CITEL-DS230S-48DC-PV-Network-Surge-Protector-30kA-Discharge-Current-CITEL-DS230S-48DC-P-CITEL-DS230S-48DC-surge-protectors-are-designed-to-protect-equipment-connected-to-DC-and-photo-voltaic-PV-power-supplies-from-lightning-surges-P-P-They-are-based-on-varistors-matched-to-the-network-voltage-and-have-thermal-disconnection-devices-to-control-any-end-of-life-A-mechanical-indicator-on-the-unit-shows-when-disconnection-has-occurred-and-a-change-over-contact-can-be-used-for-remote-signalli