FOXESS S-Box-4

The fire safety switch FOXESS S-BOX-4 is a switch designed to control the supply of direct current from photovoltaic panels. It ensures safety by disconnecting the direct current circuit in case of interruption in the supply of alternating current. It operates by connecting the DC circuit after the AC power is restored. This device is extremely helpful in case of a power grid failure or intentional disconnection of building power when there is a fire risk. Advantages of the fire safety switch S-BOX-4: Up to 4 strings Up to 25A per string Up to 1500Vdc CE certifications Motor-driven disconnect switch PC+ABS, sturdy IP66-rated plastic housing MC4 connectors Simple and fast installation Built-in DC disconnect with TÜV, CE, CB, SAA, UL certifications Automatic shutdown at 70°C Equipped with a vent valve to prevent condensation inside the housing Technical data FOXESS S-BOX-4: Number of strings - 4 Number of poles - 8 Maximum chain voltage - 1500 V Maximum current per string - 25/25 A Operating voltage range - 100Vac ~ 270Vac Nominal voltage - 230Vac Nominal current - 30mA Switch-on (charging) current - average 100mA Operating current - max 300mA Feedback contact - 24Vdc - 300mA max Operating temperature range - -20°C - +50°C Maximum operating temperature before automatic shutdown - +70°C Ambient temperature range - -40°C - +85°C Protection level - IP66 Protection class - Class II Certifications - CE DC disconnect compliant with - EN 60947-1&3 Number of operations - 10000