MAXGE SGS1-DC Series surge protective device is a professional DC SPD for photovoltaic power system safety, designed and manufactured in strict accordance with EN 50539-11 standard. It provides reliable protection for DC power supply systems and on-load electrical equipment against lightning surges and instantaneous overvoltage, widely used in PV power stations, commercial PV systems, industrial DC power distribution and other scenarios.
SGS1-DC Series surge protective device is mainly used in DC photovoltaic power systems, effectively clamping transient overvoltage and discharging surge current to the grounding system, so as to avoid damage to electrical equipment and lines caused by lightning induction or switching surges. It adopts mature core components, with nominal discharge current In 20kA and maximum discharge current Imax up to 40kA, response time as fast as <25ns, and protection level Up ≤2.5kV/≤3.5kV/≤5.5kV for 500V/1000V/1500V PV systems, to achieve high-efficiency surge suppression.
The surge protective device shall be inspected regularly during operation. Pay attention to the color of the status window: green means normal, and red means failure and needs to be replaced immediately. When installing or replacing, please disconnect the DC power first and select the suitable model according to system voltage, PV voltage level and cable specification to ensure best protection and stable running.
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