NB/T42150-2021低压电涌保护器专用保护装置英文版(6)
2023-05-02 来源:飞速影视
3.1
specific protective devices for low-voltage surge protective devices (SSD)
external detachment device intended for surge protective devices (SPDs) in low-voltage power supply systems, which can withstand the expected surge current at the place where the protected SPD is installed, and can cut off the over-current at power frequency caused by SPD failure and is characterized by actuation with small current at power frequency
3.2
rated operational voltage
![NB/T42150-2021低压电涌保护器专用保护装置英文版](http://fs.qqfile.top/re/aHR0cHM6Ly9waWNzMy5iYWlkdS5jb20vZmVlZC83YTg5OWU1MTBmYjMwZjI0YTUxOGJlNjY2NmRhM2E0YmFjNGIwM2E5LmpwZWdAZl9hdXRvP3Rva2VuPWI5YTgwMmExMDM4MjIwNzIyMzIxOTAyY2U3OTEwNzMz0)
NB/T 42150-2021 低压电涌保护器专用保
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