FoxESS S-BOX PLUS DC Fire Safety Switch (4 MPPT, 1500 V, MC4)

The FoxESS S-BOX PLUS DC fire safety switch supports up to 4 MPPT strings at a system voltage of 1500 V. The device is equipped with a motor drive, MC4 connectors, and an automatic shutdown mechanism triggered when the temperature exceeds 70°C.

The FoxESS S-BOX PLUS DC safety switch is a fire protection component designed for photovoltaic installations. The device supports up to 4 independent MPPT circuits and operates with a system voltage of 1500 V DC. A built-in motor drive is responsible for interrupting the circuit under specific conditions. The IP66 enclosure rating protects internal components from dirt and water.

Key features

• Automatic shutdown mechanism activated at 70°C
• Ability to safely handle DC voltage up to 1500 V DC
• Direct wiring connection using MC4 connectors
• Capability to protect 4 MPPT inputs of a photovoltaic installation

Technical data

Brand	FoxESS
Model	S-BOX PLUS
Protection type	DC (fire safety)
Number of MPPTs	4
Maximum voltage	1500 V DC
Connector type	MC4
Protection degree	IP66
Thermal trip	70°C
Net thickness	78 mm