Projoy Firefighter Safety Switch 4 pole 2 Strings

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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 Specification Details Brand Projoy Electric Function Firefighter Rapid Shutdown / DC Isolation Poles 4 Pole (2 Strings) Rated Voltage 1000 V DC Rated Current 32 A per pole Operation Automatic / Remote Trigger Protection Rating IP66 (Weatherproof) Enclosure Material Flame-Retardant & UV-Resistant Plastic Standards IEC 60947-3 / CE / TÃœV Certified Show more