Feature:1. 2P Rail Installation: The voltage arrester device adopts 2P rail installation, the installation is very simple2. PC Flame Retardant Material: The shell of the voltage arrester is made of PC flame retardant material, safer to use with premium and excellent performance3. Visual Window: Come with visual window, traffic lights indicate power on and off at a glance4. 40kA Maximum Discharge Current: Maximum discharge current for 40kA, nominal discharge current is 20kA, and voltage protection level is 3.5kV5. Excellent Performance: SPD protective devices come with stable structure, excellent performance and long service lifeSpecification:Item Type: SPD Protective DevicesProduct Material: PCProduct Model: FXD1-PV40Maximum Discharge Current: 40kANominal Discharge Current: 20kAVoltage Protection Level: 3.5kVLevel: 2PInstallation Method: Rail installation.Package List:2 x Protective DevicesNote: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.