Projoy Firefighter Safety Switch 4 pole 2 Strings

The Projoy 4-Pole Firefighter Safety Switch provides fast and reliable DC isolation for solar PV systems during fire or emergency situations. Designed for two-string PV arrays, it instantly disconnects the DC power supply when AC power is lost or when triggered by the building’s emergency shutdown system.

Built with arc-suppression chambers, flame-retardant housing, and UV-resistant materials, this unit ensures maximum operator safety and long-term reliability in both residential and commercial installations.

Compliant with IEC 60947-3 and CE standards, the Projoy Firefighter Switch meets all Irish and EU fire-safety requirements, helping protect both property and emergency personnel.

✅ Key Features:

• 4 Poles – Supports up to 2 PV strings
• Rapid DC isolation on loss of AC power or emergency trigger
• Rated Voltage: up to 1000 V DC
• Rated Current: 32 A per pole
• Automatic / remote shutdown compatible with inverter signal or fire alarm
• IP66 weatherproof & UV-resistant enclosure
• Flame-retardant, arc-suppressed internal design
• Certified to IEC 60947-3 / CE / TÜV standards
• Ideal for rooftop, domestic, and small commercial PV systems