Feature: 1. Photovoltaic surge protector possess visual window, window instructions are clear at a glance 2. Adopt plug‑in module design, possess convenient and quick module replacement, easy to use 3. Surge protective device adopt super thick chip, which can truly protect the safety of electrical appliances 4. The product adopt rail installation, very stable. Discharge current is 20kA, very practical 5. This photovoltaic surge protector is equipped with 1 scribing and 1 interface, easy for you to install Specification: Item Type: Surge Protective Device Model: LT1-20 Product Voltage: DC1000V Product Level: 2p Installation Method: Rail installation Discharge Current: 20kA. Package List: 1 x Surge Protective Device1 x Scribing1 x Interface Note: 1. It is strictly forbidden to operate the circuit breaker with wet hands.2. During use, it is strictly forbidden to touch the conductive parts.3. During maintenance, you must ensure that the product is not charged.4. It is strictly forbidden to use short circuit methods to test products.