Feature 1 Equipped with a super thick chip, this voltage surge arrester will offer you allround protection in DC surge. 2 Also, the discharging current is 20kA, and the fast discharging guarantees the safer use and better protectin. 3 Through the visual window, it's much easier and clearer to read the window instructions at a glance. 4 This voltage surge protector with remote signal enables more efficient operation for better protection. 5 Plugin module design allows for more convenient and quicker replacement of the module.Item Type: Voltage Surge ArresterModel: LT1-20Product Voltage: DC1000VProduct Level: 3pInstallation Method: Rail InstallationDischarge Current: 20kA Package List1 x Voltage Surge Arrester2 x Scribing1 x PortNote1. It is strictly forbidden to operate the circuit breaker with wet hands;2. It is strictly forbidden to touch the conductive parts while using;3. In maintenance and maintenance, you must ensure that the product is not charged;4. It is strictly forbidden to use short circuit methods to test products.