FoxESS S-BOX Firefighter Safty Switch 2MPPT

• The FOXESS S-BOX-2 is a switch designed to switch on and off the DC voltage that comes from photovoltaic panels.
• The product guarantees safety by disconnecting the DC circuit during a power cut on the AC side.
• The switch operates on the principle of switching on the DC circuit when AC power is restored.
• This device is extremely useful during a power grid failure or in the event of a deliberate power cut to a building when there is a risk of fire.

Features of the S-BOX fire protection switch:

• maintenance-free
• no resetting required
• product has a positive opinion from Fire Experts and fulfils the provisions arising from the amendment of the Building Act
• large current carrying capacity of up to 40 A at 1000V
• support for 2 strings (chains)
• equipped with a set of MC4 connectors built into the device and those, to be made on the ends of the DC cables
• fast and trouble-free installation

Technical parameters:

• Number of strings - 2
• Number of poles - 4
• String voltage - 300-1500V
• Current per string - 16-50A
• Nominal voltage - 100Vac - 270Vac
• Operating voltage range -. 230Vac
• Nominal current - 30mA
• Inrush (charging) current - average 100mA
• Trip current - 300mA max
• Return contact - 24Vdc - 300mA max
• Operating temperature range -. -20°C - +50°C
• Maximum operating temperature before automatic shutdown - +70°C
• Air temperature range -40°C - +85°C
• Protection level - IP66
• Protection Class - Class II
• Certifications - CE
• Compliant DC disconnector - EN 60947-1&3
• Number of operations - 10000
• Number of operations under load (PV1) - >1500