. Come with visual window, red and green lights indicate power on and off at a glance. 2. Anti crack buckle is designed to prevent buckle from cracking, bring easy and convenient wiring. 3. The shell of the voltage arrester is made of PC flame retardant material, fire prevention, safer to use. 4. Come with stable performance and easy installation. Detachable assembly, easy to plug and unplug. 5. SPS surge protective devices come with stable structure, excellent performance and long service life. 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