Fire Protection Inverter FoxESS S-BOX-2 (2 strings)

Firefighter S-BOX is a fire protection disconnect switch designed for photovoltaic installations, version for 2 strings. The device provides protection and remote communication using the RS485 interface and automatic shutdown in case of overheating, enhancing the safety of residential and commercial installations.

The manufacturer of the device is FoxEss — a company specializing in safety solutions for photovoltaic installations. The S-BOX is made of PC+ABS plastic, meets standards, and has the necessary CE certificates and compliance with EN 60947-1&3.

Electrical Parameters

• String Voltage (Vdc): 300 ~ 1500
• Current per String (A): 25 / 25
• Number of Strings: 2
• Switch Wiring: 4
• Operating Voltage Range (Vac): 100 ~ 270
• Nominal Voltage (Vac): 230
• Nominal Current (mA): 30
• Inrush Current (mA): average 100, max. 300
• Communication Interface: RS485
• Number of Operations: 10000 (total), >1500 (under PV load 1)

Mechanical and Environmental Parameters

• Housing: PC+ABS (plastic)
• Protection Class: IP66
• Protection Type: Class II
• Automatic Shutdown at: +70 °C
• Operating Temperature Range: -20 ~ +50 °C
• Ambient Temperature Range (e.g. storage): -40 ~ +85 °C
• Additional Equipment: internal condensate drain valve