FOX-S-BOX DC Disconnect Switch for Photovoltaic Systems for 2 MPPT / FoxESS / 1500DC / Box 2 MPPT / MC4 Connectors / IP66 / Motor Drive / Automatic Shutdown at 70C

S-BOX is a fireproof DC disconnect switch designed for photovoltaic systems, intended to protect and disconnect PV strings in residential and commercial installations. The device offers an IP66 protection class, a PC+ABS plastic housing, and an automatic shutdown function when the temperature reaches 70°C. The model supports 2-string configurations with dedicated connectors and the possibility of installation using MC4 connectors.

Manufacturer Information

The manufacturer of the device is FoxESS (catalogue designation: FOX-S-BOX). FoxESS provides solutions for photovoltaic installations, and the datasheet provides the full product designation and basic technical data as well as compliance certificates (including CE, EN 60947-1&3).

Electrical and Technical Parameters

• String Voltage (Vdc): 300 ~ 1500 Vdc
• Current per String: 25 A (rated: 25/25)
• Number of Strings: 2
• Switch Wiring (inputs): 4
• Operating Voltage Range (Vac): 100 ~ 270 Vac
• Rated Voltage (Vac): 230 Vac
• Rated Current (control, mA): 30 mA
• Inrush Current (charging, mA): average 100 mA
• Tripping Current (mA): max. 300 mA
• Communication: RS485
• Maximum Number of Operations: 10000 (overall), >1500 operations under load (PV1)

Mechanical and Environmental Parameters

• Housing: PC+ABS, plastic
• Protection Class: IP66
• Protection Class: Class II
• Automatic Shutdown at Temperature: +70 °C
• Operating Temperature Range: -20 ~ +50 °C
• Ambient Temperature Range (storage): -40 ~ +85 °C
• Additional Equipment: condensate drain valve inside the housing
• Certificates and Compliance: CE; DC disconnect switch compliant with standards/TÜV, CE, CB, SAA, UL; standard EN 60947-1 & -3
• Permissible Load (icon): up to 50 A