This 2pole DC surge protector is a compact lowvoltage arrester designed to protect DC power systems from damaging transient overvoltages. It is offered in 2P 500VDC size and in a 2P 1000VDC rating, with surge current capacity ranging from 20 kA to 40 kA, providing robust protection for residential and commercial DC installations. Key benefits Protects equipment and reduces downtime: diverts energy surges away from inverters, charge controllers, battery banks, and sensitive DC electronics. surge capacity: rated 20 kA to 40 kA to handle severe transient events and lightninginduced surges. DCspecific design: optimized for lowvoltage direct current systems to provide reliable arrester performance. Compact 2pole form factor: integrates into twopole DC circuits without taking unnecessary space. Durable construction for long service life: built to withstand repeated surge events while maintaining protection performance. Important attributes Function: Surge protection device for DC circuits, acting as a lowvoltage arrester to limit transient overvoltage and protect connected equipment. Size and configuration: 2P (twopole) design available for 500 VDC and 1000 VDC applications. Performance: Surge current capability of 20 kA to 40 kA. Compatibility: Suitable for DC power systems including photovoltaic arrays, battery storage systems, telecom DC supplies, and other lowvoltage DC installations. Installation: Intended for inline installation in DC distribution circuits. Select the voltage rating that matches the system nominal voltage. Typical applications Residential and commercial solar PV systems: protect the DC string or combiner box between solar panels and inverter or charge controller. Battery energy storage and offgrid systems: safeguard battery banks and DC distribution from transient surges. Telecom and DC power distribution: protect sensitive DC equipment and power runs in remote or edge installations. Notes for use Choose the correct voltage rating for your system, 500 VDC or 1000 VDC, to ensure proper protection. Follow applicable wiring practices and installation guidelines for DC systems. Use qualified installers when required. This DC surge protector provides a practical, capacity solution for protecting lowvoltage DC equipment from transient overvoltage events while maintaining a compact twopole footprint for straightforward integration.