PROJOY Electric manufactures high-quality safety and protection components, including rapid shutdown devices and fire switches for photovoltaic systems.
PROJOY Electric is a professional manufacturer specializing in safety and protection equipment for photovoltaic (PV) and energy storage systems. Headquartered in Suzhou, China, the company's product line includes DC isolation switches, miniature circuit breakers, rapid shutdown (RSD) systems, and fire safety switches. PROJOY's solutions meet rigorous international safety standards and are essential for ensuring the safe operation and maintenance of solar panel installations worldwide.
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The PROJOY PEFS Firefighter Safety Switch rapidly disconnects direct current (DC) from photovoltaic solar panels during emergencies or fires to protect first responders and building owners from high voltages.
Test the unit by interrupting the AC power supply. After isolating AC power, the switch should shut off in about 7 seconds and the red LED will turn off. Once you restore AC power, it should turn back on in 8 seconds.
You can find installation guides and user manuals for PROJOY RSD units, DC isolation switches, and other power electronics on this page or by visiting the official PROJOY websito.
PROJOY generally provides a 60-month warranty covering manufacturing defects, assuming correct usage and no unauthorized modifications to the unit.