E-Star - Model HERF Series - Module Level Rapid Shutdown System

HERF series module level rapid shutdown has automatic power-off and reclosing functions. On the basis of meeting the fast shutdown function requirements of nec217 & nec2020 690.12, it can ensure the power generation of photovoltaic power generation system to the greatest extent and improve the power generation rate. When the mains power is cut off or the emergency stop is started, the HERF series module level rapid shutdown will automatically disconnect the photovoltaic DC power, so that the circuit of the photovoltaic power generation system beyond 1 foot (i.e. 305mm) from the photovoltaic array will fall below 30V in 10 seconds, and the circuit within 1 foot (i.e. 305mm) from the photovoltaic module array must fall below 80V in 30 seconds after the quick shutdown start; When the mains power is restored to normal or the emergency stop is restored, the HERF series module level rapid shutdown will automatically reclose to restore the power generation of the photovoltaic system.