EATON SOL30X6-SAFETY-MC4-U Firefighter Switch for 6 Strings 30A 1000V DC with MC4 Connectors

In photovoltaic installations, rapid and reliable DC disconnection is critical for firefighter safety and emergency response. The EATON SOL30X6-SAFETY-MC4-U addresses this need by providing a remote-triggered load break switch for up to six DC strings, ensuring that solar arrays can be de-energized quickly from a safe location. This firefighter switch combines robust construction with MC4 connectors for seamless integration, making it an essential component for residential and commercial PV systems where safety compliance is paramount.

Who is it for

This switch is intended for solar installers, electrical contractors, and PV system owners who require a dependable emergency disconnect solution. It is particularly suited for rooftop solar arrays on residential, commercial, or industrial buildings, where firefighters need to isolate DC power before entering the premises. The device is also ideal for system integrators looking to meet rapid shutdown requirements and enhance overall system safety.

Main features

• Remote trip capability via 230 V AC control voltage, enabling disconnection from a central emergency stop or fire alarm system.
• Handles up to 6 DC strings with a rated current of 30 A per string, supporting high-capacity PV arrays.
• Rated for 1000 V DC, suitable for modern high-voltage solar installations.
• Integrated MC4 connectors on both input and output sides for quick, tool-free wiring.
• IP65-rated UV-resistant polycarbonate enclosure for durable outdoor mounting.
• 12-pole load break switch design ensures complete isolation of all conductors.

Specifications

• Number of DC strings: 6
• Rated current per string: 30 A
• Rated DC voltage: 1000 V DC
• Control voltage: 230 V AC, 50 Hz
• Connectors: MC4 (input and output)
• Enclosure protection: IP65
• Mounting type: Wall mounting
• Operating temperature range: -25°C to +50°C
• Number of poles: 12
• Switching principle: Load break switch
• Housing material: UV-resistant polycarbonate
• Standards: IEC/EN 60947-3

Tips

For optimal safety, connect the remote trip input to a dedicated emergency stop circuit or fire alarm relay. Ensure all MC4 connectors are properly seated and locked to prevent accidental disconnection. Mount the switch in an easily accessible location for firefighters, clearly marked as the PV system disconnect.