The HS4-A-F PV Shutdown from HIITIO is a cutting-edge rapid shutdown device designed to enhance fire safety in photovoltaic (PV) installations. Compliant with NEC 2020 690.12 standards and CE certified, it enables safe emergency shutdowns, allowing firefighters to extinguish fires without life-threatening risks from energized PV arrays. By de-energizing modules quickly, it protects both personnel and property—ensuring your home remains safe even after the flames are out.
| Product Parameter | |
| Product Model | HS4-A-F |
| Length of Cable | Input Wire 100 cm*2Pcs Output Wire 70 cm* 2Pcs |
| RSS system voltage | 1000V/1500V (Optional) |
| Maximum input voltage | 80V(lo=0) |
| Maximum input current | 20A |
| Maximum input power | 750W |
| Start-up voltage | 12V |
| Rated current | 16A |
| Rated power | 600W |
| Mode of communication | PLC |
| Degree of protection | IP68 |
| Storage and operating temperature | -40℃~85℃ |
| Connector | MC4 or compatible MC4 |
HIITIO® was established in 2018 as a result of Hecheng Electric introducing a mature R&D team. HIITIO specializes in producing high-voltage DC electrical devices for EV, solar energy systems, and energy storage applications.
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